Required DNS Records for Outlook Email
MX Record
Name/Host: @
Type: MX
Value: yourdomain-com.mail.protection.outlook.com
(replace yourdomain.com
with your actual domain)
Priority: 0
TXT Record (SPF)
Name/Host: @
Type: TXT
Value: "v=spf1 include:spf.protection.outlook.com -all"
CNAME Records (Autodiscover and other services)
Name Type Value autodiscover CNAME autodiscover.outlook.com sip CNAME sipdir.online.lync.com lyncdiscover CNAME webdir.online.lync.com msoid CNAME clientconfig.microsoftonline-p.net enterpriseregistration CNAME enterpriseregistration.windows.net enterpriseenrollment CNAME enterpriseenrollment.windows.net
SRV Records for Skype for Business
Name Type Service Protocol Priority Weight Port Target @ SRV _sip _tls 100 1 443 sipdir.online.lync.com @ SRV _sipfederationtls _tcp 100 1 5061 sipfed.online.lync.com
TXT Record for Domain Verification (optional) Microsoft may provide a TXT record to verify domain ownership.
DKIM & DMARC Setup (Optional but Recommended)
DKIM: Activate it through the Microsoft 365 admin center.
DMARC Record:
Type: TXT
Name: _dmarc
Value: "v=DMARC1; p=none; rua=mailto:your-email@yourdomain.com"
Steps to Configure DNS
Log into your domain provider’s control panel (e.g., GoDaddy, Cloudflare, VentraIP).
Navigate to DNS settings.
Add the above records one by one.
Save changes and wait for propagation (usually 24-48 hours).
Let me know if you need help with a specific domain provider!