TXT record at your DNS host — same place as A and MX records.

Can I have multiple SPF records?

No. Merge into one TXT SPF record or mail may fail SPF.

What DMARC policy to start?

Use p=none with rua reports before quarantine or reject.

Add the TXT record your mail host provides; selectors vary per provider.

Yes. IP Checker publishes this guide and Check email DNS at no cost. No account is required for standard use.

No. Open the guide’s tool link in any modern browser on desktop, tablet, or phone.

This guide explains concepts and keywords in depth. The tool page runs the live check and shows instant results.

We do not permanently store queries from these tools. Some checks run in your browser; others fetch public data for that request only.

Yes. Link to https://ipchecker.online/guides/email-dns-spf-dmarc-guide or the tool at /tools/spf-dkim-dmarc-checker.

Email authentication DNS records explained

In-depth guide · 9 FAQs · ~1000+ words

Topics: spf record · dkim check · dmarc lookup · dkim · dmarc · email dns checker

DNS Tools

SPF DKIM DMARC Checker

Validate email authentication DNS records for any domain

A → 93.184.216.34

MX → mail.example.com

TXT → v=spf1 include:_spf...

NS → ns1.example.com