litmus.io

Valid Email Server
Domain Lookup › litmus.io
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
litmus.io
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-21 17:45:42 UTC · ↺ Refresh

MX Hostnames

  • litmus-io.mail.protection.outlook.com

MX Priorities

No priority data.

A / AAAA Records

  • 104.18.2.37
  • 104.18.3.37
  • 2606:4700::6812:325
  • 2606:4700::6812:225

Mail Server IPs

No IPs resolved.

SOA Record

No SOA record found.

Nameservers (NS)

zara.ns.cloudflare.com
will.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.mailjet.com include:spf.protection.outlook.com include:spf.sendinblue.com include:_spf.salesforce.com include:mail.zendesk.com include:45437139.spf07.hubspotemail.net include:spf-westus.emailsignatures365.com mx -all
📊 DNS lookups: 8/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]

DKIM Selectors

✓ 6 found
google._domainkey
selector1._domainkey
selector2._domainkey
mail._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

16 records
  • jetbrains-domain-verification=72j2aaszpj7zjtwojvwqpgv1j
  • atlassian-domain-verification=c6KpeJkmfsTpEdOGxtcZkUhgHesSNq0tnrR9/V9kve697O3IaHSBFNPkuEXugBBa
  • mgverify=c7b5e1312bf0a641816af81785dd00de6904bbe8d3067a1c3bc7373ff5dff675
  • google-site-verification=eCwD-aFH2ZW3J6XbgVMomwKp9cSDsQeHP29q3HXFPaU
  • hcp-domain-verification=477b192dd5f8b08c4014f4e38f8a70a98d735507c2fd39af96ea5e7abc8f7493
  • box-domain-verification=45887d087f139d420d3ef94e446aeaed43a8e4f64250fba149f38d8c55ce5919
  • anthropic-domain-verification-f1t1td=BbkKfKjJKovSsJ9DKSUzSOIkS
  • 4s22pl4v7bc7onhjpp7jvri13
  • apple-domain-verification=NxbAck3Pu0XAyOM3
  • MS=ms18303462
  • Sendinblue-code:5683892b00c0f577d23048e0eaf2e05d
  • postman-domain-verification=fbab9edb36603603fc32df32014d4fc3790d104edf6af70f11ec77ac4bbd46e4f0447d5a60209c7a7cc7ea35eb80ab88546623b55013708733e7d3d9d6750e57
  • openai-domain-verification=dv-ixlWyyOa8uvb0po7mmFFj7pP
  • ulp6qp16tqicvop2od179cptsu
  • stripe-verification=77890ADE9B348EE3CF2E1131B8689AFCCDD4C360DFDA874EE5DE663A4DD83E80
  • SPFv=spf1 include:spf.mailjet.com include:spf.protection.outlook.com include:spf.sendinblue.com include:_spf.salesforce.com include:mail.zendesk.com include:45437139.spf07.hubspotemail.net include:spf-westus.emailsignatures365.com mx -all
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