In article <20150309110803.4516.qm...@cr.yp.to> you write: >My "qmail" software is very widely deployed (on roughly 1 million SMTP >server IP addresses) and, by default, relies upon ANY queries in a way >that is guaranteed to work by the mandatory DNS standards.
All the qmail installations I know patched that about a decade ago to be a CNAME lookup, because the ANY query caused interop problems. It's not a very strong argument in favor of ANY. R's, John _______________________________________________ DNSOP mailing list DNSOP@ietf.org https://www.ietf.org/mailman/listinfo/dnsop