indexo.dev

corelearners.com

.com crawl

First seen 2026-05-09 · Last seen 2026-05-16 · ok HTTP/1.1 200 3446 ms crawled 2026-05-16

US · 173.254.28.228 · AS31898 Oracle Corporation

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Low level code – Closer to computers
Language
en-US
Generator
WordPress 6.9.4
Feeds

Technology

Server
nginx
CMS
WordPress
Fonts
  • Font Awesome
  • Google Fonts

Third-party hosts loaded (4)

  • fonts.googleapis.com×2
  • use.fontawesome.com×2
  • ajax.googleapis.com×1
  • gmpg.org×1

Registration

Registrar
Squarespace Domains II LLC
Created
2018-03-12
Expires
2027-03-12 295 days left
Updated
2026-02-25
Name servers
  • ns1.justhost.com
  • ns2.justhost.com

DNS records live

NS
  • ns1.justhost.com
  • ns2.justhost.com
MX
  • 0 mail.corelearners.com

Email authentication weak

SPF
v=spf1 a mx ptr include:justhost.com ?all
neutral (?all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-03-27 to 2026-06-25
Expires in 35 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (2)