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Total

DNS

Email

Security

Network

Availability

Domaintsa.gov

IPv41

IPv62

MX records0

StatusActive

Domain technical report

Access Denied

tsa.gov

Generated: 2026-08-09T00:25:13-05:00 · Cached result

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IPv41

IPv62

MX0

NS2

DiagnosticsMain findings and recommendations

✓

IPv4 (A)30 / 30 pts · Dns

1 IPv4 address(es) detected.

✓

IPv6 (AAAA)10 / 10 pts · Dns

2 IPv6 address(es) detected.

✓

Name server redundancy20 / 20 pts · Dns

2 NS record(s); 2 or more required.

✓

SOA record10 / 10 pts · Dns

Authoritative zone record.

✓

DNSSEC chain15 / 15 pts · Dns

DS and DNSKEY detected.

CAA policy0 / 5 pts · Dns

Certificate authority restriction.

DNS propagation0 / 10 pts · Dns

Agreement between public resolvers.

MX records0 / 20 pts · Mail

0 MX record(s).

✓

SPF25 / 25 pts · Mail

SPF policy published.

✓

DMARC25 / 25 pts · Mail

DMARC policy published.

DKIM0 / 20 pts · Mail

No tested DKIM selector responded.

MTA-STS0 / 5 pts · Mail

Mail transport policy.

TLS-RPT0 / 5 pts · Mail

TLS reporting policy.

✓

Valid TLS certificate55 / 55 pts · Security

183 day(s) remaining.

✓

Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

HTTP security headers4 / 35 pts · Security

1 of 9 evaluated headers detected.

✓

PTR reverse DNS30 / 30 pts · Network

PTR: a23-210-153-6.deploy.static.akamaitechnologies.com

IPv4 diversity20 / 35 pts · Network

Two or more IPv4 addresses receive full points.

✓

IPv6 connectivity35 / 35 pts · Network

AAAA availability.

✓

DNS resolution40 / 40 pts · Availability

At least one address family must resolve.

HTTP response0 / 40 pts · Availability

HTTP/1.1 403 Forbidden

✓

HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

1 record(s)

23.210.153.6

AAAA

2 record(s)

2600:1407:3c00:148f::447a
2600:1407:3c00:148e::447a

CNAME

0 record(s)

—

Not configured

MX

0 record(s)

—

Not configured

TXT

2 record(s)

"v=spf1 -all"
"D74D-252E-8F22-9200-C939-0F4C-4E4F-8FBA"

NS

2 record(s)

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

SOA

1 record(s)

micah.ns.cloudflare.com. dns.cloudflare.com. 2410758757 10000 2400 604800 1800

CAA

0 record(s)

—

Not configured

DS

1 record(s)

2371 13 2 BE4246CEEF17F1BEDB23F21E43CB56931435A030BD76571FF4B67FBE 8E09261A

DNSKEY

2 record(s)

257 3 13 mdsswUyr3DPW132mOi8V9xESWE8jTo0dxCjjnopKl+GqJxpVXckHAeF+ KkxLbxILfDLUT0rAK9iUzy1L53eKGQ==
256 3 13 oJMRESz5E4gYzS/q6XDrvU1qMPYIjCWzJaOau8XNEZeqCYKD5ar0IRd8 KqXXFJkqmVfRvMGPmM1x8fGAa2XhSA==

RRSIG

0 record(s)

—

Not configured

NSEC

1 record(s)

\000.tsa.gov. A NS SOA PTR HINFO MX TXT AAAA LOC SRV NAPTR CERT SSHFP RRSIG NSEC DNSKEY TLSA SMIMEA HIP CDS CDNSKEY OPENPGPKEY SVCB HTTPS URI CAA

NSEC3

0 record(s)

—

Not configured

SRV

0 record(s)

—

Not configured

NAPTR

0 record(s)

—

Not configured

TLSA

0 record(s)

—

Not configured

SSHFP

0 record(s)

—

Not configured

SPF

Configured

v=spf1 -all

DMARC

Configured

v=DMARC1; p=reject; pct=100; rua=mailto:DMARC@hq.dhs.gov, mailto:reports@dmarc.cyber.dhs.gov

DKIM

Not found

—

Not configured

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

Access Denied

Description

Final URL

https://tsa.gov/

HTTP status

403

HTTP

Status

HTTP/1.1 403 Forbidden

Final URL

https://tsa.gov/

Version

Server

AkamaiGHost

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

DigiCert Inc

www3.dhs.gov

Valid from

2026-07-26T19:00:00-05:00

Valid until

2027-02-08T17:59:59-06:00

Days remaining

183

Protocol

TLSv1.3

Cipher

TLS_AES_256_GCM_SHA384

Security headers

1 active

✓

HSTSImplemented

—

Content Security PolicyNot detected

—

X-Content-Type-OptionsNot detected

—

X-Frame-OptionsNot detected

—

Referrer PolicyNot detected

—

Permissions PolicyNot detected

—

Cross-Origin-Opener-PolicyNot detected

—

Cross-Origin-Embedder-PolicyNot detected

—

Cross-Origin-Resource-PolicyNot detected

DNS propagationComparison across public resolvers

Public resolver comparison

Review

Differences detected

5 public resolvers queried.

ResolverServerResultLatency

Google

8.8.8.8

23.210.153.6

58,43 ms

Cloudflare

1.1.1.1

23.210.153.6

26,93 ms

Quad9

9.9.9.9

23.12.25.13

85,43 ms

OpenDNS

208.67.222.222

23.210.153.6

29,31 ms

AdGuard

94.140.14.14

23.207.1.3

45,10 ms

IP, geolocation and ASNAssociated network information

23.210.153.6

No data

success

country

region

city

asn

organization

isp

Visitor information

Visitor

216.73.217.62

reverse

country

country_code

region

city

latitude

longitude

isp

organization

asn

timezone

browser

Other

language

user_agent

Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)

is_bot

Yes

cloudflare

SMTPEmail port connectivity

tsa.gov

Port 25: Closed/unreachable - 0.7 ms - 
Port 465: Closed/unreachable - 4016.7 ms - 
Port 587: Closed/unreachable - 4024.4 ms -

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