gummibeer.dev

.dev crawl

First seen 2026-05-11 · Last seen 2026-05-11 · ok HTTP/1.1 200 6750 ms crawled 2026-05-17

US · 172.67.139.125 · AS13335 Cloudflare, Inc.

Reputation 100/100

sector gaming type homepage

HTML metadata

Title: Tom Herrmann - Gummibeer
Description: I'm an enthusiastic web developer and free time gamer from Hamburg, Germany.
Language: en
Canonical: https://gummibeer.dev

Open Graph

url: https://gummibeer.dev
title: Tom Herrmann - Gummibeer
locale: en
description: I'm an enthusiastic web developer and free time gamer from Hamburg, Germany.

Technology

CDN: Cloudflare
CMS: Gatsby

Analytics

Cloudflare Insights

Third-party hosts loaded (6)

webmention.io×2
cloudflareinsights.com×1
github.com×1
instagram.com×1
static.cloudflareinsights.com×1
twitter.com×1

Social

Contact

Phone

+491621525105

DNS records live

NS

dahlia.ns.cloudflare.com
frank.ns.cloudflare.com

MX

1 aspmx.l.google.com
10 alt3.aspmx.l.google.com
10 alt4.aspmx.l.google.com
5 alt1.aspmx.l.google.com
5 alt2.aspmx.l.google.com

TXT

have-i-been-pwned-verification=dweb_dlnnucbx6ibmv52klfo3ejfv

Verified for

Brave
Google
OpenAI

Email authentication strong

SPF

v=spf1 include:_spf.google.com ~all

softfail (~all)

DMARC

v=DMARC1; p=quarantine;

policy: quarantine

DKIM

google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAlooo/wyRKjNPoxPutqiF9cukTAeGHwk8E5pLANkFNrmvzMsKSJV+E4buz7cdb97Uxv67unWlxVHzSm…

selectors probed

Certificate (current)

WE1

from 2026-03-29 to 2026-06-27

Expires in 38 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 90/100 Checked live page: https://gummibeer.dev/

present

strict-transport-security
content-security-policy
x-frame-options
x-content-type-options
referrer-policy

findings

CSP allows unsafe inline scripts/styles
missing Permissions Policy

Header values

referrer-policy: no-referrer-when-downgrade
x-frame-options: DENY
x-content-type-options: nosniff
content-security-policy: default-src 'self'; base-uri 'self'; connect-src https://search.gummibeer.dev https://u.gummibeer.dev; form-action 'none'; frame-src https://utteranc.es; frame-ancestors 'none'; child-src 'none'; font-src 'self' https://cdn.gummibeer.dev; img-src 'self' https://img.gummibeer.dev https://cdn.gummibeer.dev; media-src 'none'; object-src 'none'; script-src 'self' 'unsafe-eval' https://cdn.gummibeer.dev https://u.gummibeer.dev https://utteranc.es/client.js; style-src 'self' 'unsafe-inline' https://cdn.gummibeer.dev
strict-transport-security: max-age=31536000