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I know you may have your reasons for looking at the record in a particular way, but why not use a module that is made for doing this, Net::DNS?

Below was a quick example of using Net::DNS to retrieve similar information:

#!/usr/bin/perl use strict; use warnings; use Net::DNS; my $res = Net::DNS::Resolver->new; my $target; # Single-target test $target = q{entrust.net}; # To run from command-line, uncomment loop below # foreach my $target ( @ARGV ) { my $reply = $res->query( q{entrust.net}, q{CAA}, ); if ( $reply ) { foreach my $rr ( $reply->answer ) { # Complete response $rr->print; # Individual response components print qq{Owner: }, $rr->owner, qq{\n}; print qq{Type: }, $rr->type, qq{\n}; print qq{Class: }, $rr->class, qq{\n}; print qq{TTL: }, $rr->ttl, qq{\n}; # RR-specific data as string print qq{RDstring: }, $rr->rdstring, qq{\n}; # RR-specific data components print qq{Flags: }, $rr->flags, qq{\n}; print qq{Critical: }, $rr->critical, qq{\n}; print qq{Tag: }, $rr->tag, qq{\n}; print qq{Value: }, $rr->value, qq{\n}; print qq{\n}; } else { warn qq{query failed: }, $res->errorstring, qq{\n}; } } }

Output:

entrust.net. 6168 IN CAA 0 iodef mailto:ecs.support\@en +trustdatacard.com Owner: entrust.net Type: CAA Class: IN TTL: 6168 RDstring: 0 iodef mailto:ecs.support\@entrustdatacard.com Flags: 0 Critical: 0 Tag: iodef Value: mailto:ecs.support@entrustdatacard.com entrust.net. 6168 IN CAA 0 issue entrust.net Owner: entrust.net Type: CAA Class: IN TTL: 6168 RDstring: 0 issue entrust.net Flags: 0 Critical: 0 Tag: issue Value: entrust.net

Hope that helps.


In reply to Re: tinyDNS deconstruct. by atcroft
in thread tinyDNS deconstruct. by 0xdeadbad

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