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83
Total
70
DNS
90
Email
81
Security
65
Network
100
Availability
Domainstpauls.co.uk
IPv43
IPv60
MX records4
StatusActive
Domain technical report

St Paul's Cathedral | St Paul's Cathedral

stpauls.co.uk

Generated: 2026-08-12T15:57:32-05:00 · Cached result

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IPv43
IPv60
MX4
NS2

DiagnosticsMain findings and recommendations

✓
IPv4 (A)30 / 30 pts · Dns

3 IPv4 address(es) detected.

!
IPv6 (AAAA)0 / 10 pts · Dns

0 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 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

4 MX record(s).

✓
SPF25 / 25 pts · Mail

SPF policy published.

✓
DMARC25 / 25 pts · Mail

DMARC policy published.

✓
DKIM20 / 20 pts · Mail

A DKIM selector was verified.

!
MTA-STS0 / 5 pts · Mail

Mail transport policy.

!
TLS-RPT0 / 5 pts · Mail

TLS reporting policy.

✓
Valid TLS certificate55 / 55 pts · Security

196 day(s) remaining.

✓
Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

i
HTTP security headers16 / 35 pts · Security

4 of 9 evaluated headers detected.

✓
PTR reverse DNS30 / 30 pts · Network

PTR: redirects4.eu-west-2.bigbluedoor.net

✓
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

3 record(s)
18.168.126.88
3.11.71.182
3.8.221.86

AAAA

0 record(s)
—

Not configured

CNAME

0 record(s)
—

Not configured

MX

4 record(s)
20 uk.mx2.mx25.net.
10 uk.mx1.mailanyone.net.
40 uk.mx4.mx25.net.
30 uk.mx3.mailanyone.net.

TXT

4 record(s)
"1d2vep604an4pj0o9bqa93hsm6"
"sophos-domain-verification=922dc8f43a30b1d70bc4749e51b5d617a8f45fc9ff99daf92d34faad1f98a2bc"
"v=spf1 ip4:212.11.69.42 ip4:31.221.121.34 include:servers.mcsv.net include:mandrillapp.com include:spf.mailanyone.net include:_spf.newzapp.co.uk include:spf.protection.outlook.com include:sendgrid.net ptr:cybertill-cloud.co.uk ~all"
"apple-domain-verification=VQlQL9q0cJIpyk3R"

NS

2 record(s)
ns46.domaincontrol.com.
ns45.domaincontrol.com.

SOA

1 record(s)
ns45.domaincontrol.com. dns.jomax.net. 2026031302 28800 7200 604800 600

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 ip4:212.11.69.42 ip4:31.221.121.34 include:servers.mcsv.net include:mandrillapp.com include:spf.mailanyone.net include:_spf.newzapp.co.uk include:spf.protection.outlook.com include:sendgrid.net ptr:cybertill-cloud.co.uk ~all

DMARC

Configured
v=DMARC1; p=none;

DKIM

Selector selector1
v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDbkqVIyYbOvThtBURUwtoXuAi8g0z+HRpiKDNlouqYu81Wlu69Fz2DUTj/vR16SPXGK7cxlm+WG2ykj3tEWFWR52IjD+i5ueAbF0Dv/rYlSff2d9v93s5oTDsUG80g8gz8seZuXduc+cXuJlq6lSIqIGGlSQ4tdMF/aVJjTlJ6HQIDAQAB;

Analyzed webpageMetadata and HTTP response

Title and description

Extracted
Title
St Paul's Cathedral | St Paul's Cathedral
Description
Final URL
https://www.stpauls.co.uk:443/
HTTP status
200

HTTP

Status
HTTP/2 200
Final URL
https://www.stpauls.co.uk:443/
Version
3
Server
nginx
X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
Amazon
CN
stpauls.co.uk
Valid from
2026-08-10T19:00:00-05:00
Valid until
2027-02-24T17:59:59-06:00
Days remaining
196
Protocol
TLSv1.3
Cipher
TLS_AES_128_GCM_SHA256

Security headers

4 active
✓
HSTSImplemented
—
Content Security PolicyNot detected
✓
X-Content-Type-OptionsImplemented
✓
X-Frame-OptionsImplemented
—
Referrer PolicyNot detected
✓
Permissions PolicyImplemented
—
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
18.168.126.88, 3.11.71.182, 3.8.221.86
83,68 ms
Cloudflare
1.1.1.1
18.168.126.88, 3.11.71.182, 3.8.221.86
94,30 ms
Quad9
9.9.9.9
18.168.126.88, 3.11.71.182, 3.8.221.86
48,07 ms
OpenDNS
208.67.222.222
18.168.126.88, 3.11.71.182, 3.8.221.86
76,87 ms
AdGuard
94.140.14.14
18.168.126.88, 3.11.71.182, 3.8.221.86
129,39 ms

IP, geolocation and ASNAssociated network information

18.168.126.88

No data
success
No
country
region
city
asn
organization
isp

3.11.71.182

No data
success
No
country
region
city
asn
organization
isp

3.8.221.86

No data
success
No
country
region
city
asn
organization
isp

Visitor information

Visitor
ip
216.73.216.220
reverse
country
United States
country_code
US
region
Ohio
city
Columbus
latitude
39.9586885
longitude
-82.9986903
isp
Amazon.com, Inc.
organization
Anthropic, PBC
asn
16509
timezone
America/New_York
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

uk.mx2.mx25.net

Port 25: Closed/unreachable - 8.5 ms - 
Port 465: Closed/unreachable - 4029.3 ms - 
Port 587: Closed/unreachable - 4009.6 ms -

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