indexo.dev

codegrades.com

.com crawl

First seen 2026-04-11 · Last seen 2026-05-18 · ok HTTP/1.1 200 2279 ms crawled 2026-05-18

FR · 217.70.184.55 · AS29169 GANDI SAS

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
CodeGrades: Welcome
Description
CodeGrades help you learn to code with the confidence you need to make the stuff you want.
Language
en

Technology

Server
PythonAnywhere
CMS
Gatsby

Registration

Registrar
Gandi SAS
Created
2017-11-19
Expires
2026-11-19 183 days left
Updated
2025-10-09
Name servers
  • ns-154-c.gandi.net
  • ns-17-b.gandi.net
  • ns-206-a.gandi.net

DNS records live

NS
  • ns-154-c.gandi.net
  • ns-17-b.gandi.net
  • ns-206-a.gandi.net
MX
  • 1 aspmx.l.google.com
  • 10 aspmx2.googlemail.com
  • 10 aspmx3.googlemail.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com

Email authentication weak

SPF
v=spf1 include:_mailcust.gandi.net include:_spf.google.com ?all
neutral (?all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

GandiCert
from 2025-10-31 to 2026-11-01
Expires in 165 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 55/100 Checked live page: https://www.codegrades.com/

present
  • x-frame-options
  • x-content-type-options
  • referrer-policy
  • cross-origin-opener-policy
findings
  • missing HSTS
  • missing Content Security Policy
  • missing Permissions Policy
Header values
referrer-policy
same-origin
x-frame-options
DENY
x-content-type-options
nosniff
cross-origin-opener-policy
same-origin

Links to (6)

Linked from (1)