diff --git a/lib/libc/net/inet.3 b/lib/libc/net/inet.3
index a36cb313f7d3..cb44394d0a0c 100644
--- a/lib/libc/net/inet.3
+++ b/lib/libc/net/inet.3
@@ -1,305 +1,301 @@
 .\" Copyright (c) 1983, 1990, 1991, 1993
 .\"	The Regents of the University of California.  All rights reserved.
 .\"
 .\" Redistribution and use in source and binary forms, with or without
 .\" modification, are permitted provided that the following conditions
 .\" are met:
 .\" 1. Redistributions of source code must retain the above copyright
 .\"    notice, this list of conditions and the following disclaimer.
 .\" 2. Redistributions in binary form must reproduce the above copyright
 .\"    notice, this list of conditions and the following disclaimer in the
 .\"    documentation and/or other materials provided with the distribution.
 .\" 3. Neither the name of the University nor the names of its contributors
 .\"    may be used to endorse or promote products derived from this software
 .\"    without specific prior written permission.
 .\"
 .\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 .\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 .\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 .\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 .\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 .\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 .\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 .\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
 .\"     From: @(#)inet.3	8.1 (Berkeley) 6/4/93
 .\" $FreeBSD$
 .\"
-.Dd June 14, 2007
+.Dd November 9, 2021
 .Dt INET 3
 .Os
 .Sh NAME
 .Nm inet_aton ,
 .Nm inet_addr ,
 .Nm inet_network ,
 .Nm inet_ntoa ,
 .Nm inet_ntoa_r ,
 .Nm inet_ntop ,
 .Nm inet_pton ,
 .Nm inet_makeaddr ,
 .Nm inet_lnaof ,
 .Nm inet_netof
 .Nd Internet address manipulation routines
 .Sh LIBRARY
 .Lb libc
 .Sh SYNOPSIS
 .In sys/types.h
 .In sys/socket.h
 .In netinet/in.h
 .In arpa/inet.h
 .Ft int
 .Fn inet_aton "const char *cp" "struct in_addr *pin"
 .Ft in_addr_t
 .Fn inet_addr "const char *cp"
 .Ft in_addr_t
 .Fn inet_network "const char *cp"
 .Ft char *
 .Fn inet_ntoa "struct in_addr in"
 .Ft char *
 .Fo inet_ntoa_r
 .Fa "struct in_addr in"
 .Fa "char *buf"
 .Fa "socklen_t size"
 .Fc
 .Ft const char *
 .Fo inet_ntop
 .Fa "int af"
 .Fa "const void * restrict src"
 .Fa "char * restrict dst"
 .Fa "socklen_t size"
 .Fc
 .Ft int
 .Fn inet_pton "int af" "const char * restrict src" "void * restrict dst"
 .Ft struct in_addr
 .Fn inet_makeaddr "in_addr_t net" "in_addr_t lna"
 .Ft in_addr_t
 .Fn inet_lnaof "struct in_addr in"
 .Ft in_addr_t
 .Fn inet_netof "struct in_addr in"
 .Sh DESCRIPTION
 The routines
 .Fn inet_aton ,
 .Fn inet_addr
 and
 .Fn inet_network
 interpret character strings representing
 numbers expressed in the Internet standard
 .Ql .\&
 notation.
 .Pp
 The
 .Fn inet_pton
 function converts a presentation format address (that is, printable form
 as held in a character string) to network format (usually a
 .Ft struct in_addr
 or some other internal binary representation, in network byte order).
 It returns 1 if the address was valid for the specified address family, or
 0 if the address was not parseable in the specified address family, or -1
 if some system error occurred (in which case
 .Va errno
 will have been set).
 This function is presently valid for
 .Dv AF_INET
 and
 .Dv AF_INET6 .
 .Pp
 The
 .Fn inet_aton
 routine interprets the specified character string as an Internet address,
 placing the address into the structure provided.
 It returns 1 if the string was successfully interpreted,
 or 0 if the string is invalid.
 The
 .Fn inet_addr
 and
 .Fn inet_network
 functions return numbers suitable for use
 as Internet addresses and Internet network
 numbers, respectively.
 .Pp
 The function
 .Fn inet_ntop
 converts an address
 .Fa *src
 from network format
 (usually a
 .Ft struct in_addr
 or some other binary form, in network byte order) to presentation format
 (suitable for external display purposes).
 The
 .Fa size
 argument specifies the size, in bytes, of the buffer
 .Fa *dst .
