Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
usnr.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-25 16:50:03 UTC · ↺ Refresh
MX Hostnames
- usnr-com.mail.protection.outlook.com
MX Priorities
- usnr-com.mail.protection.outlook.com: 10
A / AAAA Records
- 13.91.109.162 (no PTR)
Mail Server IPs
- 52.101.10.6 ↩ mail-bn1pr21cu00106.inbound.protection.outlook.com
- 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
- 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
- 52.101.8.44 ↩ mail-dm5pr04cu00104.inbound.protection.outlook.com
- 2a01:111:f403:c91d::a ↩ mail-co1pr21cu00202.inbound.protection.outlook.com
- 2a01:111:f403:f903:: (no PTR)
- 2a01:111:f403:f908::1 ↩ mail-bn1pr04cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f802:: ↩ mail-byapr05cu00400.inbound.protection.outlook.com
SOA Record
Raw SOA
a.portsdns.se registry.ports.net 2026021300 14400 3600 1814400 3600
Primary NS (mname)
a.portsdns.se
Admin Email (rname)
registry@ports.net
Serial
2026021300
Refresh
14400s
Retry
3600s
Expire
1814400s
Minimum TTL
3600s
Nameservers (NS)
b.portsdns.net
a.portsdns.se
SPF Record
✓ Strict (-all)
v=spf1 ip4:34.193.158.21 ip4:34.202.133.138 ip4:34.235.164.173 ip4:168.245.10.246 IP4:50.145.212.2 a:mail.usnr.com include:_spf.psm.knowbe4.com include:spf.protection.outlook.com include:customers.clickdimensions.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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- SPFv=spf1 ip4:34.193.158.21 ip4:34.202.133.138 ip4:34.235.164.173 ip4:168.245.10.246 IP4:50.145.212.2 a:mail.usnr.com include:_spf.psm.knowbe4.com include:spf.protection.outlook.com include:customers.clickdimensions.com -all
- nordpass-domain-verification=4811431b033142ad9b95eee5c794c94e
- google-site-verification=YavrQ7hfwaIWkZ8kGThaxrFHJlwekEAWaTou3vsGL24
- google-site-verification=N5a-kw8jevvG1vMfHpHb59nmiBA77ReKuLxgmVH-Z-w
- cisco-ci-domain-verification=6ba1d5a0437f3d20d2bab0b90bf08f36fef2124b55d6688c4525a84d893274c3
- bw=CxYDjNF9h5hW4HA/0FK7PEJb3L23bUFca156V8ZgHJ7y
- b0W26TdebOtxfm5aFvWsFWNWwUmv4DKxN2f5iVwp26L6weOzZdr2D86mDvA28xMhTWVKUDMKVKs1hYA62/Vdkg==
- _jxib90wkd9acmbs8g32o139ud9t9nw2
Full email verification for usnr.com
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