On 4 Aug 2020, at 15:47, Patrick Mevzek wrote:

PS: related but not directly, at least for domain registries, it would be nice to have an `SRV` record on `_rdap._tcp` or something to point to relevant RDAP server, even if that does not allow to encode the path (but maybe a solution with .well-known/ and URI template could be found), it allows at least for nice failover and load balancing. It may be a problem for gTLDs as they have
restrictions in content of their zone.

well, this has been debated at length during the WEIRDS working group work. I actually wrote a sentence about this in the RFC (in the acknowledgements section). I’m not sure we want to restart the debate again…

Maybe the newly expected SCVB record could help...

A setup like that would allow for discoverability without centralization of data, which also removes IANA from the hot operational path when RDAP clients do queries.

yes. this is the well-known caveat of this RFC and discussed and debated during WEIRDS. But experience up to now has not shown any issue, at least to my knowledge. (and as a developer of the RDAP Browser mobile app, I haven’t seen any issue fetching that registry. I do have found thousands of issues with the registry/registrars RDAP servers however, but that is another story).

Marc.


--
  Patrick Mevzek
  p...@dotandco.com

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