Date: Tue, 26 Jun 2001 16:21:39 -0400 From: Daniel Frazier <dfrazier@magpage.com> To: Peter Brezny <peter@sysadmin-inc.com> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: dns tool for reverse lookup of network range needed Message-ID: <3B38EED3.F5E33696@magpage.com> References: <NFBBKAEAALGGGFKINBLAIEENCAAA.peter@sysadmin-inc.com>
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Peter Brezny wrote: > > Is there a too for freebsd that could help with checking the reverse lookup > of an entire subdomain? > > I looked around in the man page for dig, and saw the -f [file] option, but > i'd still have to setup a file with each ip in it... > how about this... $ x=0; while [ $x -lt 255 ]; do echo $x; host 216.155.24.$x; x=`echo "$x + 1" | bc`; done this'll do a whole class c. modify the original value of x and the number in the test command to narrow the range of ips checked. -- ---------------------------------------------------------------------- Daniel Frazier <dfrazier@magpage.com> Tel: 302-239-5900 Ext. 231 Systems Administrator Fax: 302-239-3909 MAGPAGE, We Power the Internet WWW: http://www.magpage.com/ "They that can give up essential liberty to obtain a little temporary safety deserve neither liberty nor safety." - Benjamin Franklin, Historical Review of Pennsylvania, 1759. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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