marvinborner.de

.de crawl

First seen 2026-04-20 · Last seen 2026-05-14 · ok HTTP/1.1 200 1868 ms crawled 2026-05-14

US · 185.199.108.153 · AS54113 Fastly, Inc.

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title
Marvin
Description
Lambda calculus and related things
Language
en

Technology

CDN
Fastly
Server
GitHub.com

Third-party hosts loaded (1)

  • webring.xxiivv.com×1

Social

Registration

Updated
2021-01-15
Name servers
  • ns69.domaincontrol.com.
  • ns70.domaincontrol.com.

DNS records live

NS
  • ns69.domaincontrol.com
  • ns70.domaincontrol.com
MX
  • 50 mx0.marvinborner.de
TXT
  • google-site-verification=nItSrblLWDe_44MZVk3xo4-kfbqUBAfbi93F7lSq1do

Email authentication partial

SPF
v=spf1 a mx include:spf.server-he.de -all
strict (-all)
DMARC
v=DMARC1; p=none
policy: none (monitoring only)
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-03-23 to 2026-06-21
Expires in 33 days

HTTP security headers

Header hygiene 50/100 Checked live page: https://marvinborner.de/

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=31556952

Links to (11)

Linked from (1)