indexo.dev

sjoerdkoelewijn.com

.com crawl

First seen 2026-05-15 · Last seen 2026-05-15 · ok HTTP/1.1 200 357 ms crawled 2026-05-20

US · 172.67.200.98 · AS13335 Cloudflare, Inc.

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title
Sjoerd Koelewijn - Freelance UX Designer and Web Developer
Description
I am freelance designer and web developer who specializes in working directly with business owners to improve their websites UX and increase conversions.
Language
en-US
Canonical
https://sjoerdkoelewijn.com

Open Graph

url
https://sjoerdkoelewijn.com/
title
Sjoerd Koelewijn - Freelance UX Designer and Web Developer
locale
en_US
site name
sjoerdkoelewijn
description
I am freelance designer and web developer who specializes in working directly with business owners to improve their websites UX and increase conversions.
locale:alternate
en_US

Technology

CDN
Cloudflare
Analytics
  • Cloudflare Insights

Third-party hosts loaded (1)

  • static.cloudflareinsights.com×1

Social

Registration

Registrar
NameCheap, Inc.
Created
2016-10-16
Expires
2026-10-16 148 days left
Updated
2025-09-16
Name servers
  • khloe.ns.cloudflare.com
  • sergi.ns.cloudflare.com

DNS records live

NS
  • khloe.ns.cloudflare.com
  • sergi.ns.cloudflare.com
MX
  • 1 aspmx.l.google.com
  • 10 alt3.aspmx.l.google.com
  • 10 alt4.aspmx.l.google.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com
Verified for
  • Google

Email authentication partial

SPF
v=spf1 include:_spf.google.com +a ip4:198.54.126.125 ~all
softfail (~all)
DMARC
v=DMARC1; p=none;
policy: none (monitoring only)
DKIM
  • default: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAnYDE0Se97FFFwdZrfMIdWs9G2teERuTrzrK0D5kyWcR9GQfYjy0A67aieqbiZhOE7N7X2P27/D7BJO…
selectors probed

Certificate (current)

WE1
from 2026-05-12 to 2026-08-10
Expires in 81 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 80/100 Checked live page: https://sjoerdkoelewijn.com/

present
  • strict-transport-security
  • x-frame-options
  • x-content-type-options
  • referrer-policy
  • permissions-policy
  • cross-origin-opener-policy
findings
  • missing Content Security Policy
Header values
referrer-policy
strict-origin-when-cross-origin
x-frame-options
SAMEORIGIN
permissions-policy
camera=(), geolocation=(), microphone=()
x-content-type-options
nosniff
strict-transport-security
max-age=31536000; includeSubDomains
cross-origin-opener-policy
same-origin

Links to (3)

Linked from (1)