indexo.dev

21tsi.com

.com crawl

First seen 2026-05-16 · Last seen 2026-05-16 · ok HTTP/1.1 200 5783 ms crawled 2026-05-20

DE · 35.157.26.135 · AS16509 Amazon.com, Inc.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
21 TSI | Join The Future Of The Sports Industry
Description
21TSI Technology, Design, Accessibility, and Affordability are about to upend the consumer sports products & services sector.
Language
en

Open Graph

url
https://21tsi.com
title
21 TSI | Join The Future Of The Sports Industry
locale
en_US
site name
21 TSI | Join The Future Of The Sports Industry
description
21TSI Technology, Design, Accessibility, and Affordability are about to upend the consumer sports products & services sector.

Technology

CDN
Netlify
Analytics
  • Google Tag Manager

Third-party hosts loaded (2)

  • www.facebook.com×1
  • www.googletagmanager.com×1

Contact

Email
Phone

Registration

Registrar
NameCheap, Inc.
Created
2024-06-13
Expires
2027-06-13 388 days left
Updated
2026-05-14
Name servers
  • dns1.p05.nsone.net
  • dns2.p05.nsone.net
  • dns3.p05.nsone.net
  • dns4.p05.nsone.net

DNS records live

NS
  • dns1.p05.nsone.net
  • dns2.p05.nsone.net
  • dns3.p05.nsone.net
  • dns4.p05.nsone.net
MX
  • 1 smtp.google.com
Verified for
  • Google

Email authentication weak

SPF
not published
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

E8
from 2026-04-10 to 2026-07-09
Expires in 50 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://21tsi.com/

present
  • strict-transport-security
findings
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
strict-transport-security
max-age=31536000

Linked from (1)