andreas-zeller.info

.info crawl

First seen 2026-04-11 · Last seen 2026-05-20 · ok HTTP/1.1 200 5555 ms crawled 2026-05-19

US · 185.199.110.153 · AS54113 Fastly, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title: About Me | Andreas Zeller
Description: Andreas Zeller does software research at CISPA, automatically testing, analyzing, and debugging code and its development process.
Language: en-US
Generator: Jekyll v3.10.0
Canonical: https://andreas-zeller.info/

Open Graph

url: https://andreas-zeller.info/
title: About Me
locale: en_US
site name: Andreas Zeller
description: Andreas Zeller does software research at CISPA, automatically testing, analyzing, and debugging code and its development process.

Technology

CDN: Fastly
Server: GitHub.com

Third-party hosts loaded (1)

cdn.jsdelivr.net×1

Social

Contact

Phone

+49681870831001

Registration

Registrar

united-domains GmbH

Created

2020-03-08

Expires

2027-03-08 290 days left

Updated

2026-04-22

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

10 mx01.mail.icloud.com
10 mx02.mail.icloud.com

TXT

apple-domain=WLrTFtCwNSzv5i10

Verified for

Google

Email authentication weak

SPF: v=spf1 include:icloud.com ~all
softfail (~all)
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

R12

from 2026-04-21 to 2026-07-20

Expires in 60 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://andreas-zeller.info/

findings

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