harrisinstitute.org.uk

.uk crawl

First seen 2026-04-20 · Last seen 2026-05-13 · ok HTTP/1.1 200 2921 ms crawled 2026-05-13

IE · 52.19.24.146 · AS16509 Amazon.com, Inc.

Reputation 100/100

Classifying

HTML metadata

Title: Welcome to the Harris Institute of Teaching and Leadership
Description: Empowering educators through innovative training and leadership programmes across London and Essex. Discover our comprehensive support for every stage of your teaching career.
Language: en

Open Graph

url: https://www.harrisinstitute.org.uk/
title: Welcome to the Harris Institute of Teaching and Leadership
description: Empowering educators through innovative training and leadership programmes across London and Essex. Discover our comprehensive support for every stage of your teaching career.

Technology

Server: nginx

Third-party hosts loaded (5)

harrischaffteach.reactfiles.co.uk×10
ajax.googleapis.com×1
assets.reactcdn.co.uk×1
fonts.cleverbox.co.uk×1
translate.google.com×1

Social

Contact

Email

info@harrisinstitute.org.uk

Phone

02035400360

Address

170 Lennard Road, BR3 1QP, Beckenham, London, GB

Registration

Registrar

123-Reg Limited t/a 123-reg

Created

2022-09-08

Expires

2026-09-08 110 days left

Updated

2025-09-09

Name servers

ns03.domaincontrol.com.
ns04.domaincontrol.com.

DNS records live

NS

ns03.domaincontrol.com
ns04.domaincontrol.com

MX

5 harrisinstitute-org-uk.mail.protection.outlook.com

Verified for

Microsoft 365

Email authentication strong

SPF

v=spf1 ip4:171.33.197.204 ip4:109.234.207.166 ip4:109.234.195.2 ip4:78.31.110.246 include:spf.protection.outlook.com include:spf_c.oraclecloud.com include:eu.zcsend.net include:recruitmail.com include:recruitmentplace.net -all

strict (-all)

DMARC

v=DMARC1; p=reject; rua=mailto:dmarc@harrisinstitute.org.uk; ruf=mailto:dmarc@harrisinstitute.org.uk; fo=1

policy: reject (enforced)

DKIM

selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAy3V3+OLT0HyL5IxrWPcV4bZi/ZHIkB9CEYLu9mubJ0dWFG8ZCf7en6B3fJc12ZSWPXqb+bSCaunG3b…

selectors probed

Certificate (current)

R12

from 2026-04-30 to 2026-07-29

Expires in 69 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 70/100 Checked live page: https://www.harrisinstitute.org.uk/

present

strict-transport-security
x-frame-options
x-content-type-options
referrer-policy

findings

missing Content Security Policy
weak frame protection
missing Permissions Policy

Header values

referrer-policy: strict-origin-when-cross-origin
x-frame-options: SAMEORIGIN, SAMEORIGIN
x-content-type-options: nosniff
strict-transport-security: max-age=31536000;, max-age=63072000; includeSubDomains; preload