with specifying a port.
o Add the -p flag for specifying a port. (PR: 28790) This is
useful for querying rwhois servers. Example:
whois -h rwhois.exodus.net -p rwhois 216.136.180.0
o Add the -c flag which allows one to get the same whois server
that would normally be determined if no arguments were specified.
(Concept based on work by phantom, requested by ache) Example:
whois -c ru TCNET-MNT-RIPN
o Deprecate -R flag in favour of -c ru.
PR: 28790
Reviewed by: -audit, ache, phantom
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