indexo.dev

silbernagel.dev

.dev crawl

First seen 2026-04-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 1320 ms crawled 2026-05-19

US · 104.21.65.120 · AS13335 Cloudflare, Inc.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Home | Silbernagel.Dev
Description
Software engineer with a passion for open source software built on open standards and protocols
Language
en
Canonical
https://silbernagel.dev
Feeds

Open Graph

url
https://silbernagel.dev
title
Home
description
Software engineer with a passion for open source software built on open standards and protocols

Technology

CDN
Cloudflare

Third-party hosts loaded (3)

  • mirrors.creativecommons.org×3
  • freeradical.zone×1
  • github.com×1

Social

DNS records live

NS
  • becky.ns.cloudflare.com
  • evan.ns.cloudflare.com
MX
  • 10 mxext1.mailbox.org
  • 10 mxext2.mailbox.org
  • 20 mxext3.mailbox.org
TXT
  • openpgp4fpr:80C8F7AE64E589449FB0A03974DB6708422DD33B

Email authentication weak

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

Certificate (current)

WE1
from 2026-04-03 to 2026-07-02
Expires in 42 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 55/100 Checked live page: https://silbernagel.dev/

present
  • x-frame-options
  • x-content-type-options
  • referrer-policy
findings
  • missing HSTS
  • missing Content Security Policy
  • missing Permissions Policy
Header values
referrer-policy
strict-origin-when-cross-origin
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff

Links to (4)

Linked from (2)