Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dot.gov
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-22 22:45:49 UTC · ↺ Refresh
MX Hostnames
- dot-gov.mail.protection.outlook.com
MX Priorities
- dot-gov.mail.protection.outlook.com: 1
A / AAAA Records
- 204.68.196.12 (no PTR)
Mail Server IPs
- 52.101.8.52 ↩ mail-ds0pr09cu00104.inbound.protection.outlook.com
- 52.101.11.12 ↩ mail-sa9pr09cu00104.inbound.protection.outlook.com
- 52.101.8.50 ↩ mail-dm6pr09cu00202.inbound.protection.outlook.com
- 52.101.9.19 ↩ mail-blapr09cu00103.inbound.protection.outlook.com
SOA Record
Raw SOA
dot-dca-edns-wz01.idn.dot.gov hostmaster.dot.gov 2011219429 3600 360 604800 300
Primary NS (mname)
dot-dca-edns-wz01.idn.dot.gov
Admin Email (rname)
hostmaster@dot.gov
Serial
2011219429
Refresh
3600s
Retry
360s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
a14-64.akam.net
a11-65.akam.net
a12-64.akam.net
a1-97.akam.net
a5-65.akam.net
a24-64.akam.net
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx include:spf.protection.outlook.com include:_spf.salesforce.com include:cust-spf.exacttarget.com include:_ip4spf.dot.gov include:_spgranicus.dot.gov include:_spf.google.com ip6:2001:19e8:d:0:204:68:194:50 ip6:2001:19e8:d4:0:204:152:44:20 ip6:2001:19e8:d:0:204:68:194:52 ip6:2001:19e8:d:0:204:68:194:51 ip6:2001:19e8:d4:0:204:152:44:21 ip6:2001:19e8:d:0:204:68:194:53 ~all
📊 DNS lookups: 8/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject; pct=100; fo=1; rf=afrf; ri=43200; 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]
↳ Subdomain policy: reject
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
12 records- _b926kcembsrd2ek4cyba1ndl3hxblnl
- 3fx51jzw0dcc5bvwmtn1lz021gz2qhxm
- MS=ms26367269
- aD54BF4xtfbU/hK9XqwemHvFwIn923rLW9oa7aMjSaPGDlHKtKF3KnhepkTeYsLuEMdOVuO3RDo/IH6gJpM+kQ==
- 6gs1vs2jzkd4ky3dcndfdmcf21ddxj0p
- _uuvrnzshx0botn6f76i2xdbcdmskkni
- SPFv=spf1 a mx include:spf.protection.outlook.com include:_spf.salesforce.com include:cust-spf.exacttarget.com include:_ip4spf.dot.gov include:_spgranicus.dot.gov include:_spf.google.com ip6:2001:19e8:d:0:204:68:194:50 ip6:2001:19e8:d4:0:204:152:44:20 ip6:2001:19e8:d:0:204:68:194:52 ip6:2001:19e8:d:0:204:68:194:51 ip6:2001:19e8:d4:0:204:152:44:21 ip6:2001:19e8:d:0:204:68:194:53 ~all
- apple-domain-verification=HT8c9nRGfnIu6NCJ
- paloaltonetworks-site-verification=260148d548b261d1e519e88fe9950c5798d6523cd3b8f5017afdf67f6afca87f
- _fvsc84ser6lko7ohn62zgqkvcq85gp8
- fj6d6z3qvchx0ld3t4c67zqvjf7hqn0b
- DvJkvb1Hi8onaHmhg9wO0TuoOcYFUoPXwshxGuB5Vqf1uE/T+YJfJvWGLSh3gatzXD12xt3ODFXl8Xs2+jCstw==
Full email verification for dot.gov
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits