pureslaves now work too

bin/add-slave

@@ -0,0 +1,19 @@
+#!/usr/bin/perl
+
+use strict;
+use warnings;
+use Martnet::DDNS;
+use Regexp::Common qw/net/;
+
+my $host = shift || die "No zonename provided";
+my $master = shift || die "No master DNS IP provided";
+
+die "Zonename must end in a dot"
+    unless ($host =~ /^[a-zA-Z0-9\.\-\_]+\.$/);
+
+my $regex = $RE{net}{IPv4} . '|' . $RE{net}{IPv6};
+die "Master must be an IPv4 or IPv6 address"
+    unless ($master =~ /^$regex$/);
+
+my $ddns = Martnet::DDNS->new();
+$ddns->add($host, $master, '_pureslave');