indexo.dev

copperhill.io

.io crawl

First seen 2026-04-23 · Last seen 2026-05-14 · ok HTTP/1.1 200 10168 ms crawled 2026-05-17

US · 52.162.107.48 · AS8075 Microsoft Corporation

Reputation 92/100 no dmarc policy

sector other type homepage

HTML metadata

Title
Copper Hill
Language
en

Technology

Server
Kestrel
Fonts
  • Google Fonts

Third-party hosts loaded (2)

  • fonts.googleapis.com×1
  • fonts.gstatic.com×1

DNS records

Email authentication weak

SPF
v=spf1 include:spf.efwd.registrar-servers.com ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

GeoTrust TLS RSA CA G1
from 2026-02-07 to 2026-08-08
Expires in 80 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 90/100 Checked live page: https://copperhill.io/

present
  • strict-transport-security
  • content-security-policy
  • x-frame-options
  • x-content-type-options
findings
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff
content-security-policy
frame-ancestors 'self'
strict-transport-security
max-age=31536000; includeSubDomains; preload

Linked from (1)