Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
nist.gov
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-30 02:02:54 UTC · ↺ Refresh
MX Hostnames
- nist-gov.mail.protection.outlook.com
MX Priorities
- nist-gov.mail.protection.outlook.com: 0
A / AAAA Records
- 172.65.90.26 (no PTR)
- 172.65.90.24 (no PTR)
- 172.65.90.25
- 172.65.90.27
- 2606:4700:78::90:0:183
- 2606:4700:78::90:0:180
- 2606:4700:78::90:0:181
- 2606:4700:78::90:0:182
Mail Server IPs
- 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
- 52.101.8.52 ↩ mail-ds0pr09cu00104.inbound.protection.outlook.com
- 2a01:111:f403:f90e::1 ↩ mail-sa9pr09cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f900::1 ↩ mail-blapr09cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f904:: ↩ mail-dm6pr09cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f904::1 ↩ mail-ds0pr09cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
gold.foundationdns.com dns.cloudflare.com 2400205878 10000 2400 604800 1800
Primary NS (mname)
gold.foundationdns.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400205878
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
gold.foundationdns.com
gold.foundationdns.net
gold.foundationdns.org
SPF Record
✓ Strict (-all)
v=spf1 include:_spf1.nist.gov include:_spf2.nist.gov -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected],mailto:[email protected], 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], mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
10 records- _hie8b7uqvafayfkdb47ag5t5up1nxbb
- atlassian-domain-verification=xVa84aCbqa1pJZZdpB0gGm0ZNukDUU4TBzccNbFkyozIg3QXHaufaQaczvEDG3Jp
- box-domain-verification=4d49553685eee3edbcf58b736eb4c42febff4e1741da8db3098f2bb3d161d90f
- cisco-ci-domain-verification=1b1e68d4cf0e84478115596723f00e17a848c659bb11f53b58f8f2cd84b7e111
- google-site-verification=oJSFVUoM3RN44bzuiI9F3qWzWxTqmrawzMycAD_NUcY
- jamf-site-verification=Sr15KQEdTRZZXqaxbFaFQw
- openai-domain-verification=dv-c6PoDbyJ7cgfcpT2sCl4IrBD
- perplexity-ai-domain-verification-nhwpq4=pka4WCw0WTTo6a1V8GzEWeGyv
- SPFv=spf1 include:_spf1.nist.gov include:_spf2.nist.gov -all
- MS=ms22398849
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