SYNOPSIS

       dnsptr IPv4 or IPv6.

DESCRIPTION

       dnsptr does a DNS PTR lookup and displays the retrieved fqdn.

EXIT CODES

       dnsptr always returns 0 except for wrong IP address formats while
       returning 100.

SEE ALSO

       dnscname(8), dnsmxip(8), dnsfq(8), dnsip(8), dnstxt(8).



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