indexo.dev

j12t.org

.org crawl

First seen 2026-06-02 · Last seen 2026-06-02 · ok HTTP/1.1 200 939 ms crawled 2026-06-03

US · 54.173.23.77 · AS14618 Amazon.com, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
Johannes Ernst | Welcome
Language
en
Canonical
https://j12t.org/

Open Graph

url
https://j12t.org/
title
Johannes Ernst | Welcome
locale
en_US
site name
Johannes Ernst

Technology

Server
Apache
Third-party hosts loaded (10)
  • analytics.indiecomputing.com×1
  • facebook.com×1
  • github.com×1
  • gitlab.com×1
  • j12t.social×1
  • lemmy.world×1
  • linkedin.com×1
  • reb00ted.org×1
  • threads.net×1
  • upon2020.com×1

Social

DNS records live

NS
  • ns1.indiecomp.com
  • ns2.indiecomp.com
  • ns3.indiecomp.com
  • ns4.indiecomp.com
MX
  • 10 mail.tutanota.de
TXT
  • t-verify=81fe4ed312de2cdd7857219c2c16a6b6

Email authentication strong

SPF
v=spf1 include:spf.tutanota.de -all
strict (-all)
DMARC
v=DMARC1; p=quarantine; adkim=s
policy: quarantine
DKIM
  • s1: v=DKIM1; k=rsa; h=sha256; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA4d/jridMLV9rZ/lBiDYA17BWKWIHnvLzCVGoFcOENqxLym8ro869rgp82mcxobr2kPyd…
  • s2: v=DKIM1; k=rsa; h=sha256; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA4d/jridMLV9rZ/lBiDYA17BWKWIHnvLzCVGoFcOENqxLym8ro869rgp82mcxobr2kPyd…
selectors probed

Certificate (current)

R12
from 2026-04-05 to 2026-07-04
Expires in 30 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://j12t.org/

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

Links to (32)

Linked from (1)