indexo.dev

c8n.io

.io crawl

First seen 2026-04-11 · Last seen 2026-05-18 · ok HTTP/1.1 200 1718 ms crawled 2026-05-18

DE · 3.123.83.44 · AS16509 Amazon.com, Inc.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Harbor

DNS records live

NS
  • dana.ns.cloudflare.com
  • guy.ns.cloudflare.com
MX
  • 10 spool.mail.gandi.net
  • 50 fb.mail.gandi.net
TXT
  • google-site-verification=R5JV3OdJN0i1RJ0xxxbSxaDxpXxncFowZXfrEeqEaNM

Email authentication weak

SPF
v=spf1 include:_mailcust.gandi.net ?all
neutral (?all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-03-31 to 2026-06-29
Expires in 40 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://c8n.io/

present
  • strict-transport-security
findings
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
strict-transport-security
max-age=31536000; includeSubDomains

Linked from (1)