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Total

DNS

100

Email

Security

Network

100

Availability

Domainbarbican.org.uk

IPv42

IPv62

MX records1

StatusActive

Domain technical report

Welcome to the Barbican | Barbican

barbican.org.uk

Generated: 2026-08-10T03:32:03-05:00 · Cached result

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IPv42

IPv62

MX1

NS2

DiagnosticsMain findings and recommendations

✓

IPv4 (A)30 / 30 pts · Dns

2 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 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

1 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-STS5 / 5 pts · Mail

Mail transport policy.

✓

TLS-RPT5 / 5 pts · Mail

TLS reporting policy.

✓

Valid TLS certificate55 / 55 pts · Security

69 day(s) remaining.

✓

Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

HTTP security headers12 / 35 pts · Security

3 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 connectivity35 / 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

2 record(s)

172.66.152.97
104.20.16.76

AAAA

2 record(s)

2606:4700:10::6814:104c
2606:4700:10::ac42:9861

CNAME

0 record(s)

—

Not configured

MX

1 record(s)

5 barbican-org-uk.mail.protection.outlook.com.

TXT

12 record(s)

"atlassian-domain-verification=gXPKqRv3CUkToraJRreJQFz/u9fNcXLegdNPliQfaaW9070fLxQlVZBp4zes46P5"
"sophos-domain-verification=3947869d6133a6e2b1207467ad5e0eb087e8e04c758c22cfcdda986a0e573d26"
"MS=ms71340125"
"mlol0vfca5hqtm4f7u8f2pvjvh"
"v=spf1 include:spf.protection.outlook.com include:sendgrid.net include:_spf.elasticemail.com include:shops.shopify.com ~all"
"P1DjoWDW0EBa7wf2Al3Vt2hrhY2rV8N3/v6R727ZTjw="
"ZOOM_verify_b-RRcWVjQCu27UTTlAUssg"
"google-site-verification=O4DKbmKBWSowfDB2Xww2TPAcL0nsw1RIyT4PNZLzZAg"
"apple-domain-verification=ySYGMJAf0ab7s1gN"
"facebook-domain-verification=mjvr9fq4wu4dhnfmzpz3siccfae0tj"
"9JowBhXYEz+lWTH3DBXruMccFBLzEOh2Qd9CZ4U/MaAVQL0HmOrTaUTeogKeOkt+opdBK5yvd13d/yCTFWkJzA=="
"MS=ms54554978"

NS

2 record(s)

chloe.ns.cloudflare.com.
chad.ns.cloudflare.com.

SOA

1 record(s)

chad.ns.cloudflare.com. dns.cloudflare.com. 2411739782 10000 2400 604800 1800

CAA

0 record(s)

—

Not configured

DS

0 record(s)

—

Not configured

DNSKEY

2 record(s)

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

RRSIG

4 record(s)

NS 13 3 86400 20260811093154 20260809073154 34505 barbican.org.uk. vGEqrICS/iqCoo2FGrkqXQf4ODqiyrJ4prugIiu14NFFMQ2yvVb/FzRg TYSFupkbqEHVTGHg9rkcTCEmZPedUw==
AAAA 13 3 300 20260811093148 20260809073148 34505 barbican.org.uk. oto7B4QrO6AjV3zZDDoB52Mp9gMz4Dj/bKLCOd0gMZiC3YEwyRscfb8e WJ9MSVW7skQP4cbCGT4Zk/Dw6l89EQ==
A 13 3 300 20260811093148 20260809073148 34505 barbican.org.uk. R5W/hP408CiTfRKhIEZjs75nMER14qsq2c5Pq/xzW1O4KRQgpZRD1gxa Sdcw4fU6gYA3YOb0+WfVGzem6hR8qA==
NSEC 13 3 1800 20260811093147 20260809073147 34505 barbican.org.uk. h3VBkI0BzTh0BqJuuavNullxpa9aCi1r7i/8sPFXofSqmqgADWQmEMrG 4fxBqZ4VABTCR5R1RLM/Fi7iDlemCQ==

NSEC

1 record(s)

\000.barbican.org.uk. 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 include:spf.protection.outlook.com include:sendgrid.net include:_spf.elasticemail.com include:shops.shopify.com ~all

DMARC

Configured

v=DMARC1;p=reject;rua=mailto:dc7c933f061e4508b239f3dcbfd27071@dmarc-reports.cloudflare.net

DKIM

Selector selector1

v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2TVHlotPNDkwQsdpYtQEGGUgKg7Eawr2mrpn6kXqJ9hn2MwguUHZiK/PHa+GgMrhe62+sUsRjYu72N2iFsVH9tHcmsiA0KHeZpzlapZ7CLMVbUCfZNTuGmtTIHvU/lOBkjO1XzA10F8/eypNukyqbQ/eSuXIiNn3paepnNfs3Cs2JceVXaXPQgQiD93UnKR4eqro5tnInbJKfKtRIYAGvSpKWamifz/RNlHf5lNDSfWA0HDJ8raFyBXxeXwYytv07xrVai5fs6N3/NY8ewg0wQR639VZPadAXrURMByB1euVt9BAS2sB/giShczfB5B4qJYTGK5vicDk6BpQ3EXqhQIDAQAB;

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

Welcome to the Barbican | Barbican

Description

Final URL

https://www.barbican.org.uk/

HTTP status

206

HTTP

Status

HTTP/2 200

Final URL

https://www.barbican.org.uk/

Version

Server

cloudflare

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

Let's Encrypt

barbican.org.uk

Valid from

2026-07-20T07:13:23-05:00

Valid until

2026-10-18T07:13:22-05:00

Days remaining

Protocol

TLSv1.3

Cipher

TLS_AES_256_GCM_SHA384

Security headers

3 active

✓

HSTSImplemented

—

Content Security PolicyNot detected

✓

X-Content-Type-OptionsImplemented

✓

X-Frame-OptionsImplemented

—

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

104.20.16.76, 172.66.152.97

71,79 ms

Cloudflare

1.1.1.1

104.20.16.76, 172.66.152.97

19,34 ms

Quad9

9.9.9.9

104.20.16.76, 172.66.152.97

23,38 ms

OpenDNS

208.67.222.222

104.20.16.76, 172.66.152.97

34,14 ms

AdGuard

94.140.14.14

104.20.16.76, 172.66.152.97

49,25 ms

IP, geolocation and ASNAssociated network information

172.66.152.97

No data

success

country

region

city

asn

organization

isp

104.20.16.76

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

barbican-org-uk.mail.protection.outlook.com

Port 25: Closed/unreachable - 1.2 ms - 
Port 465: Closed/unreachable - 4019.6 ms - 
Port 587: Closed/unreachable - 4032.4 ms -

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