jacobsdouweegbertsprofessional.nl

.nl crawl

First seen 2026-05-25 · Last seen 2026-05-30 · ok HTTP/1.1 200 4498 ms crawled 2026-05-29

NL · 89.106.200.1 · AS209626 Enflow B.V.

Reputation 92/100 no dmarc policy

sector other type parked

HTML metadata

Language
nl-NL

Technology

CDN
Cloudflare
Cookie consent
  • OneTrust

Third-party hosts loaded (3)

  • assets.prd.heyflow.com×1
  • cdn.cookielaw.org×1
  • punchout.cloud×1

DNS records live

NS
  • ns1.iptwins.net
  • ns2.iptwins.net
  • ns3.iptwins.com
  • ns4.iptwins.com
MX
  • 10 mxa.mailgun.org
  • 10 mxb.mailgun.org
  • 20 custmx.cscdns.net
TXT
Show 4 TXT records
  • _ldd2oku6gj4d4ccebxjcrmzxbi88w0b
  • 0lg6p62rj4yl41g3y3r15xkxr7l3041c
  • _uwp2zpk7psbd4y9mmktjpf3luiw2rrr
  • QuoVadis=dfc4d239-7024-4094-ad40-cb8c1fa6de59
Verified for
  • Google

Email authentication weak

SPF
v=spf1 a mx include:sendgrid.net ~all
softfail (~all)
DMARC
not published
DKIM
  • s2: k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC8nYHLQjkyMKIIOw51IJiFqguZPEj37f3d5B8X6T0ywJILkrk3FVkDh7L2Jl8xwemll7OK/+gKBS6/CtkywcoHO2…
selectors probed

Certificate (current)

E8
from 2026-05-17 to 2026-08-15
Expires in 75 days

HTTP security headers

Header hygiene 80/100 Checked live page: https://www2.jacobsdouweegbertsprofessional.nl

present
  • strict-transport-security
  • content-security-policy
  • x-content-type-options
  • referrer-policy
findings
  • CSP uses wildcard sources
  • missing frame protection
  • missing Permissions Policy
Header values
referrer-policy
strict-origin-when-cross-origin
x-content-type-options
nosniff
content-security-policy
frame-ancestors *; report-uri /_/commcsp?disposition=enforce;
strict-transport-security
max-age=63072000; includeSubDomains

Linked from (3)