MXLIST.NET - ctslyncsip.mssupport.microsoft.com

Search for IP or hostnames:

ctslyncsip.mssupport.microsoft.com checked at 2025-11-26T07:03:54.899Z 64ms 27/27/27 100% R:9 allDone:true timedOut:false

`ctslyncsip.mssupport.microsoft.com`

A	131.107.255.133^{🇺🇸 AS3598}
		PTR	`ctslyncsip.mssupport.microsoft.com`
A	131.107.255.136^{🇺🇸 AS3598}
		PTR	`ctslyncsip.mssupport.microsoft.com`

MX mssupport-microsoft-com.mail.protection.outlook.com

133.255.107.131.in-addr.arpa

136.255.107.131.in-addr.arpa

Other host names, for instance sip.partners.extranet.microsoft.com, share IP numbers with ctslyncsip.mssupport.microsoft.com.