MS365 Emails
Microsoft 365 Zone Records
If you’re looking for the default Microsoft 365 DNS records, we’ve listed them below. For more information on DNS records, you can visit our Understanding DNS support article.
Documentation Index
Fetch the complete documentation index at: /llms.txt
Use this file to discover all available pages before exploring further.
| Record Type | Host Name | TXT Value | TTL |
|---|---|---|---|
| TXT | @ | MS=msXXXXXXXX | 3600 |
| TXT | @ | v=spf1 include:spf.protection.outlook.com -all | 3600 |
| Record Type | Host Name | Points to | TTL | Priority |
|---|---|---|---|---|
| MX | @ | domain-tld.mail.protection.outlook.com | 3600 | 0 |
| Record Type | Host Name | Points to | TTL |
|---|---|---|---|
| CNAME | autodiscover | autodiscover.outlook.com | 3600 |
| CNAME | sip | sipdir.online.lync.com | 3600 |
| CNAME | lyncdiscover | webdir.online.lync.com | 3600 |
| CNAME | msoid | clientconfig.microsoftonline-p.net | 3600 |
| CNAME | enterpriseregistration | enterpriseregistration.windows.net | 3600 |
| CNAME | enterpriseenrollment | enterpriseenrollment.manage.microsoft.com | 3600 |
| Record Type | Host Name | Target | TLL | Priority | Service | Protocol | Port | Weight |
|---|---|---|---|---|---|---|---|---|
| SRV | @ | sipdir.online.lync.com | 3600 | 100 | _sip | _tls | 443 | 1 |
| SRV | @ | sipfed.online.lync.com | 3600 | 100 | _sipfederationtls | _tcp | 5061 | 1 |