indexo.dev

seoprofessor.nl

.nl crawl

First seen 2026-05-28 · Last seen 2026-05-28 · ok HTTP/1.1 200 1022 ms crawled 2026-05-30

NL · 35.214.222.60 · AS43515 Google Ireland Limited

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
Freelance SEO Specialist | SEOProfessor.nl
Description
Stefan Balkenende — freelance SEO specialist uit Lisse. Meer dan 20 jaar ervaring. Gratis SEO-scan binnen 48 uur. Specialist in klassieke SEO en AI-zichtbaarheid.
Language
nl
Canonical
https://seoprofessor.nl/

Open Graph

url
https://seoprofessor.nl/
title
Freelance SEO Specialist | SEOProfessor.nl
locale
nl_NL
description
Stefan Balkenende — freelance SEO specialist uit Lisse. Meer dan 20 jaar ervaring. Gratis SEO-scan binnen 48 uur.

Technology

Server
nginx
CMS
WordPress

Contact

Email
Phone
Address
Boeierhof 17, 2162LG, Lisse, Zuid-Holland, NL

DNS records live

NS
  • ns1.siteground.net
  • ns2.siteground.net
MX
  • 10 mx10.antispam.mailspamprotection.com
  • 20 mx20.antispam.mailspamprotection.com
  • 30 mx30.antispam.mailspamprotection.com

Email authentication partial

SPF
v=spf1 +a +mx +ip4:35.214.221.86 include:seoprofessor.nl.spf.auto.dnssmarthost.net ~all
softfail (~all)
DMARC
v=DMARC1; p=none; aspf=r; adkim=r;
policy: none (monitoring only)
DKIM
  • default: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDEooNHZMSwPMz+GA308Nm+w5PxUNWgX0PRNgEeo03QOmyG1lGDAk4iR/FWLP1Hs7U3ddJP+iVgjMdNFY3NMd…
selectors probed

Certificate (current)

R12
from 2026-04-18 to 2026-07-17
Expires in 46 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://seoprofessor.nl/

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

Linked from (1)