indexo.dev

webreference.com

.com crawl

First seen 2026-04-14 · Last seen 2026-05-05 · ok HTTP/1.1 200 152 ms crawled 2026-05-07

US · 104.21.65.88 · AS13335 Cloudflare, Inc.

Reputation 89/100 weak security headers dmarc monitor-only

sector tech type docs

HTML metadata

Title
Web Reference - Code Documentation, Tutorials, and Demos
Description
Easy to understand examples and reference documentation to help you learn how to code in HTML, CSS, PHP, SQL, JavaScript, Python, and more.
Language
en

Technology

CDN
Cloudflare
CMS
Next.js

Registration

Registrar
NameCheap, Inc.
Created
1998-05-05
Expires
2027-05-04 350 days left
Updated
2026-04-15
Name servers
  • isabel.ns.cloudflare.com
  • quincy.ns.cloudflare.com

DNS records live

NS
  • isabel.ns.cloudflare.com
  • quincy.ns.cloudflare.com
MX
  • 10 mail.protonmail.ch
  • 20 mailsec.protonmail.ch
TXT
  • google-site-verification=9NYwPFDWexFV9mrjo51M9NKp-AAYMfAlmB_MfgIhNxo
  • protonmail-verification=c6fdafc8cfe9557f354d175f8d02f82a73cdf122

Email authentication partial

SPF
v=spf1 include:_spf.protonmail.ch mx ~all
softfail (~all)
DMARC
v=DMARC1; p=none
policy: none (monitoring only)
DKIM
no key found at common selectors

Certificate (current)

E7
from 2026-05-05 to 2026-08-03
Expires in 76 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://webreference.com/

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

Links to (8)

Linked from (1)