dnsname(1)                           General Commands Manual                           dnsname(1)



NAME
       dnsname - does a reverse lookup for the IP address


SYNOPSIS
       dnsname a.b.c.d


DESCRIPTION
       dnsname does a reverse lookup for the IP address a.b.c.d.  It prints the first domain name
       for that address.  If no domain names are listed in DNS, dnsname prints a blank line.  You
       can list several IP addresses; dnsname prints each result on a separate line.

       There  is  also a dnsfilter(1) program that reads IP addresses from its input and performs
       many reverse lookups in parallel.

       Normally dnsname exits 0.  If dnsname encounters a temporary problem that prevents it from
       determining the domain name, it prints an error message and exits 111.


SEE ALSO
       dnsip(1), dnsipq(1), dnsmx(1), dnstxt(1), dnsqr(1), dnsq(1), dnstrace(1)

       http://cr.yp.to/djbdns.html



                                                                                       dnsname(1)