indexo.dev

nasuwt.org.uk

.uk crawl

First seen 2026-04-13 · Last seen 2026-05-16 · ok HTTP/1.1 200 701 ms crawled 2026-05-06

US · 104.26.1.177 · AS13335 Cloudflare, Inc.

Reputation 97/100 dmarc monitor-only

sector education type homepage

HTML metadata

Title
NASUWT | The Teachers' Union
Description
The NASUWT, the Teachers’ Union, works to protect the status of the teaching profession and deliver real improvements to teachers’ and school leaders’ working lives. We seek to ensure teachers are recognised and rewarded as highly skilled professionals.

Open Graph

url
https://www.nasuwt.org.uk/
title
The Teachers' Union
description
The NASUWT, the Teachers’ Union, works to protect the status of the teaching profession and deliver real improvements to teachers’ and school leaders’ working lives. We seek to ensure teachers are recognised and rewarded as highly skilled professionals.

Technology

CDN
Cloudflare
CMS
Gatsby
Analytics
  • Google Tag Manager
Fonts
  • Google Fonts

Third-party hosts loaded (3)

  • cc.cdn.civiccomputing.com×1
  • fonts.googleapis.com×1
  • www.googletagmanager.com×1

Social

Contact

Phone

Registration

Registrar
Claranet Limited t/a Claranet
Created
1995-12-12
Expires
2026-12-12 206 days left
Updated
2025-12-02
Name servers
  • doug.ns.cloudflare.com.
  • grannbo.ns.cloudflare.com.

DNS records live

NS
  • doug.ns.cloudflare.com
  • grannbo.ns.cloudflare.com
MX
  • 10 eu-smtp-inbound-1.mimecast.com
  • 10 eu-smtp-inbound-2.mimecast.com
TXT
Show 5 TXT records
  • ca3-2894e9fc0cea4f168bec2e188ea89b2f
  • dvr7v02rfccc6jk8edgnkqkiuu
  • nu5n1n7snmn38vol8b99tn0jvq
  • zone-ownership-verification-bfb4dfae0a3f0145613423315bcec6e7241ef70d5597186f579b6ec8ec425f5c
  • 16l42salf5dafpujeltihnifet
Verified for
  • Brevo
  • Microsoft 365

Email authentication strong

SPF
v=spf1 mx ip4:89.21.1.144/28 ip4:89.21.1.187/32 ip4:89.21.1.188/32 include:eu._netblocks.mimecast.com include:sendgrid.net include:_spf1.mailgun.org include:_spf2.mailgun.org include:_spf.eu.mailgun.org ~all
softfail (~all)
DMARC
v=DMARC1; p=none
policy: none (monitoring only)
DKIM
Show 6 DKIM selectors
  • selector1: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDgFpcWZIbRyRczq1kKXmfyMdiqlFqiozdsYJQUNcPUQoF79E7n7OtNyD42qLAnmW/aiw3eczk/OV3hYJ32/G…
  • selector2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyRJ1gR+YMvqfNpPOsuJASwwLu32+HBpHwj8yG72jIXMwWjrAiINWW6OiCH53SJ3PvyWDOCgnH5tiI5…
  • k2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA…
  • mail: k=rsa;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDeMVIzrCa3T14JsNY0IRv5/2V1/v2itlviLQBwXsa7shBD6TrBkswsFUToPyMRWC9tbR/5ey0nRBH0ZVxp+lsmTxid2Y2z…
  • s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0i8kqUiCcpA/Wm+OmXujfuJO+gT0/ouBg5I5SnOEp9POlPiT+CCDBvKLOMe6/d1jd4hOuELKAFJ7eKF+Qs…
  • s2: k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC0HaQ1nu+h7KVdINdlu9JQiAxV5I65dcKQxOUBeQ8mIvC9BsKw4pNuojrEHfOfAcXZcuppGOl+Bxbraru09AnaYp…
selectors probed

Certificate (current)

WE1
from 2026-04-08 to 2026-07-07
Expires in 48 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 70/100 Checked live page: https://www.nasuwt.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
DENY
x-content-type-options
nosniff
strict-transport-security
max-age=15552000; preload

Links to (7)

Linked from (5)