indexo.dev

op3.dev

.dev crawl

First seen 2026-04-11 · Last seen 2026-05-18 · ok HTTP/1.1 200 147 ms crawled 2026-05-18

US · 172.67.74.218 · AS13335 Cloudflare, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
OP3: The Open Podcast Prefix Project
Language
en
Canonical
https://op3.dev/

Technology

CDN
Cloudflare
Analytics
  • Cloudflare Insights

Third-party hosts loaded (2)

  • cdn.jsdelivr.net×2
  • static.cloudflareinsights.com×1

Social

Contact

Email

DNS records live

NS
  • ganz.ns.cloudflare.com
  • mckinley.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
  • google-site-verification=x4b-YQR6-ZeOhcf35sekSCr9tBSD60TNPg4oZ3Ecx5Y

Email authentication weak

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

Certificate (current)

E7
from 2026-05-08 to 2026-08-06
Expires in 79 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://op3.dev/

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

Links to (7)

Linked from (5)