nps.gov

Valid Email Server
Domain Lookup › nps.gov

Domain Overview

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

Checked via [email protected] · 2026-03-21 01:12:55 UTC · ↺ Refresh

MX Hostnames

  • nps-gov.mail.protection.outlook.com

MX Priorities

  • nps-gov.mail.protection.outlook.com: 10

A / AAAA Records

  • 52.6.8.53 ↩ ec2-52-6-8-53.compute-1.amazonaws.com
  • 2600:9000:20aa::1:983:9400:93a1 (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
  • 52.101.9.19 ↩ mail-blapr09cu00103.inbound.protection.outlook.com
  • 52.101.8.50 ↩ mail-dm6pr09cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:f90e::1 ↩ mail-sa9pr09cu00101.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
  • 2a01:111:f403:f900::1 ↩ mail-blapr09cu00101.inbound.protection.outlook.com

SOA Record

Raw SOA ivan.ns.cloudflare.com dns.cloudflare.com 2399350469 10000 2400 604800 1800
Primary NS (mname)
ivan.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399350469
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

lucy.ns.cloudflare.com
ivan.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:96.127.113.23 include:_spf.nps.gov include:servers.mcsv.net -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1;p=reject;rua=mailto:[email protected],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

✓ 4 found
mail._domainkey
k1._domainkey
s1._domainkey
s2._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

10 records
  • v9dbhp24qqi18t453kofoa17um
  • SPFv=spf1 ip4:96.127.113.23 include:_spf.nps.gov include:servers.mcsv.net -all
  • 334fjub5l60gouiv36ot0f4fr8
  • BEAA-1797-3015-58D3-FA87-9BD8-3ADE-179B
  • MS=ms12791101
  • _qbssbwgpkm46pn8gif4416ijhafqg85
  • adobe-idp-site-verification=0c06fad3-cf1c-4e40-8ec6-2507879c946e
  • adobe-sign-verification=ccc5d4bbde3e1c62a31238fd7983103730f30c32145a4ae2fe71264bbd3874ef
  • amazonses:72aXC5OVEkJqI109ds3EEaNByQb/SclYLq+pIp+JWz0=
  • k3x1fbzs2816tkxpg3c76qky6c7s2x4v
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