 .Dv INET_ADDRSTRLEN
 and
 .Dv INET6_ADDRSTRLEN
 define the maximum size required to convert an address of the respective
 type.
 It returns NULL if a system error occurs (in which case,
 .Va errno
 will have been set), or it returns a pointer to the destination string.
 This function is presently valid for
 .Dv AF_INET
 and
 .Dv AF_INET6 .
 .Pp
 The routine
 .Fn inet_ntoa
 takes an Internet address and returns an
 .Tn ASCII
 string representing the address in
 .Ql .\&
 notation.
 The routine
 .Fn inet_ntoa_r
 is the reentrant version of
 .Fn inet_ntoa .
-The routine
+The deprecated routine
 .Fn inet_makeaddr
 takes an Internet network number and a local
-network address and constructs an Internet address
+host address on that network, and constructs an Internet address
 from it.
-The routines
+It should only be assumed to work for historical class A/B/C networks.
+The deprecated routines
 .Fn inet_netof
 and
 .Fn inet_lnaof
 break apart Internet host addresses, returning
-the network number and local network address part,
-respectively.
+the network number and local host address part,
+respectively,
+assuming the historical class A/B/C network masks.
 .Pp
 All Internet addresses are returned in network
 order (bytes ordered from left to right).
 All network numbers and local address parts are
 returned as machine byte order integer values.
 .Sh INTERNET ADDRESSES
 Values specified using the
 .Ql .\&
 notation take one
 of the following forms:
 .Bd -literal -offset indent
 a.b.c.d
 a.b.c
 a.b
 a
 .Ed
 .Pp
 When four parts are specified, each is interpreted
 as a byte of data and assigned, from left to right,
 to the four bytes of an Internet address.
 Note
 that when an Internet address is viewed as a 32-bit
 integer quantity on the
 .Tn VAX
 the bytes referred to
 above appear as
 .Dq Li d.c.b.a .
 That is,
 .Tn VAX
 bytes are
 ordered from right to left.
 .Pp
 When a three part address is specified, the last
 part is interpreted as a 16-bit quantity and placed
-in the right-most two bytes of the network address.
-This makes the three part address format convenient
-for specifying Class B network addresses as
-.Dq Li 128.net.host .
+in the least significant two bytes of the network address.
 .Pp
 When a two part address is supplied, the last part
 is interpreted as a 24-bit quantity and placed in
-the right most three bytes of the network address.
-This makes the two part address format convenient
-for specifying Class A network addresses as
-.Dq Li net.host .
+the least significant three bytes of the network address.
 .Pp
 When only one part is given, the value is stored
 directly in the network address without any byte
 rearrangement.
 .Pp
 All numbers supplied as
 .Dq parts
 in a
 .Ql .\&
 notation
 may be decimal, octal, or hexadecimal, as specified
 in the C language (i.e., a leading 0x or 0X implies
 hexadecimal; otherwise, a leading 0 implies octal;
 otherwise, the number is interpreted as decimal).
 .Sh DIAGNOSTICS
 The constant
 .Dv INADDR_NONE
 is returned by
 .Fn inet_addr
 and
 .Fn inet_network
 for malformed requests.
 .Sh ERRORS
 The
 .Fn inet_ntop
 call fails if:
 .Bl -tag -width Er
 .It Bq Er ENOSPC
 .Fa size
 was not large enough to store the presentation form of the address.
 .It Bq Er EAFNOSUPPORT
 .Fa *src
 was not an
 .Dv AF_INET
 or
 .Dv AF_INET6
 family address.
 .El
 .Sh SEE ALSO
 .Xr byteorder 3 ,
 .Xr getaddrinfo 3 ,
 .Xr gethostbyname 3 ,
 .Xr getnameinfo 3 ,
 .Xr getnetent 3 ,
 .Xr inet_net 3 ,
 .Xr hosts 5 ,
 .Xr networks 5
 .Rs
 .%R RFC
 .%N 2373
 .%D July 1998
 .%T "IP Version 6 Addressing Architecture"
 .Re
 .Sh STANDARDS
 The
 .Fn inet_ntop
 and
 .Fn inet_pton
 functions conform to
 .St -xns5.2 .
 Note that
 .Fn inet_pton
 does not accept 1-, 2-, or 3-part dotted addresses; all four parts
 must be specified and are interpreted only as decimal values.
 This is a narrower input set than that accepted by
 .Fn inet_aton .
 .Sh HISTORY
 These
 functions appeared in
 .Bx 4.2 .
