Domain Overview
DNS: ✓ 2d ago
Checker: ✓ 2d ago
usafacts.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-19 08:32:12 UTC · ↺ Refresh
MX Hostnames
- ms26869781.msv1.invalid
- usafacts-org.mail.protection.outlook.com
MX Priorities
- usafacts-org.mail.protection.outlook.com: 0
- ms26869781.msv1.invalid: 32767
A / AAAA Records
- 104.18.11.66 (no PTR)
- 104.18.10.66 (no PTR)
- 2606:4700::6812:b42
- 2606:4700::6812:a42
Mail Server IPs
- 52.101.42.16 ↩ mail-co1pr05cu00300.inbound.protection.outlook.com
- 52.101.8.44 ↩ mail-dm5pr04cu00104.inbound.protection.outlook.com
- 52.101.50.7 ↩ mail-co1pr21cu00207.inbound.protection.outlook.com
- 52.101.41.6 ↩ mail-sj0pr03cu01406.inbound.protection.outlook.com
- 2a01:111:f403:f90a::1 ↩ mail-bn8pr03cu00201.inbound.protection.outlook.com
- 2a01:111:f403:f804::2 ↩ mail-co1pr05cu00402.inbound.protection.outlook.com
- 2a01:111:f403:c902::14 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 2a01:111:f403:f90f::1 ↩ mail-sa9pr04cu00201.inbound.protection.outlook.com
SOA Record
Raw SOA
kate.ns.cloudflare.com dns.cloudflare.com 2404356684 10000 2400 604800 1800
Primary NS (mname)
kate.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2404356684
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
luke.ns.cloudflare.com
kate.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:servers.mcsv.net include:spf.exclaimer.net include:_spf.google.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none;rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
k1._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
8 records- openai-domain-verification=dv-3oMEW2gPhbeB7cwl4WEZDpVs
- usafacts-prod.azurewebsites.net
- SPFv=spf1 include:spf.protection.outlook.com include:servers.mcsv.net include:spf.exclaimer.net include:_spf.google.com -all
- anthropic-domain-verification-sa1yss=tEhOYOxGJMSug2TgrKcqA1IAF
- atlassian-domain-verification=5EYAIoF0CwUU1cZ8Xq4HylGPlZAvbDP4JeLEsjYZvIFiBppA6aIu3FnSZowXe9I5
- facebook-domain-verification=97a936or44guugbpuh8vw6qc5x4d3o
- google-site-verification=ak3t8Aosxohg-y3-dXSGIcV-Hiv8IfvO8ujBwcy5AKc
- klaviyo-site-verification=SH8aQb
Full email verification for usafacts.org
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits