indexo.dev

northseaultra.com

.com crawl

First seen 2026-04-22 · Last seen 2026-04-22 · ok HTTP/1.1 200 2190 ms crawled 2026-05-16

US · 104.21.81.199 · AS13335 Cloudflare, Inc.

Reputation 95/100 weak security headers

sector sports type homepage

HTML metadata

Title
North Sea Ultra 2026 | Kampen, Sylt
Description
North Sea Ultra – 111 km Ultramarathon rund um Sylt. Fast, Flat & Windy. 9. Mai 2026.
Language
de
Generator
Astro v5.18.0
Canonical
https://northseaultra.com/
Translations
  • de
  • en
Feeds

Open Graph

url
https://northseaultra.com/
title
North Sea Ultra 2026 | Kampen, Sylt
description
North Sea Ultra – 111 km Ultramarathon rund um Sylt. Fast, Flat & Windy. 9. Mai 2026.

Technology

CDN
Cloudflare

Social

Registration

Registrar
IONOS SE
Created
2022-01-07
Expires
2027-01-07 231 days left
Updated
2026-01-08
Name servers
  • adel.ns.cloudflare.com
  • gabe.ns.cloudflare.com

DNS records live

NS
  • adel.ns.cloudflare.com
  • gabe.ns.cloudflare.com
MX
  • 0 northseaultra-com.mail.protection.outlook.com
Verified for
  • Brevo
  • Google
  • Microsoft 365
  • Stripe

Email authentication strong

SPF
v=spf1 include:amazonses.com ~all
softfail (~all)
DMARC
v=DMARC1; p=quarantine; rua=mailto:3ccc184f425c46f7bf42cd6b5f8a3722@dmarc-reports.cloudflare.net
policy: quarantine
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAoxBy1d/XrnK2yoUDs5oMuh4WibPuKg+TxfCHDR1TF4MBIUtr+KCmT5nDoZNUHHtaf+SMlPlHUOChB8…
  • mail: k=rsa;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDeMVIzrCa3T14JsNY0IRv5/2V1/v2itlviLQBwXsa7shBD6TrBkswsFUToPyMRWC9tbR/5ey0nRBH0ZVxp+lsmTxid2Y2z…
selectors probed

Certificate (current)

WE1
from 2026-05-05 to 2026-08-03
Expires in 75 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 45/100 Checked live page: https://northseaultra.com/

present
  • x-content-type-options
  • referrer-policy
findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing Permissions Policy
Header values
referrer-policy
strict-origin-when-cross-origin
x-content-type-options
nosniff

Links to (2)

Linked from (1)