indexo.dev

seopp.nl

.nl crawl

First seen 2026-05-30 · Last seen 2026-05-30 · ok HTTP/1.1 200 111 ms crawled 2026-05-31

NL · 136.144.249.80 · AS20857 Signet B.V.

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
SEO++ – beëindigd
Language
nl

Technology

Server
nginx

Social

DNS records live

NS
  • ns1.dn-s.nl
  • ns2.dn-s.nl
  • ns3.dn-s.nl
  • ns4.dn-s.nl
MX
  • 10 mail.seopp.nl
Verified for
  • OpenAI

Email authentication partial

SPF
v=spf1 a mx include:_spf.premiumantispam.nl ~all
softfail (~all)
DMARC
v=DMARC1; p=none
policy: none (monitoring only)
DKIM
  • default: v=DKIM1; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDYdHmLJ4lo2jI5fF7URwEeWfQbLUIFZovyJJcNL8NuGVY+3rXPeflUc2eT9VXPpdZ5eJ9h7t2guYAHLFD6VYJjjNo57…
selectors probed

Certificate (current)

Sectigo Public Server Authentication CA OV R36
from 2026-04-29 to 2026-11-14
Expires in 166 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (2)

Linked from (1)