Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cor.gov
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-02 21:10:54 UTC · ↺ Refresh
MX Hostnames
- cor-gov.mail.protection.outlook.com
MX Priorities
- cor-gov.mail.protection.outlook.com: 0
A / AAAA Records
- 198.17.195.3 ↩ harcourt.cor.net
Mail Server IPs
- 52.101.9.19 ↩ mail-blapr09cu00103.inbound.protection.outlook.com
- 52.101.11.12 ↩ mail-sa9pr09cu00104.inbound.protection.outlook.com
- 52.101.8.52 ↩ mail-ds0pr09cu00104.inbound.protection.outlook.com
- 52.101.8.50 ↩ mail-dm6pr09cu00202.inbound.protection.outlook.com
- 2a01:111:f403:f900::1 ↩ mail-blapr09cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f904:: ↩ mail-dm6pr09cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f90e::1 ↩ mail-sa9pr09cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f904::1 ↩ mail-ds0pr09cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
seton.cor.net brian.cor.gov 2026030601 86400 7200 3600000 172800
Primary NS (mname)
seton.cor.net
Admin Email (rname)
brian@cor.gov
Serial
2026030601
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
172800s
Nameservers (NS)
hilcourt.cor.net
seton.cor.net
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:198.17.195.25 include:transmail.net ip4:52.124.61.0/24 ip4:198.49.23.144 ip4:198.49.23.145 ip4:198.185.159.144 ip4:198.185.159.145 ip4:15.197.175.4 ip4:76.223.125.47 include:spf.protection.outlook.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; pct=100; rua=mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
10 records- SPFv=spf1 ip4:198.17.195.25 include:transmail.net ip4:52.124.61.0/24 ip4:198.49.23.144 ip4:198.49.23.145 ip4:198.185.159.144 ip4:198.185.159.145 ip4:15.197.175.4 ip4:76.223.125.47 include:spf.protection.outlook.com ~all
- MS=ms44341185
- cisco-ci-domain-verification=71368fe86eff3be9f4b0fb53329d9e4a77952606c97a35f0b4772a82d5e84d3c
- 3f151054690747c8ebe54387a75b2416
- MS=ms50755925
- MS=ms91791110
- duo_sso_verification=OwblKPo6BWX1FIwOkSZQijKQJUsVfGw6DS8ifSm7krNdhDrT33knymHjXYBnp2uC
- cisco-ci-domain-verification=7eb7781f4e6056cdc6712e6b020914a7c41244774b2fb01d053d2a00b4066367
- apple-domain-verification=zvydvT31WGL4WDVT
- cisco-ci-domain-verification=569eac4048fa14ab4b66d5214ddaba3d6323c9041424c62c893c7425f529e14c
Full email verification for cor.gov
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits