indexo.dev

rcodezero.at

.at crawl

First seen 2026-05-11 · Last seen 2026-05-16 · ok HTTP/1.1 200 14559 ms crawled 2026-05-16

AT · 131.130.249.235 · AS760 Vienna University Computer Center

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
RcodeZero - Home
Language
en

Technology

Server
nginx
Social widgets
  • YouTube Embed

Third-party hosts loaded (1)

  • www.youtube-nocookie.com×2

Social

Contact

Phone

DNS records live

NS
  • ns1.rcodezero.at
  • ns2.rcodezero.at
TXT
  • google-site-verification=GVa-K3LtkLflrhidR_p_9iSJtia3EGSGpUuIYpRvRM0
  • _globalsign-domain-verification=WZtEDiZJZo6JPP6tsPV0jC6lz_Bqz_8fpt_w8lQigx

Email authentication no MX

SPF
v=spf1 ip4:193.170.187.2/32 ip4:193.104.82.0/24 ip4:83.136.33.224/27 a mx ~all
softfail (~all)
DMARC
v=DMARC1;p=reject;sp=none;pct=100;rua=mailto:dmarc-analyze@ops.nic.at;ruf=mailto:dmarc-analyze@ops.nic.at;
policy: reject (enforced) · sp=none
DKIM
no key found at common selectors

Certificate (current)

E7
from 2026-03-31 to 2026-06-29
Expires in 41 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.rcodezero.at/en

findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Links to (4)