 .Sh BUGS
 The value
 .Dv INADDR_NONE
 (0xffffffff) is a valid broadcast address, but
 .Fn inet_addr
 cannot return that value without indicating failure.
 The newer
 .Fn inet_aton
 function does not share this problem.
 The problem of host byte ordering versus network byte ordering is
 confusing.
 The string returned by
 .Fn inet_ntoa
 resides in a static memory area.
 .Pp
 The
 .Fn inet_addr
 function should return a
 .Fa struct in_addr .
diff --git a/lib/libc/net/inet_net.3 b/lib/libc/net/inet_net.3
index f0721729ff05..4028984bd09b 100644
--- a/lib/libc/net/inet_net.3
+++ b/lib/libc/net/inet_net.3
@@ -1,161 +1,155 @@
 .\"	$NetBSD: inet_net.3,v 1.4 1999/03/22 19:44:52 garbled Exp $
 .\"
 .\" Copyright (c) 1997 The NetBSD Foundation, Inc.
 .\" All rights reserved.
 .\"
 .\" This code is derived from software contributed to The NetBSD Foundation
 .\" by Luke Mewburn.
 .\"
 .\" Redistribution and use in source and binary forms, with or without
 .\" modification, are permitted provided that the following conditions
 .\" are met:
 .\" 1. Redistributions of source code must retain the above copyright
 .\"    notice, this list of conditions and the following disclaimer.
 .\" 2. Redistributions in binary form must reproduce the above copyright
 .\"    notice, this list of conditions and the following disclaimer in the
 .\"    documentation and/or other materials provided with the distribution.
 .\" 3. Neither the name of The NetBSD Foundation nor the names of its
 .\"    contributors may be used to endorse or promote products derived
 .\"    from this software without specific prior written permission.
 .\"
 .\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 .\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 .\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 .\" PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
 .\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 .\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 .\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 .\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 .\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 .\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 .\" POSSIBILITY OF SUCH DAMAGE.
 .\"
 .\" $FreeBSD$
 .\"
-.Dd August 18, 2016
+.Dd November 9, 2021
 .Dt INET_NET 3
 .Os
 .Sh NAME
 .Nm inet_net_ntop ,
 .Nm inet_net_pton
 .Nd Internet network number manipulation routines
 .Sh LIBRARY
 .Lb libc
 .Sh SYNOPSIS
 .In sys/socket.h
 .In netinet/in.h
 .In arpa/inet.h
 .Ft char *
 .Fn inet_net_ntop "int af" "const void *src" "int bits" "char *dst" "size_t size"
 .Ft int
 .Fn inet_net_pton "int af" "const char *src" "void *dst" "size_t size"
 .Sh DESCRIPTION
 The
 .Fn inet_net_ntop
 function converts an Internet network number from network format (usually a
 .Vt "struct in_addr"
 or some other binary form, in network byte order) to CIDR presentation format
 (suitable for external display purposes).
 The
 .Fa bits
 argument
 is the number of bits in
 .Fa src
 that are the network number.
 It returns
 .Dv NULL
 if a system error occurs (in which case,
 .Va errno
 will have been set), or it returns a pointer to the destination string.
 .Pp
 The
 .Fn inet_net_pton
 function converts a presentation format Internet network number (that is,
 printable form as held in a character string) to network format (usually a
 .Vt "struct in_addr"
 or some other internal binary representation, in network byte order).
 It returns the number of bits (either computed based on the class, or
 specified with /CIDR), or \-1 if a failure occurred
 (in which case
 .Va errno
 will have been set.
 It will be set to
 .Er ENOENT
 if the Internet network number was not valid).
 .Pp
 The currently supported values for
 .Fa af
 are
 .Dv AF_INET
 and
 .Dv AF_INET6 .
 The
 .Fa size
 argument
 is the size of the result buffer
 .Fa dst .
 .Sh NETWORK NUMBERS (IP VERSION 4)
 Internet network numbers may be specified in one of the following forms:
 .Bd -literal -offset indent
 a.b.c.d/bits
 a.b.c.d
 a.b.c
 a.b
 a
 .Ed
 .Pp
 When four parts are specified, each is interpreted
 as a byte of data and assigned, from left to right,
 to the four bytes of an Internet network number.
 Note
 that when an Internet network number is viewed as a 32-bit
 integer quantity on a system that uses little-endian
 byte order (such as the
 .Tn Intel 386 , 486 ,
 and
 .Tn Pentium
 processors) the bytes referred to above appear as
 .Dq Li d.c.b.a .
 That is, little-endian bytes are ordered from right to left.
