y12.doe.gov

Valid Email Server
Domain Lookup › y12.doe.gov
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
y12.doe.gov
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-26 06:08:58 UTC · ↺ Refresh

MX Hostnames

  • mta1.y12.doe.gov
  • mta2.y12.doe.gov
  • mta3.y12.doe.gov

MX Priorities

  • mta1.y12.doe.gov: 10
  • mta2.y12.doe.gov: 10
  • mta3.y12.doe.gov: 10

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

  • 134.167.1.63 ↩ mta1.y12.doe.gov
  • 2620:fa::2011:0:0:0:6 (no PTR)
  • 134.167.1.64 ↩ mta2.y12.doe.gov
  • 2620:fa::2011:0:0:0:7 (no PTR)
  • 134.167.1.65 ↩ mta3.y12.doe.gov
  • 2620:fa::2011:0:0:0:13 (no PTR)

SOA Record

No SOA record found.

Nameservers (NS)

No nameservers found.

SPF Record

✓ Strict (-all)
v=spf1 mx include:_spf.doe.gov ip4:52.61.94.253 ip4:15.200.38.217 ip4:18.252.127.142 ip4:18.252.136.33 ip4:134.167.1.1 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; pct=100; fo=1; rua=mailto:[email protected],mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected],mailto:[email protected]

DKIM Selectors

✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail

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

All TXT Records

4 records
  • KdaVYX8ASQrKQwkEZ2+bwpxuhpVhfqvwQtFWzWWA0lLwNYrCb2iVe1mMrrjK9JnrrK9A9srhI+SI97mYhNs2iA==
  • MS=ms25605026
  • _c50cvv2e1ac6vos5sjvuzogrgktw2jp
  • SPFv=spf1 mx include:_spf.doe.gov ip4:52.61.94.253 ip4:15.200.38.217 ip4:18.252.127.142 ip4:18.252.136.33 ip4:134.167.1.1 -all
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