09-08-2017
I think that the reverse DNS is looked up at login time and recorded. You would just need to look up the DNS name to get the IP again though.
You might use one of:- dig, host, nslookup or something else, even ping might do it for you.
I hope that this helps,
Robin
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LEARN ABOUT SUNOS
rpc.nisd_resolv
rpc.nisd_resolv(1M) System Administration Commands rpc.nisd_resolv(1M)
NAME
rpc.nisd_resolv, nisd_resolv - NIS+ service daemon
SYNOPSIS
rpc.nisd_resolv [-v | -V] [ -F [-C fd]] [-t xx] [-p yy]
DESCRIPTION
rpc.nisd_resolv is an auxiliary process which provides DNS forwarding service for NIS hosts requests to both ypserv and rpc.nisd that are
running in the NIS compatibility mode. It is generally started by invoking rpc.nisd(1M) with the -B option or ypserv(1M) with the -d
option. Although it is not recommended, rpc.nisd_resolv can also be started independently with the following options.
This command requires that the /etc/resolv.conf file be setup for communication with a DNS nameserver. The nslookup utility can be used to
verify communication with a DNS nameserver. See resolv.conf(4) and nslookup(1M).
OPTIONS
-F Run in foreground.
-C fd Use fd for service xprt (from nisd).
-v Verbose. Send output to the syslog daemon.
-V Verbose. Send output to stdout.
-t xx Use transport xx.
-p yy Use transient program# yy.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Availability |SUNWnisu |
+-----------------------------+-----------------------------+
SEE ALSO
nslookup(1M), rpc.nisd(1M), resolv.conf(4), attributes(5)
NOTES
NIS+ might not be supported in future releases of the SolarisTM Operating Environment. Tools to aid the migration from NIS+ to LDAP are
available in the Solaris 9 operating environment. For more information, visit http://www.sun.com/directory/nisplus/transition.html.
SunOS 5.10 12 Dec 2001 rpc.nisd_resolv(1M)