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DNS settings: SPF, DKIM and DMARC

The three records every sending domain needs, and how to check them.

6 steps about 1 min captured 2026-10-17 Artra
1

Under Insights → Deliverability, "DNS Settings" checks your sending domain.

Step 1: Under Insights → Deliverability, "DNS Settings" checks your sending domain.
2

SPF lists who may send for your domain. Add Artra’s include and your mail provider’s.

Step 2: SPF lists who may send for your domain. Add Artra’s include and your mail provider’s.
3

DKIM signs each email. Your provider gives you the TXT record to add.

Step 3: DKIM signs each email. Your provider gives you the TXT record to add.
4

DMARC tells receivers what to do when SPF or DKIM fail. Start with p=none.

Step 4: DMARC tells receivers what to do when SPF or DKIM fail. Start with p=none.
5

Click "Double check" to verify DKIM on a real email.

Step 5: Click "Double check" to verify DKIM on a real email.
6

Send yourself a test, open it, choose Show original, paste the source here and click Analyze.

Step 6: Send yourself a test, open it, choose Show original, paste the source here and click Analyze.
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