Office 365 DNS Entries

Once your Office 365 subscription has been setup, you will need to configure your DNS records for the services to begin working. Note that this only applies to your production domain, the temporary domain (example.onmicrosoft.com) already contains all the required entries.

You can retrieve the list of records specific to your domain through the Office 365 Admin panel, under Domains, by selecting either start setup, complete setup, or manage DNS.

A general list of the DNS entries required is show below:

 

Mail and Outlook Records 

Record Type

Priority

Points to or Address

TTL

MX

0

Example-com-au.mail.protection.outlook.com

3600

NB: The points to or Address field will normally be your production, with - in place of . - for example, @mycloud.com.au will become mycloud-com-au

 

Record Type

Host Name

Points to (value)

TTL

CNAME

autodiscover

autodiscover.outlook.com

3600

CNAME

msoid

clientconfig.microsoftonline-p.net

3600

CNAME

owa

mail.office365.com

3600

 

Record Type

Name

Value

TTL

TXT

@ (or blank)

v=spf1 include:spf.protection.outlook.com -all

3600

Important note about SPF records: If you are sending mail from anything other than Microsoft's servers, including locally hosted servers, mailout platforms, etc. you will need to add these to the SPF record above. For example, v=spf1 include:spf.protection.outlook.com a:yourmailserver.example.com.au -all

 

Lync Records

These records are optional, but must be added if you wish to use Lync

Record Type

Host Name

Points to (value)

TTL

CNAME

sip

sipdir.online.lync.com

3600

CNAME

lyncdiscover

webdir.online.lync.com

3600

 

Type

Service

Protocol

Port

Weight

Priority

Name

Target

TTL

SRV

_sip

_tls

443

1

100

@ (or blank)

sipdir.online.lync.com

3600

SRV

_sipfederationtls

_tcp

5061

1

100

@ (or blank)

sipfed.online.lync.com

3600

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