besselvanderkolk.com

.com crawl

First seen 2026-06-02 · Last seen 2026-06-02 · ok HTTP/1.1 200 1892 ms crawled 2026-06-02

US · 172.67.183.71 · AS13335 Cloudflare, Inc.

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title: Best-selling Trauma Research Author | Bessel van der Kolk, MD.
Language: en
Generator: SEOmatic
Canonical: https://www.besselvanderkolk.com/

Open Graph

url: https://www.besselvanderkolk.com/
title: Best-selling Trauma Research Author
locale: en_US
see also: https://www.facebook.com/thebodykeepsthescore
site name: Bessel van der Kolk, MD.

Technology

CDN: Cloudflare
jQuery: 3.4.1 known XSS (<3.5)

Analytics

Google Tag Manager

Fonts

Google Fonts

Third-party hosts loaded (5)

code.jquery.com×1
fonts.googleapis.com×1
script.tapfiliate.com×1
www.facebook.com×1
www.googletagmanager.com×1

Social

Contact

Address: 5 Grumbacher Rd, 17406, York, PA, United States

Registration

Registrar

Domain.com - Network Solutions, LLC

Created

2012-03-07

Expires

2027-03-07 276 days left

Updated

2026-02-20

Name servers

pam.ns.cloudflare.com
paul.ns.cloudflare.com

DNS records live

NS

pam.ns.cloudflare.com
paul.ns.cloudflare.com

MX

1 aspmx.l.google.com
10 alt3.aspmx.l.google.com
10 alt4.aspmx.l.google.com
5 alt1.aspmx.l.google.com
5 alt2.aspmx.l.google.com

Verified for

Google

Email authentication partial

SPF: v=spf1 include:_spf.google.com include:spf.mtasv.net ~all
softfail (~all)
DMARC: v=DMARC1; p=none; rua=mailto:95b8574145584c3aa71e14f68ad031a6@dmarc-reports.cloudflare.net
policy: none (monitoring only)
DKIM: no key found at common selectors

Certificate (current)

WE1

from 2026-06-01 to 2026-08-30

Expires in 88 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 55/100 Checked live page: https://www.besselvanderkolk.com/

present

x-frame-options
x-content-type-options
referrer-policy

findings

missing HSTS
missing Content Security Policy
missing Permissions Policy

Header values

referrer-policy: no-referrer-when-downgrade
x-frame-options: SAMEORIGIN
x-content-type-options: nosniff

Links to (13)

Linked from (1)

holisticattachmentsummit.com×1