u3a.org.uk

.uk crawl

First seen 2026-04-22 · Last seen 2026-05-16 · ok HTTP/1.1 200 4457 ms crawled 2026-05-16

GB · 77.75.122.252 · AS42831 UK Dedicated Servers Limited

Reputation 94/100 dmarc monitor-only

sector media news type blog

HTML metadata

Title: u3a - Welcome to u3a
Description: u3a is a UK-wide movement of locally-run groups providing a wide range of opportunities to come together to learn for fun exploring new ideas skills & interests
Language: en-gb
Generator: MYOB

Technology

Server: Apache
CMS: Joomla

Analytics

Google Tag Manager

Social widgets

YouTube Embed

Third-party hosts loaded (4)

cdnjs.cloudflare.com×4
www.facebook.com×1
www.googletagmanager.com×1
www.youtube.com×1

Social

Contact

Phone

020 8466 6139

Address

156 Blackfriars Road, SE1 8EN, Blackfrias, London, GB

Registration

Registrar

CompuWeb Communications Services Limited t/a CWCS Managed Hosting

Created

1997-12-01

Expires

2027-12-01 560 days left

Updated

2022-12-15

Name servers

ns1.affinity1.uk.
ns2.affinity1.uk.

DNS records live

NS

ns1.affinity1.uk
ns2.affinity1.uk

MX

0 u3a-org-uk.mail.protection.outlook.com

TXT

Show 4 TXT records

p3c826ctoqnr3mno17sc7mbh7n
15e9983f-d4db-4b79-883f-c319e8abad7c
qt8s93a6kd4nl0pake8ft7ekbg
atlassian-domain-verification=vcJBQmdTPw5gAnlfgsEkWmzwEX9S946VoiqfhXK8ekw/3OBzmgu8+Rsh1UwI4uq1

Email authentication partial

SPF

v=spf1 ip4:77.75.122.252 ip4:185.199.220.102 ip4:52.166.5.10 ip4:81.134.251.170 include:spf.protection.outlook.com include:spf.mandrillapp.com include:mail.zendesk.com include:_spf.mlsend.com include:_spf.elasticemail.com include:servers.mcsv.net -all

strict (-all)

DMARC

v=DMARC1; p=none;

policy: none (monitoring only)

DKIM

Show 5 DKIM selectors

default: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxmSmB+ZWqtu0AsHpisQFFgxbLQeq3daBXT45rpyevptBxEoHnLHOMNhr1daZyzjXORS/PNFlYzo2Kq…
selector1: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC1JpQ+nzVFEOtKkZ/eYy7iLoM07c5lhy/uQ6SZpU/yO19Y52p2wluR70SP3rfHopyPp7y5rzlBks9QgWXWDQ…
k2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA…
s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxQE+Zm4ewY2gS4i/84Tt5hPAwQTsISjnnMlaur30aTw83Lh7AmjP+qTGOJw4G0mGgxeeqUfjGxx4LgbY4Q…
s2: k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDNpU1uRgsIf2cAMWPl/3KjYjgDD01oYmNOphjyYWOOQNBhhT+3Z8r9x0zP+mE4EalAyHMgS3JeorqQn/0EORaHJo…

selectors probed

Certificate (current)

R13

from 2026-04-19 to 2026-07-18

Expires in 59 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 75/100 Checked live page: https://www.u3a.org.uk/

present

strict-transport-security
x-frame-options
x-content-type-options
referrer-policy
cross-origin-opener-policy

findings

missing Content Security Policy
missing Permissions Policy

Header values

referrer-policy: strict-origin-when-cross-origin
x-frame-options: SAMEORIGIN
x-content-type-options: nosniff
strict-transport-security: max-age=31536000
cross-origin-opener-policy: same-origin