c20society.org.uk

.uk crawl

First seen 2026-04-12 · Last seen 2026-05-20 · ok HTTP/1.1 200 1598 ms crawled 2026-05-20

FR · 92.205.62.171 · AS21499 Host Europe GmbH

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title: The Twentieth Century Society – Campaigning for outstanding buildings
Language: en
Canonical: https://c20society.org.uk/

Technology

Server: Apache
CMS: WordPress
jQuery: 3.7.1

Analytics

Google Tag Manager

Ads

Meta Pixel

Third-party hosts loaded (5)

www.google.com×3
maps.googleapis.com×2
stats.wp.com×2
connect.facebook.net×1
www.googletagmanager.com×1

Social

Contact

Phone

2026-05-05 18

Registration

Registrar

123-Reg Limited t/a 123-reg

Created

2000-11-27

Expires

2027-11-27 555 days left

Updated

2024-08-01

Name servers

ns63.domaincontrol.com.
ns64.domaincontrol.com.

DNS records live

NS

ns63.domaincontrol.com
ns64.domaincontrol.com

MX

10 d108440a.ess.barracudanetworks.com
20 d108440b.ess.barracudanetworks.com

TXT

MS=6EF1D909A47F9E3204A434E312EBBBDF9C610E5D
s836gd48hdca804bqgthjmsp26
2q4ko4uqtqs4fjl9lpbh4g3904

Verified for

Microsoft 365

Email authentication partial

SPF

v=spf1 include:spf.protection.outlook.com include:mailgun.org -all

strict (-all)

DMARC

v=DMARC1; p=none; rua=mailto:dmarc_agg@vali.email;

policy: none (monitoring only)

DKIM

selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2ggIHB0qyxyPJ+JAvZwk1SHkhaPBH1z33DJahYjgcF0v8qEsYXfARAchlnwVI+xzWgpKnxO7GZRhTk…
k2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA…

selectors probed

Certificate (current)

R13

from 2026-05-18 to 2026-08-16

Expires in 88 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 70/100 Checked live page: https://c20society.org.uk/

present

strict-transport-security
x-frame-options
x-content-type-options

findings

missing Content Security Policy
missing Referrer Policy
missing Permissions Policy

Header values

x-frame-options: SAMEORIGIN
x-content-type-options: nosniff
strict-transport-security: max-age=15552000; includeSubDomains