indexo.dev

alexander-ludwig.com

.com crawl

First seen 2026-05-05 · Last seen 2026-05-12 · ok HTTP/1.1 200 842 ms crawled 2026-05-12

DE · 82.165.51.147 · AS8560 IONOS SE

Reputation 94/100 dmarc monitor-only

sector education type homepage

HTML metadata

Title
Prof. Dr. Alexander Ludwig - Main Page
Description
Homepage of Prof. Dr. Alexander Ludwig from European University Institute, Goethe University in Frankfurt
Language
en-US
Generator
WordPress 6.6.4
Canonical
https://alexander-ludwig.com/
Feeds

Open Graph

url
https://alexander-ludwig.com/
title
Prof. Dr. Alexander Ludwig - Main Page
locale
en_US
site name
Alexander Ludwig
description
Homepage of Prof. Dr. Alexander Ludwig from European University Institute, Goethe University in Frankfurt

Technology

Server
Apache
CMS
WordPress

Third-party hosts loaded (1)

  • gmpg.org×1

Contact

Phone

Registration

Registrar
IONOS SE
Created
2020-02-04
Expires
2027-02-04 259 days left
Updated
2025-12-14
Name servers
  • ns1023.ui-dns.com
  • ns1029.ui-dns.biz
  • ns1038.ui-dns.de
  • ns1101.ui-dns.org

DNS records live

NS
  • ns1023.ui-dns.com
  • ns1029.ui-dns.biz
  • ns1038.ui-dns.de
  • ns1101.ui-dns.org
MX
  • 10 mx00.ionos.de
  • 10 mx01.ionos.de

Email authentication partial

SPF
v=spf1 include:_spf-eu.ionos.com ~all
softfail (~all)
DMARC
v=DMARC1; p=none;
policy: none (monitoring only)
DKIM
no key found at common selectors

Certificate (current)

E7
from 2026-04-14 to 2026-07-13
Expires in 54 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://alexander-ludwig.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=31536000; includeSubDomains; preload

Links to (11)

Linked from (2)