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I'm not really sure which forum this question should go into, so I'm posting it here.
I work with AIX and RHEL systems using PuTTY (Release 0.60_q1.129) from a Windows 7 workstation.
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Net::DNS::Question(3) User Contributed Perl Documentation Net::DNS::Question(3)
Net::DNS::Question - DNS question class
A "Net::DNS::Question" object represents a record in the question section of a DNS packet.
$question = Net::DNS::Question->new("example.com", "MX", "IN");
Creates a question object from the domain, type, and class passed as arguments.
RFC4291 and RFC4632 IP address/prefix notation is supported for queries in in-addr.arpa and ip6.arpa subdomains.
($question, $offset) = Net::DNS::Question->parse($data, $offset);
Parses a question section record at the specified location within a DNS packet. The first argument is a reference to the packet data. The
second argument is the offset within the packet where the question record begins.
Returns a Net::DNS::Question object and the offset of the next location in the packet.
Parsing is aborted if the question object cannot be created (e.g., corrupt or insufficient data).
print "qname = ", $question->qname, "
print "zname = ", $question->zname, "
Returns the domain name. In dynamic update packets, this field is known as "zname" and refers to the zone name.
print "qtype = ", $question->qtype, "
print "ztype = ", $question->ztype, "
Returns the record type. In dymamic update packets, this field is known as "ztype" and refers to the zone type (must be SOA).
print "qclass = ", $question->qclass, "
print "zclass = ", $question->zclass, "
Returns the record class. In dynamic update packets, this field is known as "zclass" and refers to the zone's class.
Prints the question record on the standard output.
print $qr->string, "
Returns a string representation of the question record.
$qdata = $question->data($packet, $offset);
Returns the question record in binary format suitable for inclusion in a DNS packet.
Arguments are a "Net::DNS::Packet" object and the offset within that packet's data where the "Net::DNS::Question" record is to be stored.
This information is necessary for using compressed domain names.
Copyright (c) 1997-2002 Michael Fuhr.
Portions Copyright (c) 2002-2004 Chris Reinhardt.
Portions Copyright (c) 2003,2006-2009 Dick Franks.
All rights reserved.
This program is free software; you may redistribute it and/or modify it under the same terms as Perl itself.
perl(1), Net::DNS, Net::DNS::Resolver, Net::DNS::Packet, Net::DNS::Update, Net::DNS::Header, Net::DNS::RR, RFC 1035 Section 4.1.2
perl v5.12.1 2009-12-30 Net::DNS::Question(3)