On 13.07.2023 at 00:38 Robert L Mathews via mailop wrote: > Aside from anything else, it implies that SOA records can be easily added to > solve this, similar to how you add MX or A records. But that is usually not > the case: SOA records can exist only at a DNS zone delegation boundary, not > at the level of any arbitrary hostname. > > I know AOL/Yahoo folks are on here. IS it intentional to be this restrictive, > effectively introducing a new DNS requirement for mail senders? If so, this > is going to be a problem for many people. > > To give a concrete example of the difficulty, we host mail and DNS for > "cityname.or.us". Our system generates a DNS zone file that originally looked > like: > > $ORIGIN cityname.or.us > @ SOA ns1.tigertech.net. a.tigertech.net. ( 1 2 3 4 5 ) > @ MX 0 mx.tigertech.net. > @ A 192.0.2.44 > @ (SPF and DKIM records omitted for brevity)
The requirement is actually less restrictive as it only requires a SOA record and not additional A, AAAA or MX records in DNS. It is not necessary that every hostname has a SOA record, that indeed would be unreasonable. Yahoo only requires a SOA record for the organizational domain (base domain). As "or.us" has been added to the PSL and the owner wants it to be treated as a TLD, a SOA record is required for westfir.or.us, however none exists. -- BR Oliver ________________________________ dmTECH GmbH Am dm-Platz 1, 76227 Karlsruhe * Postfach 10 02 34, 76232 Karlsruhe Telefon 0721 5592-2500 Telefax 0721 5592-2777 dmt...@dm.de<mailto:dmt...@dm.de> * www.dmTECH.de<http://www.dmtech.de> GmbH: Sitz Karlsruhe, Registergericht Mannheim, HRB 104927 Geschäftsführer: Christoph Werner, Martin Dallmeier, Roman Melcher ________________________________ Datenschutzrechtliche Informationen Wenn Sie mit uns in Kontakt treten, beispielsweise wenn Sie an unser ServiceCenter Fragen haben, bei uns einkaufen oder unser dialogicum in Karlsruhe besuchen, mit uns in einer geschäftlichen Verbindung stehen oder sich bei uns bewerben, verarbeiten wir personenbezogene Daten. Informationen unter anderem zu den konkreten Datenverarbeitungen, Löschfristen, Ihren Rechten sowie die Kontaktdaten unserer Datenschutzbeauftragten finden Sie hier<https://www.dm.de/datenschutzerklaerung-kommunikation-mit-externen-493832>. _______________________________________________ mailop mailing list mailop@mailop.org https://list.mailop.org/listinfo/mailop
