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69
Total
85
DNS
50
Email
69
Security
85
Network
60
Availability
Domainuscis.gov
IPv41
IPv62
MX records0
StatusActive
Domain technical report

Access Denied

uscis.gov

Generated: 2026-08-08T21:19:22-05:00 · 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.

i
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

i
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/2 403

✓
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

3 record(s)
"v=spf1 -all"
"8ab72acd4d5a42dcb191d093c06c64a3"
"_xq6rt7e8d0ywkcatxj69vx8ahrc4ugl"

NS

2 record(s)
annalise.ns.cloudflare.com.
bruce.ns.cloudflare.com.

SOA

1 record(s)
annalise.ns.cloudflare.com. dns.cloudflare.com. 2411623229 10000 2400 604800 1800

CAA

0 record(s)
—

Not configured

DS

1 record(s)
2371 13 2 3095E1DA005380B2861942F127EAB7EB132C6976EC43B098FF476BDB BEE676CF

DNSKEY

2 record(s)
257 3 13 mdsswUyr3DPW132mOi8V9xESWE8jTo0dxCjjnopKl+GqJxpVXckHAeF+ KkxLbxILfDLUT0rAK9iUzy1L53eKGQ==
256 3 13 oJMRESz5E4gYzS/q6XDrvU1qMPYIjCWzJaOau8XNEZeqCYKD5ar0IRd8 KqXXFJkqmVfRvMGPmM1x8fGAa2XhSA==

RRSIG

5 record(s)
DNSKEY 13 2 3600 20260921011033 20260722011033 2371 uscis.gov. QL3yOLvUwztWJOoQAf7iyCUdobAP+6n0/70a5iZuGNliWAQ1hm+VT2kN 00Gd06WH0aVRVbyYrbde377Tr9Gvcw==
DS 13 2 3600 20260810031911 20260808011911 35496 gov. QZS1CrMhaE6lx9CYiO0CoUzVUmQfSk/xe5Yh8iNz9VagA48hGDAEwuLP 4WdyclPG7YLHG6YWf9ux+wMMVepvig==
NS 13 2 86400 20260810031911 20260808011911 34505 uscis.gov. 8Ht0IK6xFWyBXHq3kv5y9Fc+0amPEzl54VwKI7nsPnANtCPkl+qQD/Uw yqcO1EmngpyEImcChytN5osN0vcnAA==
AAAA 13 2 20 20260810031911 20260808011911 34505 uscis.gov. G9gygv5O90kTSPC7AuOLPJaugWbqrc2krjPsI8EWQUFk3hHlcYbNwxKV 1J5GuQTVXwM6FBDuQ8hkg4iz3K5Rgg==
A 13 2 20 20260810031911 20260808011911 34505 uscis.gov. DTuxqxIXojO+8BYYQKIDY7RuZJuJUB5PQ5vSFOIG3nAwpg7Pat2f8naf k+aEbITNCmTfhCTDFWzo0lTqiwwYOQ==

NSEC

1 record(s)
\000.uscis.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://uscis.gov/
HTTP status
403

HTTP

Status
HTTP/2 403
Final URL
https://uscis.gov/
Version
3
Server
AkamaiGHost
X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
DigiCert Inc
CN
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
48,74 ms
Cloudflare
1.1.1.1
23.210.153.6
40,41 ms
Quad9
9.9.9.9
23.64.172.139
200,58 ms
OpenDNS
208.67.222.222
23.210.153.6
51,80 ms
AdGuard
94.140.14.14
23.1.61.7
57,73 ms

IP, geolocation and ASNAssociated network information

23.210.153.6

No data
success
No
country
region
city
asn
organization
isp

Visitor information

Visitor
ip
216.73.217.62
reverse
country
country_code
region
city
latitude
longitude
isp
organization
asn
timezone
browser
Other
os
Other
language
user_agent
Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
is_bot
Yes
cloudflare
No

SMTPEmail port connectivity

uscis.gov

Port 25: Closed/unreachable - 3.9 ms - 
Port 465: Closed/unreachable - 4002.4 ms - 
Port 587: Closed/unreachable - 4020.8 ms -

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