>Many years ago Joe Abley and I suggested to create a special name for exactly >this purpose >a name that was guaranteed to never exist in the DNS thus the first lookup >would always return NXDOMAIN thus the A+AAAA lookups would never take place. >http://tools.ietf.org/html/draft-jabley-sink-arpa-03
While I don't think it's relevant for this application, isn't that what RFC 6761 defines "invalid" to be? R's, John _______________________________________________ DNSOP mailing list DNSOP@ietf.org https://www.ietf.org/mailman/listinfo/dnsop
