indexo.dev

kolkman-nl.com

.com crawl

First seen 2026-06-02 · Last seen 2026-06-02 · ok HTTP/1.1 200 868 ms crawled 2026-06-03

NL · 37.97.132.216 · AS20857 Signet B.V.

Reputation 89/100 weak security headers dmarc monitor-only

sector b2b services type homepage

HTML metadata

Title
Kolkman Business Administration BV – Bedrijfsadviseurs in Accountancy
Language
nl-NL
Generator
WordPress 6.5.8
Canonical
https://kolkman-nl.com/
Feeds

Technology

Server
Apache
CMS
WordPress 6.5.8
jQuery
3.7.1

Third-party hosts loaded (1)

  • gmpg.org×1

Contact

Email
Phone

Registration

Registrar
InterNetX GmbH
Created
2000-03-27
Expires
2027-03-27 296 days left
Updated
2026-03-28
Name servers
  • ns1.auto-dns.com
  • ns2.auto-dns.com
  • ns3.autodns.nl
  • ns4.autodns.nl

DNS records live

NS
  • ns1.auto-dns.com
  • ns2.auto-dns.com
  • ns3.autodns.nl
  • ns4.autodns.nl
MX
  • 0 kolkmannl-com01i.mail.protection.outlook.com
TXT
  • 235cd992ecee43f31de1c1afdd2b6e5ca005163b32ffcdf1a7d851b216728e6d
Verified for
  • Microsoft 365

Email authentication partial

SPF
v=spf1 a:spf.flexfilter.nl a:relay.introweb.nl include:spf.protection.outlook.com include:_spf.exactonline.nl include:_spf.inventit.cloud ip4:178.170.155.107 -all
strict (-all)
DMARC
v=DMARC1; p=none; sp=none; rua=mailto:dmarcreports@inventit.nl; ruf=mailto:dmarcreports@inventit.nl; fo=1;
policy: none (monitoring only) · sp=none
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2m5nmRDYJ4C24hzEjzGmJmEdSvPPOMVQbGvMtw2w7+/rEn+amZUsbMrsw2bL60Wy/wil/w/Kb4B99X…
  • selector2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtkxmYCkejAmaGM9UYx7vBCHvXPh0hNfkNq7+GhmLPPp8v7uyqWlZpx0jznih0I9T0x9yTDkpL42hjb…
selectors probed

Certificate (current)

E7
from 2026-04-15 to 2026-07-14
Expires in 40 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://kolkman-nl.com/

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

Linked from (1)