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Total

DNS

Email

Security

Network

100

Availability

Domaingb.net

IPv41

IPv60

MX records1

StatusActive

Domain technical report

.GB.NET | A Professional Domain for Great Britain

gb.net

Establish your brand in Great Britain with .GB.NET—an unrestricted, globally accessible domain. Premium availability, British relevance, and no limits. Get your .GB.NET today!

Generated: 2026-08-08T20:49:56-05:00 · Cached result

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IPv41

IPv60

MX1

NS4

DiagnosticsMain findings and recommendations

✓

IPv4 (A)30 / 30 pts · Dns

1 IPv4 address(es) detected.

IPv6 (AAAA)0 / 10 pts · Dns

0 IPv6 address(es) detected.

✓

Name server redundancy20 / 20 pts · Dns

4 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 propagation10 / 10 pts · Dns

Agreement between public resolvers.

✓

MX records20 / 20 pts · Mail

1 MX record(s).

✓

SPF25 / 25 pts · Mail

SPF policy published.

DMARC0 / 25 pts · Mail

DMARC policy not found.

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

47 day(s) remaining.

✓

Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

HTTP security headers0 / 35 pts · Security

0 of 9 evaluated headers detected.

✓

PTR reverse DNS30 / 30 pts · Network

PTR: ec2-54-153-56-183.us-west-1.compute.amazonaws.com

IPv4 diversity20 / 35 pts · Network

Two or more IPv4 addresses receive full points.

IPv6 connectivity0 / 35 pts · Network

AAAA availability.

✓

DNS resolution40 / 40 pts · Availability

At least one address family must resolve.

✓

HTTP response40 / 40 pts · Availability

HTTP/1.1 200 OK

✓

HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

1 record(s)

54.153.56.183

AAAA

0 record(s)

—

Not configured

CNAME

0 record(s)

—

Not configured

MX

1 record(s)

0 .

TXT

3 record(s)

"C0E0N41352"
"v=spf1 -all"
"google-site-verification=VDpQjiESgzXGhVAO8AhrlP4Xh9RRrucggUB-rICaEkA"

NS

4 record(s)

ns2.centralnic.net.
ns1.centralnic.net.
ns3.centralnic.net.
ns4.centralnic.net.

SOA

1 record(s)

ns0.centralnic.net. hostmaster.centralnic.net. 3000548431 900 1800 6048000 3600

CAA

0 record(s)

—

Not configured

DS

3 record(s)

530 7 2 D7C2F56B0FC061402676350F0A32A677427C2BC9535F433E1B1DF116 701BFCE0
530 7 1 98410317F40BBFDCF1CF646ADD0BBF7529A50972
37975 7 2 7AE9CC791BED61DC6B80B82D4A790DB002BCF4F4308CFB31EFF94630 3064107D

DNSKEY

2 record(s)

256 3 7 AwEAAd8MdG3DcYBNjoAfJNRfKiYdKJrfyVB+4EDUuM7ee6eBGseuHMo7 1hr0yuKtLzeqbNctRoZ6WZ7hfpk6vlA8NLPMbn2cn43hwNUFwnLp+7Tj HfmcFvvS9gzvwRXCSZGyYh7w9BC824lyEJd9jiayanlPY+q8sllu+Tmx TC40skOf
257 3 7 AwEAAbPiZRyEd0MN5yGmH8k6R/Xt1muKc7jhqOM1Wlpjnc1cNnqmSLIy amRagGi9KrAOQpl75lvBXNggUMUvVXowWm/DflSIKFatArhOcR0uS6Me 7wzYkqMBlGgm79jQPVmKCOoUihl+eZPJWjIsvuhXmYwtnPnoy8KeAT48 PH2pgpRqWymbSCzXGDV6maKIXaQDuyvXYMGbd9nmqtqdE4fD6jTwmTjG Rmek/9E8eBGl73SJMO+cNaaff7wPrlFZLooH4qopEyspWgPNH4inNX+h xkXJXK1KwcrhQ3VF3p99Lksihlq4mNvIML5P73rEIWhJlNXW5BoQYKud 1TYIQJSG9lM=

RRSIG

4 record(s)

A 7 2 3600 20260822101708 20260723084708 56114 gb.net. h0T/2a8yIh7ksfFmIKZBC6Lk7aS2jWlmZPhM6qUjYoPNnvz0CNKxR5Lk OoFMiaoufuPNDYO2l32AKIXpLjnRACT++pj14HpVHg00j0M0NWYD8PBY MSJ41NreIqPwM6ZYH2vL8bu+pKdzGjQ7ytDeMcuffzXRLv6e6g0ES5Z4 Tu8=
TXT 7 2 3600 20260822101708 20260723084708 56114 gb.net. RmWR/BKJt/fNqwq9U38egVKw/UUvQ085myhTul2dBMUfCoDh2kuEzxEd co4CXfJHTh4idQztXc2v7cbtj6Vnvoz/ynlolCBXC6eGj9jf3JhKzeSp 3mf9Tupqd9r+6b2MVa5OJOoYkIxxUwfC+pNigq2PZCv/PJROX90YorBy kvY=
MX 7 2 3600 20260822101708 20260723084708 56114 gb.net. 17ndKHhV2ec1SXzl4BIjpzcm4r0UgyNXUEW83yb5MrS7KI1rhK2UnrQX OB+rvhJcsb2Np/LTLq9U8OzySD25wQKfjg5xRj4QanzU8LLZ+d0riDtn 0+/VIusY5bvHczTAm7R8OLbpshLkFaUglXLFUS7JiG9eENdMzETnnVh3 ehc=
DS 13 2 86400 20260814033337 20260807022337 7272 net. jEEIH22F/MRWKTrocbjEOMtyl2KgNdcMFOKHIC8Lx+4qSNANl2sewckI Q8HnVRka5G+uTKR7kd831Etqviq1sw==

NSEC

0 record(s)

—

Not configured

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

Not configured

—

Not configured

DKIM

Not found

—

Not configured

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

.GB.NET | A Professional Domain for Great Britain

Description

Establish your brand in Great Britain with .GB.NET—an unrestricted, globally accessible domain. Premium availability, British relevance, and no limits. Get your .GB.NET today!

Final URL

https://gb.net/

HTTP status

200

HTTP

Status

HTTP/1.1 200 OK

Final URL

https://gb.net/

Version

Server

nginx

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

Let's Encrypt

gb.net

Valid from

2026-06-26T22:16:55-05:00

Valid until

2026-09-24T22:16:54-05:00

Days remaining

Protocol

TLSv1.3

Cipher

TLS_AES_256_GCM_SHA384

Security headers

0 active

—

HSTSNot detected

—

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

Consistent

✓

Consistent propagation

5 public resolvers queried.

ResolverServerResultLatency

Google

8.8.8.8

54.153.56.183

80,74 ms

Cloudflare

1.1.1.1

54.153.56.183

108,74 ms

Quad9

9.9.9.9

54.153.56.183

79,95 ms

OpenDNS

208.67.222.222

54.153.56.183

59,43 ms

AdGuard

94.140.14.14

54.153.56.183

62,26 ms

IP, geolocation and ASNAssociated network information

54.153.56.183

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

gb.net

Port 25: Closed/unreachable - 0.8 ms - 
Port 465: Closed/unreachable - 4046.1 ms - 
Port 587: Closed/unreachable - 4020.9 ms -

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