 .Pp
 When a three part number is specified, the last
 part is interpreted as a 16-bit quantity and placed
-in the rightmost two bytes of the Internet network number.
-This makes the three part number format convenient
-for specifying Class B network numbers as
-.Dq Li 128.net.host .
+in the least significant two bytes of the Internet network number.
 .Pp
 When a two part number is supplied, the last part
 is interpreted as a 24-bit quantity and placed in
-the rightmost three bytes of the Internet network number.
-This makes the two part number format convenient
-for specifying Class A network numbers as
-.Dq Li net.host .
+the least significant three bytes of the Internet network number.
 .Pp
 When only one part is given, the value is stored
 directly in the Internet network number without any byte
 rearrangement.
 .Pp
 All numbers supplied as
 .Dq parts
 in a
 .Ql \&.
 notation
 may be decimal, octal, or hexadecimal, as specified
 in the C language (i.e., a leading 0x or 0X implies
 hexadecimal; otherwise, a leading 0 implies octal;
 otherwise, the number is interpreted as decimal).
 .\"
 .\" .Sh NETWORK NUMBERS (IP VERSION 6)
 .\" XXX - document this!
 .\"
 .Sh SEE ALSO
 .Xr byteorder 3 ,
 .Xr inet 3 ,
 .Xr networks 5
 .Sh HISTORY
 The
 .Fn inet_net_ntop
 and
 .Fn inet_net_pton
 functions appeared in BIND 4.9.4.
diff --git a/share/man/man5/resolver.5 b/share/man/man5/resolver.5
index cc439f123442..21e1f8f99131 100644
--- a/share/man/man5/resolver.5
+++ b/share/man/man5/resolver.5
@@ -1,234 +1,235 @@
 .\" Copyright (c) 1986, 1991, 1993
 .\"	The Regents of the University of California.  All rights reserved.
 .\"
 .\" Redistribution and use in source and binary forms, with or without
 .\" modification, are permitted provided that the following conditions
 .\" are met:
 .\" 1. Redistributions of source code must retain the above copyright
 .\"    notice, this list of conditions and the following disclaimer.
 .\" 2. Redistributions in binary form must reproduce the above copyright
 .\"    notice, this list of conditions and the following disclaimer in the
 .\"    documentation and/or other materials provided with the distribution.
 .\" 3. Neither the name of the University nor the names of its contributors
 .\"    may be used to endorse or promote products derived from this software
 .\"    without specific prior written permission.
 .\"
 .\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 .\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 .\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 .\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 .\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 .\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 .\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 .\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
 .\"     @(#)resolver.5	8.1 (Berkeley) 6/5/93
 .\" $FreeBSD$
 .\"
-.Dd August 16, 2018
+.Dd November 9, 2021
 .Dt RESOLVER 5
 .Os
 .Sh NAME
 .Nm resolver
 .Nd resolver configuration file
 .Sh SYNOPSIS
 .Nm resolv.conf
 .Sh DESCRIPTION
 The
 .Xr resolver 3
 is a set of routines in the C library
 which provide access to the Internet Domain Name System.
 The resolver configuration file contains information that is read
 by the resolver routines the first time they are invoked by a process.
 The file is designed to be human readable and contains a list of
 keywords with values that provide various types of resolver information.
 .Pp
 On a normally configured system this file should not be necessary.
 The only name server to be queried will be on the local machine,
 the domain name is determined from the host name,
 and the domain search path is constructed from the domain name.
 .Pp
 The different configuration options are:
 .Bl -tag -width nameserver
 .It Sy nameserver
 Internet address (in dot notation) of a name server
 that the resolver should query.
 Up to
 .Dv MAXNS
 (currently 3) name servers may be listed,
 one per keyword.
 If there are multiple servers,
 the resolver library queries them in the order listed.
 If no
 .Sy nameserver
 entries are present,
 the default is to use the name server on the local machine.
 (The algorithm used is to try a name server, and if the query times out,
 try the next, until out of name servers,
 then repeat trying all the name servers
 until a maximum number of retries are made).
 .It Sy domain
 Local domain name.
 Most queries for names within this domain can use short names
 relative to the local domain.
 If no
 .Sy domain
 entry is present, the domain is determined
 from the local host name returned by
 .Xr gethostname 3 ;
 the domain part is taken to be everything after the first
 .Ql \&. .
 Finally, if the host name does not contain a domain part, the root
 domain is assumed.
 .It Sy search
 Search list for host-name lookup.
