indexo.dev

4ad.co

.co crawl

First seen 2026-05-10 · Last seen 2026-05-10 · ok HTTP/1.1 200 3369 ms crawled 2026-05-16

US · 52.12.39.67 · AS16509 Amazon.com, Inc.

Reputation 100/100

Classifying

HTML metadata

Language
en

Technology

Server
openresty
Ads
  • Meta Pixel
  • Xandr

Third-party hosts loaded (2)

  • connect.facebook.net×2
  • ib.adnxs.com×2

DNS records live

NS
  • ns-1186.awsdns-20.org
  • ns-1660.awsdns-15.co.uk
  • ns-202.awsdns-25.com
  • ns-827.awsdns-39.net

Email authentication no MX

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

Certificate (current)

R13
from 2026-04-24 to 2026-07-23
Expires in 65 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://4ad.co/

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=15724800; includeSubDomains

Linked from (1)