tsa.gov

No Valid Email Server
Domain Lookup › tsa.gov

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
tsa.gov
No
None
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-04-01 01:30:26 UTC · ↺ Refresh

MX Hostnames

No MX records found.

MX Priorities

No priority data.

A / AAAA Records

  • 23.207.1.3 ↩ a23-207-1-3.deploy.static.akamaitechnologies.com
  • 2600:141b:1c00:d99::447a ↩ g2600-141b-1c00-0d99-0000-0000-0000-447a.deploy.static.akamaitechnologies.com
  • 2600:141b:1c00:d91::447a ↩ g2600-141b-1c00-0d91-0000-0000-0000-447a.deploy.static.akamaitechnologies.com

Mail Server IPs

No IPs resolved.

SOA Record

Raw SOA micah.ns.cloudflare.com dns.cloudflare.com 2400476512 10000 2400 604800 1800
Primary NS (mname)
micah.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400476512
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

micah.ns.cloudflare.com
zita.ns.cloudflare.com

SPF Record

✗ Invalid
v=spf1 -all
📊 DNS lookups: 0/10
⚠ Strict -all with no allowed senders — no servers can send email for this domain.

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

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

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

All TXT Records

2 records
  • D74D-252E-8F22-9200-C939-0F4C-4E4F-8FBA
  • SPFv=spf1 -all
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