triathlonutrecht.nl

.nl crawl

First seen 2026-06-01 · Last seen 2026-06-01 · ok HTTP/1.1 200 409 ms crawled 2026-06-01

US · 216.198.79.1 · AS16509 Amazon.com, Inc.

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title: Triathlon Utrecht
Description: Triathlon Utrecht – jaarlijks triatlonevenement in Utrecht. Zwem, fiets en loop in omgeving Utrecht op zondag 28 juni 2026.
Language: nl
Generator: Astro v5.16.7
Canonical: https://www.triathlonutrecht.nl/

Open Graph

url: https://www.triathlonutrecht.nl/
title: Triathlon Utrecht
locale: nl_NL
site name: Triathlon Utrecht
description: Triathlon Utrecht – jaarlijks triatlonevenement in Utrecht. Zwem, fiets en loop in omgeving Utrecht op zondag 28 juni 2026.

Technology

CDN: Vercel

Social widgets

YouTube Embed

Third-party hosts loaded (1)

www.youtube.com×1

Social

DNS records live

NS

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

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

TXT

v=DMARC1; p=reject; rua=mailto:dmarc@triathlonutrecht.nl

Verified for

Google

Email authentication partial

SPF

v=spf1 include:_spf.transip.email include:_spf.google.com ~all

softfail (~all)

DMARC

v=DMARC1; p=none; rua=mailto:triathlonutrecht.nl@dmarc-report.eprov.eu

policy: none (monitoring only)

DKIM

google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEApaqhyrWfGa2SlzEB+XwZkMi4rSkBKtb6iOfsA/YOEYafXmKlndSlcTy8FF+6tO3gc3hF/ofqrK6Tc5…

selectors probed

Certificate (current)

R12

from 2026-05-13 to 2026-08-11

Expires in 70 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://www.triathlonutrecht.nl/

present

strict-transport-security

findings

missing Content Security Policy
missing frame protection
missing content type protection
missing Referrer Policy
missing Permissions Policy

Header values

strict-transport-security: max-age=63072000

Links to (4)

Linked from (1)

sqmtime.com×1