indexo.dev

extendsclass.com

.com crawl

First seen 2026-04-12 · Last seen 2026-05-19 · ok HTTP/1.1 200 505 ms crawled 2026-05-19

FR · 46.105.204.15 · AS16276 OVH SAS

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title
Toolbox for Developers
Description
Useful online Tools for Developers, Web developers and Webmaster.
Language
en-US
Canonical
https://extendsclass.com

Technology

Server
OVHcloud
Analytics
  • Google Tag Manager
Ads
  • Google AdSense

Third-party hosts loaded (2)

  • pagead2.googlesyndication.com×1
  • www.googletagmanager.com×1

Registration

Registrar
OVH sas
Created
2017-12-19
Expires
2030-12-19 1673 days left
Updated
2025-12-01
Name servers
  • dns200.anycast.me
  • ns200.anycast.me

DNS records live

NS
  • dns200.anycast.me
  • ns200.anycast.me
MX
  • 1 mx1.mail.ovh.net
  • 100 mx3.mail.ovh.net
  • 5 mx2.mail.ovh.net
TXT
  • 1|www.extendsclass.com
  • kaboozt-publisher-token=43ff6c07673cce882a37e55a518971ab
Verified for
  • Brevo

Email authentication partial

SPF
v=spf1 include:mx.ovh.com include:spf.sendinblue.com ~all
softfail (~all)
DMARC
v=DMARC1; p=none; rua=mailto:dmarc@extendsclass.com
policy: none (monitoring only)
DKIM
  • mail: k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDeMVIzrCa3T14JsNY0IRv5/2V1/v2itlviLQBwXsa7shBD6TrBkswsFUToPyMRWC9tbR/5ey0nRBH0ZVxp+lsmTxid2Y2…
selectors probed

Certificate (current)

E7
from 2026-04-12 to 2026-07-11
Expires in 51 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://extendsclass.com/

present
  • x-frame-options
  • x-content-type-options
findings
  • missing HSTS
  • missing Content Security Policy
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff

Linked from (1)