DNS Records for Office 365 & Other Services

MX Record

Hostname

Value

Priority

TTL

@ or leave blank

Login to View MX record

0

3600

MX Records if using FutureSpam

Hostname

Value

Priority

TTL

@ or leave blank

mx1.futurespam.com.

10

3600

@ or leave blank

mx2.futurespam.com.

20

3600

@ or leave blank

mx3.futurespam.com.

30

3600

@ or leave blank

mx4.futurespam.com.

40

3600

@ or leave blank

Login to View MX record

50

3600

CNAME Records

Hostname

Value

 

TTL

autodiscover

autodiscover.outlook.com.   3600

sip

sipdir.online.lync.com.   3600

lyncdiscover

webdir.online.lync.com.   3600

enterpriseregistration

enterpriseregistration.windows.net.   3600

enterpriseenrollment

enterpriseenrollment.manage.microsoft.com.   3600

selector1._domainkey

selector1-<mx-domain>*._domainkey.<tenant-domain>*   3600

selector2._domainkey

selector2-<mx-domain>*._domainkey.<tenant-domain>*   3600

<mx-domain>* needs to be replaced with the domain part in yuour mx record. e.g abc-co-uk and <tenant-domain>* needs to be replaced with your .onmicrosoft.com domain

TXT Records

Hostname

Value

 

TTL

@ or leave blank

v=spf1 include:spf.protection.outlook.com -all   3600

_dmarc

v=DMARC1; p=none; pct=100   3600

If you are using additional services, such as sending emails from your website, you may need to include these in your SPF record, please contact our support team for further advice if required.

TXT Records if using FutureSpam

Hostname

Value

 

TTL

@ or leave blank

v=spf1 include:spf.protection.outlook.com include:spf.hornetsecurity.com -all   3600

_dmarc

v=DMARC1; p=none; pct=100   3600

If you are using additional services, such as sending emails from your website, you may need to include these in your SPF record, please contact our support team for further advice if required.

TXT Records if using Exclaimer

Hostname

Value

 

TTL

@ or leave blank

v=spf1 include:spf.protection.outlook.com include:spf.uk.exclaimer.net -all   3600

_dmarc

v=DMARC1; p=none; pct=100   3600

 

If you are using additional services, such as sending emails from your website, you may need to include these in your SPF record, please contact our support team for further advice if required.

TXT Records if using FutureSpam & Exclaimer

Hostname

Value

 

TTL

@ or leave blank

v=spf1 include:spf.protection.outlook.com include:spf.everycloudtech.com include:spf.uk.exclaimer.net -all   3600

_dmarc

v=DMARC1; p=none; pct=100   3600

 

If you are using additional services, such as sending emails from your website, you may need to include these in your SPF record, please contact our support team for further advice if required.

SRV Records

Hostname

Priority

Weight

Port

Value

TTL

_sip._tls

100 1 443 sipdir.online.lync.com. 3600

_sipfederationtls._tcp

100 1 5061 sipfed.online.lync.com. 3600

DKIM Configuration

Once you have added the DKIM CNAME records and they have been updated, you need to enable DKIM ion Office 365, you can do this by going to 

  • dns records, office 365 dns, futurespam dns, dns, dkim, dmarc, exclaimer, exclaimer spf
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