indexo.dev

tum-blockchain.com

.com crawl

First seen 2026-05-03 · Last seen 2026-05-15 · ok HTTP/1.1 200 837 ms crawled 2026-05-09

US · 76.76.21.21 · AS16509 Amazon.com, Inc.

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title
TUM Blockchain Club
Description
The largest student-led blockchain club in Germany.
Language
en

Technology

CDN
Vercel
CMS
Next.js

Social

Registration

Registrar
united-domains GmbH
Created
2022-04-27
Expires
2027-04-27 342 days left
Updated
2026-04-28
Name servers
  • ns.udag.de
  • ns.udag.net
  • ns.udag.org

DNS records live

NS
  • ns.udag.de
  • ns.udag.net
  • ns.udag.org
MX
  • 1 smtp.google.com
TXT
  • brevo-code:974fba37ef62fc7e8ff81309d1d045f7
  • proxy-ssl.webflow.com
  • google-site-verification=Si0tJqWrP_7YZTBiv7WqhIKxfT26oWdCRVrtOz1NDqw

Email authentication partial

SPF
v=spf1 include:26649021.spf06.hubspotemail.net include:_spf.google.com -all
strict (-all)
DMARC
v=DMARC1; p=none; rua=mailto:rua@dmarc.brevo.com
policy: none (monitoring only)
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-03-25 to 2026-06-23
Expires in 34 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://www.tum-blockchain.com/

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 (16)

Linked from (2)