Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cisa.gov
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-29 07:44:13 UTC · ↺ Refresh
MX Hostnames
- mxb-00376703.gslb.gpphosted.com
- mxa-00376703.gslb.gpphosted.com
MX Priorities
- mxb-00376703.gslb.gpphosted.com: 10
- mxa-00376703.gslb.gpphosted.com: 10
A / AAAA Records
- 23.207.5.105 ↩ a23-207-5-105.deploy.static.akamaitechnologies.com
- 2600:141b:1c00:4a1::3ff9 ↩ g2600-141b-1c00-04a1-0000-0000-0000-3ff9.deploy.static.akamaitechnologies.com
- 2600:141b:1c00:49d::3ff9 ↩ g2600-141b-1c00-049d-0000-0000-0000-3ff9.deploy.static.akamaitechnologies.com
Mail Server IPs
- 67.231.155.98 ↩ mx0f-00376703.gpphosted.com
SOA Record
Raw SOA
blue.foundationdns.com dns.cloudflare.com 2399022624 10000 2400 604800 1800
Primary NS (mname)
blue.foundationdns.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399022624
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
blue.foundationdns.com
blue.foundationdns.net
blue.foundationdns.org
SPF Record
✓ Strict (-all)
v=spf1 include:spf.dhs.gov include:spf.protection.outlook.com include:spf-00376703.gpphosted.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected], mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → 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
13 records- f188eb27-a746-4aa8-b160-eb68b0aab05d
- google-site-verification=BNRBfY90BM54Mf_pgL4Eg07IkwbGvq5nsdZCOYadDlM
- google-site-verification=wsLVyeZYgv0NLikdmfm2m3XPP-986Ylo8XxUkrjIOvA
- SPFv=spf1 include:spf.dhs.gov include:spf.protection.outlook.com include:spf-00376703.gpphosted.com -all
- MS=ms36056523
- MS=ms41452370
- MS=ms53160703
- _e01yoinuk3n6xrtnc8q3m9bdjyihdd7
- _rr8gice4wv589e4uxop5zqhh6gbqh32
- _tufdw17aa2wht723upz8w56htpvpgkw
- adobe-idp-site-verification=edfd88b4c2bdf65395c78b55da3580466eefa9aa874d5bcfb853692813e80515
- censys-domain-verification=kSZxqevdrY_nf9ogHWhuUq2O39C9Lkj-pSfnrCzSOVxO
- censys-domain-verification=oCKV9OzJ1EtsMPZGDfdkccVF2WRuGqmhhozTHjaNAsvH
Full email verification for cisa.gov
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