On 1/22/2016 8:16 AM, Cyrus Daboo wrote: > > The reality is no one has deployed TXT record mechanism. Current > deployments for this for some major service providers can be seen here: > > dig _caldavs._tcp.google.com srv > dig _caldavs._tcp.yahoo.com srv > dig _caldavs._tcp.icloud.com srv > dig _caldavs._tcp.fastmail.com srv > > They all support both caldavs and carddavs. None of them have matching > TXT records and I am pretty sure none of the client implementations look > for TXT either. caldav SRV defines only one related TXT record: path=<context path> Many other SRVs do not define any TXT records. Joe