.\" $Id: dhcp-options.5,v 1.50 2011/05/20 13:48:32 tomasz Exp $
.\"
-.\" Copyright (c) 2004-2018 by Internet Systems Consortium, Inc. ("ISC")
+.\" Copyright (c) 2004-2019 by Internet Systems Consortium, Inc. ("ISC")
.\" Copyright (c) 1996-2003 by Internet Software Consortium
.\"
.\" Permission to use, copy, modify, and distribute this software for any
data type can be entered either as an explicit IP
address (e.g., 239.254.197.10) or as a domain name (e.g.,
haagen.isc.org). When entering a domain name, be sure that that
-domain name resolves to a single IP address.
+domain name resolves to a single IP address. Additionally, please
+note the software (dhcpd or dhclient) will only attempt to resolve
+the domain name the first time the option is needed. For example, if
+the next-server option is defined as a domain name, dhcpd will
+attempt to resolve it while responding to the first client query
+dhcpd receives after startup. Should the domain's address subsequently
+change, the software has to be restarted in order to pick up the
+change.
.PP
The
.B ip6-address