sd.mil

Valid Email Server
Domain Lookup › sd.mil

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
sd.mil
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-21 02:20:07 UTC · ↺ Refresh

MX Hostnames

  • mailgw02.sd.mil
  • mailgw01s1.sd.mil
  • mailgw01.sd.mil
  • mailgw02s1.sd.mil

MX Priorities

  • mailgw01s1.sd.mil: 50
  • mailgw02s1.sd.mil: 50
  • mailgw01.sd.mil: 10
  • mailgw02.sd.mil: 10

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

  • 130.16.71.22 ↩ mailgw01s1.sd.mil
  • 130.16.71.23 ↩ mailgw02s1.sd.mil
  • 214.16.65.20 ↩ mailgw01.sd.mil
  • 214.16.65.21 ↩ mailgw02.sd.mil

SOA Record

Raw SOA dns-mas-a1-t.pentagon.mil osd\.pentagon\.jsp\.list\.core-dns.mail.mil 2009027569 900 90 2592000 3600
Primary NS (mname)
dns-mas-a1-t.pentagon.mil
Admin Email (rname)
osd\@pentagon\.jsp\.list\.core-dns.mail.mil
Serial
2009027569
Refresh
900s
Retry
90s
Expire
2592000s
Minimum TTL
3600s

Nameservers (NS)

dns-pub-f3-u.pentagon.mil
dns-pub-f2-u.pentagon.mil
dns-pub-f1-u.pentagon.mil

SPF Record

✓ Soft Fail (~all)
v=spf1 +ip4:214.16.65.20 +ip4:214.16.65.21 +ip4:130.16.71.22 +ip4:130.16.71.23 include:_spf.eemsg.mail.mil ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; sp=reject; rua=mailto:[email protected],mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: reject

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

3 records
  • MS=ms10263032
  • SPFv=spf1 +ip4:214.16.65.20 +ip4:214.16.65.21 +ip4:130.16.71.22 +ip4:130.16.71.23 include:_spf.eemsg.mail.mil ~all
  • v=spf2.0/pra +ip4:214.16.65.20 +ip4:214.16.65.21 +ip4:130.16.71.22 +ip4:130.16.71.23 include:_spf.eemsg.mail.mil ~all
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