git-send-email.io

.io crawl

First seen 2026-04-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 167 ms crawled 2026-05-18

NL · 46.23.81.157 · AS60131 High5! B.V.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title: Learn to use email with git!

Technology

CMS: Gatsby

Social

DNS records live

NS

ns1.git-send-email.io
ns2.git-send-email.io
ns3.sr.ht

Email authentication no MX

SPF: not published
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

E8

from 2026-05-09 to 2026-08-07

Expires in 80 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 45/100 Checked live page: https://git-send-email.io/

present

content-security-policy

findings

missing HSTS
CSP allows unsafe inline scripts/styles
missing frame protection
missing content type protection
missing Referrer Policy
missing Permissions Policy

Header values

content-security-policy: default-src 'self' data: blob:; script-src 'self' 'unsafe-eval' 'unsafe-inline'; style-src 'self' 'unsafe-inline'; worker-src 'self' 'unsafe-eval' 'unsafe-inline' data: blob:; frame-src https:; img-src data: https:; media-src https:; object-src 'none'; sandbox allow-downloads allow-forms allow-modals allow-pointer-lock allow-popups allow-presentation allow-same-origin allow-scripts;

Links to (12)

Linked from (3)