 The search list is normally determined from the local domain name;
 by default, it contains only the local domain name.
 This may be changed by listing the desired domain search path
 following the
 .Sy search
 keyword with spaces or tabs separating
 the names.
 Most resolver queries will be attempted using each component
 of the search path in turn until a match is found.
 Note that this process may be slow and will generate a lot of network
 traffic if the servers for the listed domains are not local,
 and that queries will time out if no server is available
 for one of the domains.
 .Pp
 The search list is currently limited to six domains
 with a total of 256 characters.
 .It Sy sortlist
 Sortlist allows addresses returned by gethostbyname to be sorted.
 A sortlist is specified by IP address netmask pairs.
-The netmask is
-optional and defaults to the natural netmask of the net.
+If the netmask is not specified,
+it defaults to the historical Class A/B/C netmask of the net;
+this usage is deprecated.
 The IP address
-and optional network pairs are separated by slashes.
+and network pairs are separated by slashes.
 Up to 10 pairs may
 be specified.
 E.g.,
 .Pp
-.Dl "sortlist 130.155.160.0/255.255.240.0 130.155.0.0"
+.Dl "sortlist 10.9.1.0/255.255.240.0 10.9.0.0/255.255.0.0"
 .It Sy options
 Options allows certain internal resolver variables to be modified.
 The syntax is
 .Pp
 \fBoptions\fP \fIoption\fP \fI...\fP
 .Pp
 where
 .Sy option
 is one of the following:
 .Bl -tag -width no_tld_query
 .It Sy debug
 sets
 .Dv RES_DEBUG
 in _res.options.
 .It Sy usevc
 sets
 .Dv RES_USEVC
 to use TCP instead of UDP for queries.
 .It Sy ndots: Ns Ar n
 sets a threshold for the number of dots which must appear in a name given to
 .Fn res_query
 (see
 .Xr resolver 3 )
 before an
 .Em initial absolute query
 will be made.
 The default for
 .Em n
 is
 .Dq 1 ,
 meaning that if there are any dots in a name, the name
 will be tried first as an absolute name before any
 .Em search list
 elements are appended to it.
 .It Sy timeout: Ns Ar n
 sets the initial amount of time the resolver will wait
 for a response from a remote
 name server before retrying the query via a different name server.
 The resolver may wait longer during subsequent retries
 of the current query since an exponential back-off is applied to
 the timeout value.
 Measured in seconds, the default is
 .Dv RES_TIMEOUT ,
 the allowed maximum is
 .Dv RES_MAXRETRANS
 (see
 .In resolv.h ) .
 .It Sy attempts: Ns Ar n
 sets the number of times the resolver will send a query to each of
 its name servers
 before giving up and returning an error to the calling application.
 The default is
 .Dv RES_DFLRETRY ,
 the allowed maximum is
 .Dv RES_MAXRETRY
 (see
 .In resolv.h ) .
 .It Sy no_tld_query
 tells the resolver not to attempt to resolve a top level domain name, that
 is, a name that contains no dots.
 Use of this option does not prevent
 the resolver from obeying the standard
 .Sy domain
 and
 .Sy search
 rules with the given name.
 .It Sy reload-period: Ns Ar n
 The resolver checks the modification time of
 .Pa /etc/resolv.conf
 every
 .Ar n
 seconds.
 If
 .Pa /etc/resolv.conf
 has changed, it is automatically reloaded.
 The default for
 .Ar n
 is two seconds.
 Setting it to zero disables the file check.
 .El
 .Pp
 Options may also be specified as a space or tab separated list using the
 .Dv RES_OPTIONS
 environment variable.
 .El
 .Pp
 The
 .Sy domain
 and
 .Sy search
 keywords are mutually exclusive.
 If more than one instance of these keywords is present,
 the last instance will override.
 .Pp
 The keyword and value must appear on a single line, and the keyword
 .Pq for example, Sy nameserver
 must start the line.
 The value follows the keyword, separated by white space.
 .Sh FILES
 .Bl -tag -width /etc/resolv.conf -compact
 .It Pa /etc/resolv.conf
 The file
 .Nm resolv.conf
 resides in
 .Pa /etc .
 .El
 .Sh SEE ALSO
 .Xr gethostbyname 3 ,
 .Xr resolver 3 ,
 .Xr hostname 7 ,
 .Xr resolvconf 8
 .Rs
 .%T "Name Server Operations Guide for BIND"
 .Re
 .Sh HISTORY
 The
 .Nm resolv.conf
 file format appeared in
 .Bx 4.3 .