Emailing Host Records

Explaining emailing host records

Common DNS Records Explained

DNS (Domain Name System) records are like a phone book for the internet. They tell browsers and email services where to go. Here’s a simple breakdown of the most important DNS records you might need to know.

When you buy domains from Infraforge/Mailforge they come automatically with DMARC, DKIM, and SPF on purchase

Essential DNS Records

  • A Record – Connects a domain to an IPv4 address (e.g., example.com → 192.168.1.1).

  • AAAA Record – Same as A, but for IPv6 addresses.

  • CNAME Record – Redirects one domain to another (e.g., www.example.com → example.com).

  • MX Record – Tells email services where to deliver emails.

  • TXT Record – Stores text info (often used for email security).

  • NS Record – Lists the name servers managing your domain.

  • Forwarding – Redirects one domain to another (set up via hosting).

Email Security Records (Stops Spam & Spoofing)

  • SPF Record – Defines which mail servers can send emails for your domain. Helps prevent fake emails.

  • DKIM Record – Adds a digital signature to your emails to prove they are legit.

  • DMARC Record – Tells email servers what to do if an email fails SPF or DKIM (reject, spam, or allow).

How to Check DNS Records in MXToolbox(https://mxtoolbox.com/SuperTool.aspx#)

Check SPF Record:

  1. Go to SPF Lookup.

  2. Enter your domain name (e.g., example.com).

  3. Click "SPF Record Lookup" to see if your SPF record is set up correctly.

Check DKIM Record:

  1. Go to DKIM Lookup.

  2. Enter your domain name and selector (DKIM keys are stored under a selector name, DKIM selector is “autogenerated” when you buy domains from us).

  3. Click "DKIM Lookup" to check if your DKIM record is valid.

Check DMARC Record:

  1. Go to DMARC Lookup.

  2. Enter your domain name.

  3. Click "DMARC Record Lookup" to check if DMARC is set up.

Final Thoughts

If you're setting up a website or email, these DNS records are your foundation.

  • A, CNAME, and MX are essential for websites and email.

  • SPF, DKIM, and DMARC protect your emails from spoofing and spam.

  • Use MXToolbox to check if everything is set up correctly!

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