Hello.To me, the proposed "MUST rewrite [the SPF record]" certainly feels too strong. I also wonder if there are some other problematic cases, as SPF certainly isn't the only common DNS record that can embed IPv4 address(es).
--Vladimir _______________________________________________ DNSOP mailing list DNSOP@ietf.org https://www.ietf.org/mailman/listinfo/dnsop