How to check DNS SRV records for Federation, Edge and Exchange
- Just search the “cmd” in the search box.
- Open it.
- Type “nslookup”, and then press ENTER.
- It’ll connect to a dns server.
- To connect to google dns server, type “server 8.8.8.8” and press enter.
- It’ll then be connected to googles dns server.
- Type “set type=al” and press enter.
- Type “_sipfederationtls._tcp.communicationsquare.com”.
- Entering the above command will give the SRV records of Communication Square federation.
- For different federation just change the domain.
https://technet.microsoft.com/en-us/library/gg398680(v=ocs.15).aspx
- For Edge the following command will be used.
- “_sip._tls.communicationsquare.com”
https://technet.microsoft.com/en-us/library/bb870389(v=office.12).aspx
- For Exchange Auto discover the following command will be used.
- “_autodiscover._tcp.communicationsquare.com”
https://blogs.technet.microsoft.com/rmilne/2014/10/02/how-to-check-exchange-autodiscover-srv-record-using-nslookup/