indexo.dev

jstem.io

.io crawl

First seen 2026-05-27 · Last seen 2026-05-27 · ok HTTP/1.1 200 698 ms crawled 2026-05-30

US · 104.225.208.23 · AS46505 NixiHost.com Incorporated

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Index of /

Technology

Server
LiteSpeed

Contact

Address
Proudly Served by LiteSpeed Web Server at jstem.io Port 443

DNS records live

NS
  • ns03.domaincontrol.com
  • ns04.domaincontrol.com
MX
  • 0 jstem-io.mail.protection.outlook.com

Email authentication weak

SPF
v=spf1 include:spf.protection.outlook.com -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-05-22 to 2026-08-20
Expires in 70 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://jstem.io/

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

Linked from (1)

Use this data via API

Everything on this page for jstem.io is available as JSON from the indexo.dev REST & MCP API.

curl "https://indexo.dev/api/v1/domains/jstem.io" \
  -H "X-API-Key: idx_..."

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