> On Aug 18, 2026, at 9:52 AM, Paul Wouters <[email protected]> > wrote: > > On Tue, 18 Aug 2026, John Levine wrote: > >> According to Dan Mahoney <[email protected]>: >>> Hello, >>> >>> I am Requesting the following addition to the "Underscored and Globally >>> Scoped DNS Node Names" registry, per RFC 8552 Section 3: >>> >>> RR Type _NODE NAME Reference >>> TXT _tls RFC 8460 >>> >>> RFC 8460 (SMTP TLS Reporting) defines a TXT record at >>> _smtp._tls.<domain>. Under RFC 8552, the name that actually needs >>> registering is the one closest to the root - here, "_tls" - with >>> "_smtp" as a subordinate name under it. Subordinate names aren't >>> separately registered; they're the responsibility of whoever holds >>> the parent entry, so this is not a request to also add "_smtp". >>> >>> This looks like a oversight from prior work. > > It seems to be yes. > >> It's more of a race condition. RFCs 8460 and 8553 were written at about >> the same time and we didn't think to do another pass over newly published >> RFCs after the last draft of 8553. >> >>> I believe this falls under the "Expert Review" process in RFC 8552 >> >> Agreed. IANA has a form for you to submit here: >> >> https://www.iana.org/form/protocol-assignment > > This is the process, yes.
I'll go fill that out just for the sake of completeness. (Done) > >> At least one of the experts is a regular contributor here so >> perhaps they could say whether they need more. > > I am the person John is likely eluding to. Frederico is the other DE, > and I've added him to the CC:. > > This is a bit of a weird one. Normally, we would be a bit careful with > such generic prefixes and RFC 8460 doesn't actually say anything > about the _tls prefix, only about the _smtp._tls prefix. > > Presumably, we would want everyone under _tls to use a protocol/service > prefix but that is not something a FCFS registry can enforce. So I > think it is best to just accept a registration request once it is filed > and perhaps we can find someone who wants to write a short draft that > updates 8460 to clarify how to use the _tls prefix. I'm not one of the authors of 8460, but wouldn't mind taking a stab at this or perhaps coauthoring, although it feels like mostly a formality. Also note that I'm likely to be in San Francisco in November. Best, -Dan _______________________________________________ DNSOP mailing list -- [email protected] To unsubscribe send an email to [email protected]
