> vixie> Indeed not. We currently have to maintain a large and complex > vixie> distributed registry of ipv4 ptr patterns which are meaningless > vixie> and must therefore be filtered out before making policy decisions > vixie> about the presence/absence and match/doesn't of a ptr record and > vixie> it's associated a record. > > You are already doing this, correct? Not good, has pain, but at least in > place? > > And if I used a generation method for v6 that exactly matched v4, I'd > just get caught in exactly the same filters, right?
If you assume that IPv6 mail servers have static PTRs, there is zero added value (and a bit of work) in creating/synthesizing IPv6 PTRs for residential customers. Much better to simply not do it in the first place. Steinar Haug, AS 2116 _______________________________________________ DNSOP mailing list DNSOP@ietf.org https://www.ietf.org/mailman/listinfo/dnsop
