heritageopendays.org.uk

.uk crawl

First seen 2026-04-15 · Last seen 2026-05-12 · ok HTTP/1.1 200 2210 ms crawled 2026-05-10

US · 172.67.71.89 · AS13335 Cloudflare, Inc.

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title: Homepage
Language: en

Open Graph

url: https://www.heritageopendays.org.uk/
title: Homepage

Technology

CDN: Cloudflare
CMS: Gatsby

Fonts

Adobe Fonts

Third-party hosts loaded (2)

cc.cdn.civiccomputing.com×1
use.typekit.net×1

Social

Registration

Registrar

British Telecommunications plc

Created

2001-12-21

Expires

2027-12-21 579 days left

Updated

2025-12-14

Name servers

sharon.ns.cloudflare.com.
vicky.ns.cloudflare.com.

DNS records live

NS

sharon.ns.cloudflare.com
vicky.ns.cloudflare.com

MX

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

TXT

JPJEkc4ydJ8vHu/I6/GjTwMEixlPOsMDcd4JALHbGwMCLusx2Au3Pr1cOG1jWL8YcMCbgdPEHY2aIJJJfh9r8w==

Verified for

Google
Microsoft 365

Email authentication partial

SPF

v=spf1 include:spf.protection.outlook.com ip4:195.191.164.134 include:amazonses.com -all

strict (-all)

DMARC

v=DMARC1;p=none;rua=mailto:5qa8kffk3Zh@dmarc-rua.mailcheck.service.ncsc.gov.uk;

policy: none (monitoring only)

DKIM

selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuLOc/c9DFf8tYoKEfhfaqht4CK3nHBRxwRueQuwq2ureEqgDG8ECng5/7xob4OvuGrydG0XAtA0VQG…
selector2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA5YbVwbZSVDZlqwmPLTtI1+Bqux839qjn03hmqj7pG76zoRU1eHRrDi6l21DjV7Zz7ru+pwMAa6X/GU…
k2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA…

selectors probed

Certificate (current)

WE1

from 2026-04-28 to 2026-07-27

Expires in 68 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 70/100 Checked live page: https://www.heritageopendays.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