Office 365 DNS

Office 365 DNS is the same regardless of your Microsoft Provider or Partner.  Below are the DNS Records associated with Office 365 email.
 
CNAME's
 
Host                                     Points to | Value
sip
 
sipdir.online.lync.com
 
lyncdiscover
 
webdir.online.lync.com
 
autodiscover  
 
autodiscover.outlook.com
 
enterpriseregistration
 
enterpriseregistration.windows.net
 
enterpriseenrollment
 
enterpriseenrollment.manage.microsoft.com
 
msoid
 
clientconfig.microsoftonline-p.net
 
 
 
 
SRV's
 
Service                      Protocol     Priority    Weight   Port     Points to | Value
_sip _tls         100       1          443 sipdir.online.lync.com
_sipfederationtls _tcp 100 1 5061 sipfed.online.lync.com
 
 
 
TXT
 
Host       Points to | Value                                                                                      
@     MS=ms83929138
@ v=spf1 include:spf.protection.outlook.com -all
 
*The txt record MS=ms is unique to each Microsoft Office 365 account.  The record MS=ms83929138 above is NOT the same for every Office 365 account.  Your unique DNS record is located in the Office 365 Admin > Settings > Domains.
 
 
MX
 
Host     Priority       Points to | Value  
@            0   example-com.mail.protection.outlook.com
 
 
*The MX record always will end in .mail.protection.outlook.com.  The only part of the MX record that will change across Offie 365 accounts is the beginning.  For example, if my domain name is example.com, my MX record would be what's listed above, example-com.mail.protection.outlook.com.  
 
 

Add Feedback