tetr.io

.io crawl

First seen 2026-04-15 · Last seen 2026-05-13 · ok HTTP/1.1 200 916 ms crawled 2026-05-09

US · 104.26.5.36 · AS13335 Cloudflare, Inc.

Reputation 100/100

sector gaming type homepage

HTML metadata

Title: TETR.IO
Description: Play TETR.IO, the free-to-win online stacker game in the same genre as Tetris. Face off against the world in multiplayer, or claim a spot on the leaderboards!

Open Graph

title: TETR.IO
description: Puzzle together in this free-to-win modern yet familiar online stacker in the same genre as Tetris. Play multiplayer games against friends and foes all over the world, or claim a spot on the leaderboards - the stacker future is yours!

Technology

CDN: Cloudflare

Analytics

Google Tag Manager

Ads

Amazon Ads

Third-party hosts loaded (11)

a.pub.network×1
api.btloader.com×1
b.pub.network×1
btloader.com×1
c.amazon-adsystem.com×1
c.pub.network×1
cdn.confiant-integrations.net×1
cdn.xsolla.net×1
d.pub.network×1
s.amazon-adsystem.com×1
www.googletagmanager.com×1

Social

DNS records live

NS

jillian.ns.cloudflare.com
keaton.ns.cloudflare.com

MX

10 mail.osk.sh

TXT

google-site-verification=lGb4ibloHjDHc-oulmQz63Led2tW_Xb1zXSIns1eGN0

Email authentication strong

SPF

v=spf1 mx -all

strict (-all)

DMARC

v=DMARC1; p=quarantine; rua=mailto:postmaster@osk.sh

policy: quarantine

DKIM

mail: v=DKIM1; h=sha256; k=rsa; s=email; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqX9dCje1tbWDuBYDjbz0g7OmcNlwrIY0gUm6+IuL+dQxHiquIJS8pEaL4sm…

selectors probed

Certificate (current)

WE1

from 2026-04-29 to 2026-07-28

Expires in 70 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 75/100 Checked live page: https://tetr.io/

present

strict-transport-security
x-frame-options
x-content-type-options
referrer-policy

findings

missing Content Security Policy
missing Permissions Policy

Header values

referrer-policy: strict-origin-when-cross-origin
x-frame-options: SAMEORIGIN
x-content-type-options: nosniff
strict-transport-security: max-age=31536000; includeSubDomains; preload

Links to (6)

Linked from (2)

immjs.dev×2
skushagra.com×1