Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
known.is
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-30 04:51:21 UTC · ↺ Refresh
MX Hostnames
- known-is.mail.protection.outlook.com
MX Priorities
- known-is.mail.protection.outlook.com: 0
A / AAAA Records
- 76.76.21.21 (no PTR)
Mail Server IPs
- 52.101.9.17 (no PTR)
- 52.101.41.56 ↩ mail-sj0pr21cu00100.inbound.protection.outlook.com
- 52.101.11.19 ↩ mail-sa9pr04cu00203.inbound.protection.outlook.com
- 52.101.194.3 ↩ mail-ch1pr04cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c946::4 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:c903::3 ↩ mail-mw2pr02cu00503.inbound.protection.outlook.com
- 2a01:111:f403:c931::1 ↩ mail-sa9pr03cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c91d:: ↩ mail-mw2pr04cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
anahi.ns.cloudflare.com dns.cloudflare.com 2400233579 10000 2400 604800 1800
Primary NS (mname)
anahi.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400233579
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
anahi.ns.cloudflare.com
drew.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spfmo.mediaocean.com include:amazonses.com include:spf.openair.com include:spf.openair1.com include:spf.US.exclaimer.net include:sent-via.netsuite.com include:_spf.google.com -all
📊 DNS lookups: 8/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=1; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
google._domainkey
selector1._domainkey
selector2._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
13 records- jamf-site-verification=2IX1DD-h6pgXAqj3YKo9QQ
- jetbrains-domain-verification=crkvnstofpxgk024rmlbhlldm
- perplexity-ai-domain-verification-qcynpk=51OHuQ5HHmQT4l7o2nxhtR8OT
- SPFv=spf1 include:spf.protection.outlook.com include:_spfmo.mediaocean.com include:amazonses.com include:spf.openair.com include:spf.openair1.com include:spf.US.exclaimer.net include:sent-via.netsuite.com include:_spf.google.com -all
- BPL=1206840
- ZOOM_verify_C8TTD2_dTrmAC02TrkrvEQ
- anthropic-domain-verification-5za5ec=40vYsO5BLDDoUOCDmZSJJoH6Z
- apple-domain-verification=np9IiXtAR7ccDpoc
- atlassian-domain-verification=nrmaEJos86yflpq5hrWn8xsbeWySw8UCwG7XIWEcrEKYjakDeLreABtagqTpcEa5
- atlassian-sending-domain-verification=1e416a4c-4546-4c7c-a67e-6a136d304b1f
- docusign=98ab2a79-ecd3-4d52-aed1-4a430f62e5b8
- google-site-verification=1G6Avu-jVpTC7fhVAnyPncesoTasXYwn8Vwe1V8qhsw
- google-site-verification=Tg7TKZI_8Yblr7-rs6_M43f548ChEyK0X5hZwzxTSb0
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