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--- dns:ipv6ptr [2009/05/01 18:46]
a
+++ dns:ipv6ptr [2009/05/25 00:34] (current)
@@ Line 1: / Line 1: @@
+====== Writing Reverse Zone For IPv6 addresses ======
+===== Bind8/9 zonefile =====
 **Example subnet**
 <code bind|f 2001:15c0:66e9>
@@ Line 40: / Line 44: @@
         allow-transfer {xxxx};
 };
+</code>
+===== PTR calculation =====
+**Easy was for writting PTR records**
+   * Using **ipv6calc**
+<code>
+$ ipv6calc 2001:15c0:66e9::1 --out revnibbles.arpa
+No input type specified, try autodetection...found type: ipv6addr
+.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.9.e.6.6.0.c.5.1.1.0.0.2.ip6.arpa.
+</code>
+   * Using **perl**
+<code>
+$ perl -e 'use Net::IP;$ip=new Net::IP("2a02:c0:100::2/128");print ($ip->reverse_ip()."\n");'
+.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.1.0.0.c.0.0.2.0.a.2.ip6.arpa.
+</code>
+   * Using **sipcalc**
+<code>
+$ sipcalc -r 2a01:c08::14
+-[ipv6 : 2a01:c08::14] - 0
+[IPV6 DNS]
+Reverse DNS (ip6.arpa)  -
+.1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.8.0.c.0.1.0.a.2.ip6.arpa.
 </code>