How to check DNS SRV records for Federation, Edge and Exchange

Articles on: Networking

• 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](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/

Updated on: 31/01/2023

Updated on: 01/07/2024