Tag Archives: lync online

External DNS records for Lync Online (Office 365)

By | June 19, 2014

Lync desktop client autodiscover Type Host name Destination TTL CNAME sip.yourDomainName.com sipdir.online.lync.com 1 hour Lync mobile client autodiscover Type Host name Destination TTL CNAME lyncdiscover.yourDomainName.com webdir.online.lync.com 1 hour Lync desktop autodiscover for anonymous (unauthenticated) users Type Service Protocol Port Weight Priority TTL Name Target SRV _sip _tls 443 1 100 1 hour yourDomainName.com sipdir.online.lync.com

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