> Em 3 de abr de 2017, à(s) 10:26:000, Alexander Mayrhofer > <alexander.mayrho...@nic.at> escreveu: > >>>> Better would be something akin to Nominet's DAC protocol: >>>> >>>> http://registrars.nominet.uk/namespace/uk/registration-and-domain- >> management/query-tools/dac/instructions >>> > > For what it's worth, we (.at) use the "finger" protocol (RFC1288) for a > domain availability check: > > $ finger nosuchdomain...@finger.nic.at > nosuchdomain.at NO domain data found (1) > $ finger nic...@finger.nic.at > nic.at IS NOT available (1) > > Many registrars use it for bulk / near-real-time queries. We don't do a full > syntax/policy check, which is the reason for the carefully worded "NO domain > data found" response. > > We haver never investigated a UDP based protocol for carrying that > information, though COAP comes to my mind as an interesting candidate :)
.br has run such an UDP-based protocol for almost 10 years... it's called isavail, uses UDP port 43 and implements a session cookie mechanism in order to enforce rate limits. Rubens _______________________________________________ regext mailing list regext@ietf.org https://www.ietf.org/mailman/listinfo/regext
