cms.gov

Valid Email Server
Domain Lookup › cms.gov

Domain Overview

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

Checked via [email protected] · 2026-03-26 05:57:46 UTC · ↺ Refresh

MX Hostnames

  • primary.us.etp.fireeyegov.com
  • alt3.us.etp.fireeyegov.com
  • alt1.us.etp.fireeyegov.com
  • alt2.us.etp.fireeyegov.com

MX Priorities

  • alt1.us.etp.fireeyegov.com: 20
  • alt2.us.etp.fireeyegov.com: 30
  • alt3.us.etp.fireeyegov.com: 40
  • primary.us.etp.fireeyegov.com: 10

A / AAAA Records

  • 2.23.137.107 ↩ a2-23-137-107.deploy.static.akamaitechnologies.com
  • 2600:141b:1c00:2287::28a ↩ g2600-141b-1c00-2287-0000-0000-0000-028a.deploy.static.akamaitechnologies.com
  • 2600:141b:1c00:228b::28a ↩ g2600-141b-1c00-228b-0000-0000-0000-028a.deploy.static.akamaitechnologies.com

Mail Server IPs

  • 15.200.32.6 ↩ mta-hfpw1ne.email.us.etp.fireeyegov.com
  • 15.200.32.4 ↩ mta-pswhniu.email.us.etp.fireeyegov.com
  • 15.200.32.5 ↩ mta-k1cz7zl.email.us.etp.fireeyegov.com

SOA Record

Raw SOA usw2.akam.net hostmaster.akamai.com 1561870346 300 30 604800 900
Primary NS (mname)
usw2.akam.net
Admin Email (rname)
hostmaster@akamai.com
Serial
1561870346
Refresh
300s
Retry
30s
Expire
604800s
Minimum TTL
900s

Nameservers (NS)

a3-66.akam.net
a13-64.akam.net
a24-65.akam.net
a10-67.akam.net
a8-67.akam.net
a1-86.akam.net

SPF Record

✓ Strict (-all)
v=spf1 ip4:15.200.33.0/24 ip4:15.200.32.0/24 ip4:63.88.93.240/28 ip4:158.72.139.19 ip4:158.72.139.19 ip4:146.123.140.0/26 ip4:199.255.192.0/22 ip4:199.127.232.0/22 ip4:54.240.0.0/18 ip4:104.152.72.100 ip4:158.70.144.146 ip4:65.213.206.111 ip4:65.213.206.112 ip4:65.213.206.113 ip4:208.250.57.111 ip4:208.250.57.112 ip4:208.250.57.113 include:_spf.google.com include:spf.protection.outlook.com include:mail.sandbox2.idp.idm.cms.gov include:_spf.qemailserver.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; fo=1; ri=3600; 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

✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1

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

All TXT Records

20 records
  • webexdomainverification.KR4G=d2e70405-10af-4863-bc64-388ca30ea4d4
  • webexdomainverification.3MUBG=00360c1a-741f-4d9f-983a-55d0a63cdc92
  • ed5vo0xgnd
  • MS=ms27639832
  • google-site-verification=yuNrclUiclwAtByggN3Jae8WgxDsb6CjtRpPD-EPjXY
  • SPFv=spf1 ip4:15.200.33.0/24 ip4:15.200.32.0/24 ip4:63.88.93.240/28 ip4:158.72.139.19 ip4:158.72.139.19 ip4:146.123.140.0/26 ip4:199.255.192.0/22 ip4:199.127.232.0/22 ip4:54.240.0.0/18 ip4:104.152.72.100 ip4:158.70.144.146 ip4:65.213.206.111 ip4:65.213.206.112 ip4:65.213.206.113 ip4:208.250.57.111 ip4:208.250.57.112 ip4:208.250.57.113 include:_spf.google.com include:spf.protection.outlook.com include:mail.sandbox2.idp.idm.cms.gov include:_spf.qemailserver.com -all
  • webexdomainverification.3MUDJ=0d5d8346-7f34-4cc3-84c1-28f4eb80829f
  • _qm4av6bzsp5uujahwa11fsttdhvxzv9
  • G7+0noMBL6fSl8UVSBtZmj35+02tBOTulPKWucrYjkLJFMZz21/GxFxVzTMDYCjNXRIdENxZHifEHLds5FEU4A==
  • webexdomainverification.KR4B=358c3255-c680-4387-b8f3-38a73619240e
  • identrust_validate=JDXQyrvdi4u4csBVW53QJrn58NGFNML/YX9w8UtRx3WF
  • google-site-verification=sMIzpCg2oaPmasINAKfMmE9mOmdZRxL0myxnvSlIUOk
  • ciscocidomainverification=f1d51662d07e32cdf508fe2103f9060ac5ba2f9efeaa79274003d12d0a9a745
  • identrust_validate=t41124Xnt5NJgr+E8ne/qqL2LpycASgSenCxnQdzssO4
  • webexdomainverification.KR46=1f876bb9-300d-49ad-bf2b-74b544bc5efa
  • google-site-verification=MdcB5nKEy-LwlvUBhBoh3YTH01HW1OZNszN9b-C4HV8
  • MS=ms59622794
  • webexdomainverification.KR41=b9eafa45-e96e-4b68-a167-4740e31ccd75
  • identrust_validate=3RmnW/hkqKXUGdB9rQVSUxgwI6kLD3XsbHJh0jZyq2n/
  • identrust_validate=UUQCTX9hak2EePyL9SYBOliViCCAiRhPmlyycwfCy/o8
Full email verification for cms.gov

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits