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73
Total
70
DNS
45
Email
88
Security
35
Network
100
Availability
Domaindata.gov.uk
IPv44
IPv60
MX records5
StatusActive
Domain technical report

National Data Library - The home of UK public data - data.gov.uk

data.gov.uk

Generated: 2026-08-09T03:36:10-05:00 · Cached result

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IPv44
IPv60
MX5
NS8

DiagnosticsMain findings and recommendations

✓
IPv4 (A)30 / 30 pts · Dns

4 IPv4 address(es) detected.

!
IPv6 (AAAA)0 / 10 pts · Dns

0 IPv6 address(es) detected.

✓
Name server redundancy20 / 20 pts · Dns

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

✓
SOA record10 / 10 pts · Dns

Authoritative zone record.

!
DNSSEC chain0 / 15 pts · Dns

Both DS and DNSKEY are required.

!
CAA policy0 / 5 pts · Dns

Certificate authority restriction.

✓
DNS propagation10 / 10 pts · Dns

Agreement between public resolvers.

✓
MX records20 / 20 pts · Mail

5 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

141 day(s) remaining.

✓
Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

i
HTTP security headers23 / 35 pts · Security

6 of 9 evaluated headers detected.

!
PTR reverse DNS0 / 30 pts · Network

PTR not detected.

✓
IPv4 diversity35 / 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/2 200

✓
HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

4 record(s)
151.101.0.144
151.101.64.144
151.101.128.144
151.101.192.144

AAAA

0 record(s)
—

Not configured

CNAME

0 record(s)
—

Not configured

MX

5 record(s)
10 aspmx3.googlemail.com.
5 alt2.aspmx.l.google.com.
1 aspmx.l.google.com.
5 alt1.aspmx.l.google.com.
10 aspmx2.googlemail.com.

TXT

3 record(s)
"vggw3w6lmlzmr02xxkvjs7r3tvz1pdtz"
"v=spf1 include:_spf.google.com include:spf.messagelabs.com ip4:46.43.41.10 ip4:46.43.41.11 ip4:46.43.41.20 ip4:46.43.41.21 ip4:46.43.41.22 ip4:46.43.41.25 -all"
"google-site-verification=sIKL0X5gTWGapDhynm-7FBGkdSRCTRzfBJoVRvAgAd0"

NS

8 record(s)
ns-cloud-b3.googledomains.com.
ns-1795.awsdns-32.co.uk.
ns-1526.awsdns-62.org.
ns-488.awsdns-61.com.
ns-842.awsdns-41.net.
ns-cloud-b2.googledomains.com.
ns-cloud-b1.googledomains.com.
ns-cloud-b4.googledomains.com.

SOA

1 record(s)
ns-1526.awsdns-62.org. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400

CAA

0 record(s)
—

Not configured

DS

0 record(s)
—

Not configured

DNSKEY

0 record(s)
—

Not configured

RRSIG

0 record(s)
—

Not configured

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 include:_spf.google.com include:spf.messagelabs.com ip4:46.43.41.10 ip4:46.43.41.11 ip4:46.43.41.20 ip4:46.43.41.21 ip4:46.43.41.22 ip4:46.43.41.25 -all

DMARC

Not configured
—

Not configured

DKIM

Not found
—

Not configured

Analyzed webpageMetadata and HTTP response

Title and description

Extracted
Title
National Data Library - The home of UK public data - data.gov.uk
Description
Final URL
https://www.data.gov.uk/
HTTP status
206

HTTP

Status
HTTP/2 200
Final URL
https://www.data.gov.uk/
Version
3
Server
gunicorn
X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
GlobalSign nv-sa
CN
www.gov.uk
Valid from
2025-11-26T16:06:15-06:00
Valid until
2026-12-28T16:06:14-06:00
Days remaining
141
Protocol
TLSv1.3
Cipher
TLS_AES_128_GCM_SHA256

Security headers

6 active
✓
HSTSImplemented
✓
Content Security PolicyImplemented
✓
X-Content-Type-OptionsImplemented
✓
X-Frame-OptionsImplemented
✓
Referrer PolicyImplemented
—
Permissions PolicyNot detected
✓
Cross-Origin-Opener-PolicyImplemented
—
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
151.101.0.144, 151.101.128.144, 151.101.192.144, 151.101.64.144
99,82 ms
Cloudflare
1.1.1.1
151.101.0.144, 151.101.128.144, 151.101.192.144, 151.101.64.144
52,55 ms
Quad9
9.9.9.9
151.101.0.144, 151.101.128.144, 151.101.192.144, 151.101.64.144
66,33 ms
OpenDNS
208.67.222.222
151.101.0.144, 151.101.128.144, 151.101.192.144, 151.101.64.144
63,70 ms
AdGuard
94.140.14.14
151.101.0.144, 151.101.128.144, 151.101.192.144, 151.101.64.144
535,25 ms

IP, geolocation and ASNAssociated network information

151.101.0.144

No data
success
No
country
region
city
asn
organization
isp

151.101.64.144

No data
success
No
country
region
city
asn
organization
isp

151.101.128.144

No data
success
No
country
region
city
asn
organization
isp

151.101.192.144

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

aspmx3.googlemail.com

Port 25: Closed/unreachable - 1.2 ms - 
Port 465: Closed/unreachable - 4006.7 ms - 
Port 587: Closed/unreachable - 4005.4 ms -

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