*.lync.com
*.teams.cloud.microsoft
*.teams.microsoft.com
teams.cloud.microsoft
teams.microsoft.com
52.112.0.0/14
52.122.0.0/15
2603:1027::/48
2603:1037::/48
2603:1047::/48
2603:1057::/48
2603:1063::/38
2620:1ec:40::/42
2620:1ec:6::/48