ascl.org.uk

.uk crawl

First seen 2026-04-13 · Last seen 2026-05-20 · ok HTTP/1.1 200 2710 ms crawled 2026-05-06

GB · 51.143.140.98 · AS8075 Microsoft Corporation

Reputation 100/100

sector education type homepage

HTML metadata

Title: ASCL - Home
Description: The leading professional association and trade union, supporting 25,000+ school, college, and trust leaders across primary, secondary, and post-16 education from across the UK.

Technology

Server: Microsoft-IIS

Analytics

Google Tag Manager

Fonts

Google Fonts

Third-party hosts loaded (6)

ajax.googleapis.com×1
cdn.popupsmart.com×1
cdnjs.cloudflare.com×1
fonts.googleapis.com×1
stackpath.bootstrapcdn.com×1
www.googletagmanager.com×1

Social

Contact

Phone

01162991122

Address

Registration

Registrar

Nexinto GmbH t/a Plusserver GmbH

Created

2004-06-14

Expires

2026-06-14 24 days left

Updated

2024-07-24

Name servers

ns1.gtt.net.
ns2.gtt.net.
ns3.gtt.net.

DNS records live

NS

ns1.gtt.net
ns2.gtt.net
ns3.gtt.net

MX

10 ascl-org-uk.mail.protection.outlook.com

TXT

Show 7 TXT records

msfpkey=2zssv4e0fptheyqr4h8q4l4e4
6jpk2e1j9h4jjelcme85pjlm0i
linkedin-site-verification=4ccbd4e5-2f99-4291-bcac-da169db59076
8Lst4sge8nDij5gAgJPeNgAF3m+avES5WLvVK4a5xqIaJWZTxteih5FcwcVIF/jbbjtWp3Iu+fk6g6avYaVDnQ==
v=spf1 ip4:198.61.254.3 ip4:209.61.151.238 include:gbr.pb-dynmktge.com include:mailgun.org include:servers.mcsv.net include:spf.protection.outlook.com mx -all
include:app.aventri.com -all
himbh0fcpc5tr6vl6enm9t3i14

Verified for

Brevo
Dynamics 365
Google
Microsoft 365

Certificate (current)

Starfield Secure Certificate Authority - G2

from 2025-08-29 to 2026-09-07

Expires in 109 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 60/100 Checked live page: https://ascl.org.uk/

present

strict-transport-security
x-frame-options

findings

missing Content Security Policy
missing content type protection
missing Referrer Policy
missing Permissions Policy

Header values

x-frame-options: SAMEORIGIN
strict-transport-security: max-age=31536000; includeSubDomains; preload