indexo.dev

ursus-lang.dev

.dev crawl

First seen 2026-05-31 · Last seen 2026-05-31 · ok HTTP/1.1 200 307 ms crawled 2026-06-01

US · 185.199.111.153 · AS54113 Fastly, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Introduction - URSUS language Documentation
Language
en

Technology

CDN
Fastly
Server
GitHub.com

DNS records live

NS
  • dns1.namecheaphosting.com
  • dns2.namecheaphosting.com
MX
  • 10 mx2-hosting.jellyfish.systems
  • 20 mx3-hosting.jellyfish.systems
  • 5 mx1-hosting.jellyfish.systems

Email authentication weak

SPF
not published
DMARC
not published
DKIM
  • default: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAw/iBReAn873bIp6DfJAbgi6mGq7Rpy5tKtjnNPH7HKNwnaaMBOzZ0R8zfmEuej1buw8YBFToVKE8Av…
selectors probed

Certificate (current)

R12
from 2026-05-02 to 2026-07-31
Expires in 58 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://ursus-lang.dev/

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

Linked from (1)