simontennis.nl

.nl crawl

First seen 2026-05-29 · Last seen 2026-06-01 · ok HTTP/1.1 200 215 ms crawled 2026-05-31

NL · 93.119.13.138 · AS20857 Signet B.V.

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title: SimonTENNIS

Technology

Server: Microsoft-IIS
CMS: WordPress
ASP.NET: 4.0.30319
jQuery: 1.7.1 known XSS (<3.5)

Analytics

Google Tag Manager

Third-party hosts loaded (1)

www.googletagmanager.com×1

Social

DNS records live

NS

ns0.transip.net
ns1.transip.nl
ns2.transip.eu

MX

Show 6 MX records

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

Email authentication partial

SPF: v=spf1 mx a include:_spf.google.com ip4:149.210.239.146 include:_spf.transip.email include:mail.zendesk.com ~all
softfail (~all)
DMARC: v=DMARC1; p=none;
policy: none (monitoring only)
DKIM: no key found at common selectors

Certificate (current)

R13

from 2026-05-18 to 2026-08-16

Expires in 75 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://simontennis.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 (3)