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/

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