indexo.dev

polderknowledge.nl

.nl crawl

First seen 2026-06-01 · Last seen 2026-06-02 · ok HTTP/1.1 200 1538 ms crawled 2026-06-01

NL · 136.144.212.81 · AS20857 Signet B.V.

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
Polder Knowledge | Webapplicaties | API-koppelingen | Automatisering
Language
nl-NL
Generator
Divi v.5.1.0
Canonical
https://polderknowledge.nl/
Translations
  • en
  • es
  • nl
Feeds

Technology

Server
nginx
jQuery
3.7.1
Fonts
  • Google Fonts

Third-party hosts loaded (2)

  • kit.fontawesome.com×2
  • fonts.gstatic.com×1

Social

Contact

Email
Phone

DNS records live

NS
  • ns1.serviceprovider.nl
  • ns2.serviceprovider.nl
  • ns3.serviceprovider.nl
  • ns4.serviceprovider.nl
MX
  • 1 aspmx.l.google.com
  • 10 alt1.aspmx.l.google.com
  • 20 alt2.aspmx.l.google.com
  • 30 alt3.aspmx.l.google.com
  • 40 alt4.aspmx.l.google.com
Verified for
  • Google

Email authentication partial

SPF
v=spf1 a mx ip4:185.182.56.146 a:spf.spamexperts.axc.nl include:_spf.google.com -all
strict (-all)
DMARC
v=DMARC1; p=none
policy: none (monitoring only)
DKIM
  • google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAoGyhWfAwRhiHQtlIXpR440+XRMXrZSIogYgbO8/j23zpBCzEAnA/fH1MFDEprzemoDzqAsuT62yNMi…
  • k2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA…
selectors probed

Certificate (current)

R12
from 2026-05-22 to 2026-08-20
Expires in 78 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (9)

Linked from (5)