istd.org.uk

.uk crawl

First seen 2026-04-13 · Last seen 2026-05-15 · ok HTTP/1.1 200 2593 ms crawled 2026-05-07

GB · 45.145.103.184 · AS61323 Ans Academy Limited

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title: Home | ISTD

Technology

Server: nginx

Analytics

Google Tag Manager

Third-party hosts loaded (3)

ajax.googleapis.com×1
cdnjs.cloudflare.com×1
www.googletagmanager.com×1

Social

Registration

Registrar

Easyspace Ltd

Created

2000-11-10

Expires

2026-11-10 174 days left

Updated

2024-10-11

Name servers

ns0.ukfast.net.
ns1.ukfast.net.

DNS records live

NS

ns0.ukfast.net
ns1.ukfast.net

MX

10 mx.zoho.com
20 mx2.zoho.com

TXT

google-site-verification=D0BZzfmigSocU7sqXU_gxPgyPO0GZJcxzNH1FBulK3A

Email authentication strong

SPF

v=spf1 mx include:servers.mcsv.net include:zoho.com include:sparkpostmail.com -all

strict (-all)

DMARC

v=DMARC1; p=reject; rua=mailto:marc.peter@istd.org.uk; ruf=mailto:marc.peter@istd.org.uk; fo=1

policy: reject (enforced)

DKIM

k2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA…

selectors probed

Certificate (current)

R12

from 2026-04-14 to 2026-07-13

Expires in 55 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.istd.org.uk/

findings

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