indexo.dev

chessopenings.com

.com crawl

First seen 2026-05-30 · Last seen 2026-05-30 · ok HTTP/1.1 200 877 ms crawled 2026-05-31

US · 172.67.143.180 · AS13335 Cloudflare, Inc.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Chess Openings
Description
It's all about chess openings here. There are plenty of instructional videos, position by position slides explanations of the main ideas of all major openings. Learn what chess openings to play, and learn how. Find recommendations on chess openings books, and explore visual ECO code guide.
Canonical
https://chessopenings.com

Technology

CDN
Cloudflare
Ads
  • Meta Pixel

Third-party hosts loaded (1)

  • connect.facebook.net×1

Social

Registration

Registrar
Cloudflare, Inc.
Created
1999-07-18
Expires
2029-05-05 1069 days left
Updated
2026-05-17
Name servers
  • jen.ns.cloudflare.com
  • pablo.ns.cloudflare.com

DNS records live

NS
  • jen.ns.cloudflare.com
  • pablo.ns.cloudflare.com
MX
  • 37 route1.mx.cloudflare.net
  • 46 route2.mx.cloudflare.net
  • 76 route3.mx.cloudflare.net
TXT
  • 3k7252267ghkjd49z0gkc1jncrjr1hpq

Email authentication weak

SPF
v=spf1 include:_spf.mx.cloudflare.net ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

E7
from 2026-05-09 to 2026-08-07
Expires in 68 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 60/100 Checked live page: https://chessopenings.com/

present
  • strict-transport-security
  • x-content-type-options
  • referrer-policy
findings
  • short HSTS max-age
  • missing Content Security Policy
  • missing frame protection
  • missing Permissions Policy
Header values
referrer-policy
same-origin
x-content-type-options
nosniff
strict-transport-security
max-age=10886400; includeSubDomains; preload

Links to (3)

Linked from (1)