indexo.dev

byte-challenge.de

.de crawl

First seen 2026-04-11 · Last seen 2026-05-18 · ok HTTP/1.1 200 1729 ms crawled 2026-05-18

DE · 217.160.0.47 · AS8560 IONOS SE

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
BYTE Challenge – One bit at a time
Language
de
Generator
WordPress 6.9.4
Canonical
https://byte-challenge.de/
Translations
  • de
  • de-de
  • en
  • en-us
  • uk
Feeds

Technology

Server
Apache
CMS
WordPress

Third-party hosts loaded (1)

  • gmpg.org×1

Social

Contact

Email

Registration

Updated
2022-01-15
Name servers
  • ns1045.ui-dns.biz.
  • ns1045.ui-dns.com.
  • ns1045.ui-dns.de.
  • ns1045.ui-dns.org.

DNS records live

NS
  • ns1045.ui-dns.biz
  • ns1045.ui-dns.com
  • ns1045.ui-dns.de
  • ns1045.ui-dns.org
MX
  • 10 mailin.rzone.de

Email authentication weak

SPF
v=spf1 ip4:89.238.67.88 include:_spf.strato.com -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

Sectigo Public Server Authentication CA DV R36
from 2025-10-25 to 2026-11-09
Expires in 173 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 35/100 Checked live page: https://byte-challenge.de/

present
  • permissions-policy
findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
Header values
permissions-policy
private-state-token-redemption=(self "https://www.google.com" "https://www.gstatic.com" "https://recaptcha.net" "https://challenges.cloudflare.com" "https://hcaptcha.com"), private-state-token-issuance=(self "https://www.google.com" "https://www.gstatic.com" "https://recaptcha.net" "https://challenges.cloudflare.com" "https://hcaptcha.com")

Links to (7)

Linked from (2)