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Skype for Business (SFB)

DNS records required for SFB server

Updated: 19-02-2023, 09.23 AM

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DNS records required for SFB server

DNS records required for SFB server

DNS records required for SFB server

Internal DNS:

  1. _tcp.topicstalk.com ( SRV) -> It needs to be pointed to FQDN of the SFB poolà Internal user login purpose
  2. topicstalk.com ( Host A) -> It need to be pointed to IP of pool -> Internal Autodiscover service
  3. topicstalk.com ( Host A) -> It need to be pointed to IP of pool -> SFB control panel
  4. topicstalk.com ( Host A) -> It need to be pointed to IP of pool -> SFB web services
  5. topicstalk.com ( Host A) -> It need to be pointed to IP of poo l-> SFB web services

External DNS:

  1. _tcp. topicstalk.com ( SRV) -> It needs to be pointed to Access Edge FQDN ( access. topicstalk.com) -> For Federation and public IM connectivity
  2. _tls. topicstalk.com (SRV) -> It needs to be pointed to Access Edge FQDN ( access. topicstalk.com) -> For external user sign in
  3. _xmpp-server._tcp. topicstalk.com (SRV) -> It needs to be pointed to Access Edge FQDN ( access. topicstalk.com) -> for XMPP federation
  4. topicstalk.com ( HOST A) -> It needs to be pointed to Access Edge FQDN ( access. topicstalk.com) -> To locate Edge server
  5. topicstalk.com ( HOST A) -> It needs to be pointed to Access Edge IP address -> for Access edge server
  6. topicstalk.com ( HOST A) -> It needs to be pointed to A/V Edge IP address -> for A/V edge server
  7. topicstalk.com ( HOST A) -> It needs to be pointed to Web conf Edge IP address -> for Web conf edge server
  8. topicstalk.com ( HOST A) -> It need to be pointed to public ip of the reverse proxy -> for External Autodiscover service
  9. topicstalk.com ( HOST A) -> It need to be pointed to public ip of the reverse proxy -> Join meeting externally
  10. topicstalk.com ( HOST A) -> It need to be pointed to public ip of the reverse proxy -> for External dial in feature
  11. topicstalk.com ( HOST A) -> It need to be pointed to public ip of the reverse proxy -> for external web services

Conclusion: Post reading this blog I came to know which internal and external DNS records are used for SFB server

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