indexo.dev

perltutorial.org

.org crawl

First seen 2026-04-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 755 ms crawled 2026-05-19

US · 104.21.88.194 · AS13335 Cloudflare, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Perl Tutorial
Description
This Perl tutorial helps you learn basic Perl Programming language from scratch with many examples.
Language
en-US
Generator
WordPress 6.9.1
Canonical
https://www.perltutorial.org/
Feeds

Open Graph

url
https://www.perltutorial.org/
title
Perl Tutorial
locale
en_US
site name
Perl Tutorial
description
This Perl tutorial helps you learn basic Perl Programming language from scratch with many examples.

Technology

CDN
Cloudflare
CMS
WordPress
Analytics
  • Google Tag Manager
Ads
  • Google Ads (DoubleClick)

Third-party hosts loaded (2)

  • securepubads.g.doubleclick.net×1
  • www.googletagmanager.com×1

Registration

Registrar
Name.com, Inc.
Created
2008-12-28
Expires
2026-12-28 221 days left
Updated
2026-02-11
Name servers
  • cory.ns.cloudflare.com
  • tia.ns.cloudflare.com

DNS records live

NS
  • cory.ns.cloudflare.com
  • tia.ns.cloudflare.com
MX
  • 0 mail.perltutorial.org

Email authentication weak

SPF
v=spf1 +a +mx +ip4:162.241.244.142 ~all
softfail (~all)
DMARC
not published
DKIM
  • default: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAulYHEzI7INyZMrTP9Zp9p0ZPMrMlDwCX6JlOniz+71kqB8YlQjeR5Zdqk4JN3VYGJLVRwidntoNcd0…
selectors probed

Certificate (current)

WE1
from 2026-05-01 to 2026-07-30
Expires in 70 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://perltutorial.org/

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

Linked from (1)