auto make -f Makefile.doc

Signed-off-by: coredns-auto-go-mod-tidy[bot] <coredns-auto-go-mod-tidy[bot]@users.noreply.github.com>

man/coredns-bind.7

@@ -14,7 +14,10 @@ another IP instead.
 If several addresses are provided, a listener will be open on each of the IP provided.
 
 .PP
-Each address has to be an IP of one of the interfaces of the host.
+Each address has to be an IP or name of one of the interfaces of the host. Bind by interface name, binds to the IPs on that interface at the time of startup or reload (reload will happen with a SIGHUP or if the config file changes).
+
+.PP
+If the given argument is an interface name, and that interface has serveral IP addresses, CoreDNS will listen on all of the interface IP addresses (including IPv4 and IPv6).
 
 .SH "SYNTAX"
 .PP
@@ -75,6 +78,20 @@ The following sample is equivalent to the preceding:
 .fi
 .RE
 
+.PP
+The following server block, binds on localhost with its interface name (both "127.0.0.1" and "::1"):
+
+.PP
+.RS
+
+.nf
+\&. {
+    bind lo
+}
+
+.fi
+.RE
+
 .SH "BUGS"
 .PP
 When defining more than one server block, take care not to bind more than one server to the same