Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
commerce.gov
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 08:12:55 UTC · ↺ Refresh
MX Hostnames
- commerce-gov.mail.protection.outlook.com
MX Priorities
- commerce-gov.mail.protection.outlook.com: 0
A / AAAA Records
- 172.65.90.27 (no PTR)
- 172.65.90.24 (no PTR)
- 172.65.90.26
- 172.65.90.25
- 2606:4700:78::90:0:181
- 2606:4700:78::90:0:180
- 2606:4700:78::90:0:182
- 2606:4700:78::90:0:183
Mail Server IPs
- 52.101.8.52 ↩ mail-ds0pr09cu00104.inbound.protection.outlook.com
- 52.101.8.50 ↩ mail-dm6pr09cu00202.inbound.protection.outlook.com
- 52.101.11.12 ↩ mail-sa9pr09cu00104.inbound.protection.outlook.com
- 52.101.9.19 ↩ mail-blapr09cu00103.inbound.protection.outlook.com
- 2a01:111:f403:f90e::1 ↩ mail-sa9pr09cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f900::1 ↩ mail-blapr09cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f904::1 ↩ mail-ds0pr09cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f904:: ↩ mail-dm6pr09cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
cecelia.ns.cloudflare.com dns.cloudflare.com 2400464196 10000 2400 604800 1800
Primary NS (mname)
cecelia.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400464196
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
max.ns.cloudflare.com
cecelia.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com a:smtp.doc.gov a:smtp2.doc.gov -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=1; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
default._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
4 records- facebook-domain-verification=9s3vurhdixp6r3yxxemmaf8xw2n63c
- SPFv=spf1 include:spf.protection.outlook.com a:smtp.doc.gov a:smtp2.doc.gov -all
- MS=ms75626640
- _zb3aledqhchldnva303amx88nr2ukp1
Full email verification for commerce.gov
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