alasdairb.com

.com crawl

First seen 2026-04-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 600 ms crawled 2026-05-18

US · 104.21.65.252 · AS13335 Cloudflare, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title: Al Brown - data, developer experience & startups
Description: The personal blog of Al Brown. Mostly musings, guides and rants about data, with the occasional thought on startups and strategy.
Language: en
Generator: Astro v6.1.8

Open Graph

url: https://alasdairb.com/index.html
title: Al Brown - data, developer experience & startups
site name: alasdairb.com
description: The personal blog of Al Brown. Mostly musings, guides and rants about data, with the occasional thought on startups and strategy.

Technology

CDN: Cloudflare

Analytics

Cloudflare Insights

Third-party hosts loaded (2)

analytics.ahrefs.com×1
static.cloudflareinsights.com×1

Social

Registration

Registrar

NameCheap, Inc.

Created

2015-07-19

Expires

2026-07-19 59 days left

Updated

2025-07-21

Name servers

lorna.ns.cloudflare.com
valentin.ns.cloudflare.com

DNS records live

NS

lorna.ns.cloudflare.com
valentin.ns.cloudflare.com

MX

10 mail.protonmail.ch
20 mailsec.protonmail.ch

TXT

protonmail-verification=feed6d0a32c121bde19f818e3de322cf44b7187f

Verified for

Google

Email authentication strong

SPF: v=spf1 include:_spf.protonmail.ch mx ~all
softfail (~all)
DMARC: v=DMARC1; p=quarantine
policy: quarantine
DKIM: no key found at common selectors

Certificate (current)

WE1

from 2026-04-06 to 2026-07-05

Expires in 46 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 45/100 Checked live page: https://alasdairb.com/

present

x-content-type-options
referrer-policy

findings

missing HSTS
missing Content Security Policy
missing frame protection
missing Permissions Policy

Header values

referrer-policy: strict-origin-when-cross-origin
x-content-type-options: nosniff

Links to (3)

Linked from (1)

personalsit.es×4