colintester.com

.com crawl

First seen 2026-04-14 · Last seen 2026-05-07 · ok HTTP/1.1 200 7238 ms crawled 2026-05-07

US · 185.199.108.153 · AS54113 Fastly, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title: Colin Tester – Helping to build a more robust and inclusive web
Language: en

Technology

CDN: Fastly
Server: GitHub.com

Social

Registration

Registrar

Tucows Domains Inc.

Created

2017-10-16

Expires

2026-10-16 150 days left

Updated

2025-10-15

Name servers

ns1.hover.com
ns2.hover.com

DNS records live

NS

ns1.hover.com
ns2.hover.com

MX

10 mailcluster.zen.co.uk

Email authentication partial

SPF: v=spf1 +mx +a +ip4:82.71.204.13 ~all
softfail (~all)
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

R13

from 2026-04-20 to 2026-07-19

Expires in 61 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.colintester.com/

findings

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

Links to (2)

github.com×2
linkedin.com×2

Linked from (1)

wychwoodfestival.com×2