indexo.dev

jyn.dev

.dev crawl

First seen 2026-04-17 · Last seen 2026-05-08 · ok HTTP/1.1 200 237 ms crawled 2026-05-11

US · 104.26.15.230 · AS13335 Cloudflare, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
the website of jyn
Description
i write about code, and things that bring me joy, and sometimes other things too
Language
en
Feeds

Technology

CDN
Cloudflare

Social

DNS records live

NS
  • jerome.ns.cloudflare.com
  • mckenzie.ns.cloudflare.com
MX
  • 10 in1-smtp.messagingengine.com
  • 20 in2-smtp.messagingengine.com

Email authentication strong

SPF
v=spf1 include:spf.messagingengine.com ?all
neutral (?all)
DMARC
v=DMARC1; p=quarantine; rua=mailto:jyn514@gmail.com
policy: quarantine
DKIM
no key found at common selectors

Certificate (current)

WE1
from 2026-03-24 to 2026-06-22
Expires in 32 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://jyn.dev/

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

Links to (2)

Linked from (1)