postgresql.org

PostgreSQL: The world's most advanced open source database

Overview

• Status: alive
• First seen: 2026-09-21
• Last crawled: 2026-09-22
• Security grade: B (80/100)
• TLS certificate expires: 2026-10-30
• Inbound links seen: 1

Security & email signals

• ✓ HTTPS
• ✓ HSTS
• ✓ Content-Security-Policy
• ✗ X-Content-Type-Options
• ✓ X-Frame-Options
• ✗ Referrer-Policy
• ✗ Permissions-Policy
• ✓ SPF record
• ✓ DMARC record
• ✗ DKIM record
• ✓ Cookies set securely
• ✓ Has real content (not an empty shell)
• ✓ Valid TLS certificate

Detected technology

Infrastructure: Nginx · Varnish

Recent changes

• 2026-09-22 — TLS expiry changed from "2026-10-31" to "2026-10-30"
• 2026-09-22 — TLS expiry changed from "2026-10-31" to "2026-10-31"
• 2026-09-22 — TLS expiry changed from "2026-10-31" to "2026-10-31"
• 2026-09-22 — TLS expiry changed from "2026-10-31" to "2026-10-31"
• 2026-09-21 — TLS expiry changed from "2026-10-31" to "2026-10-31"

This profile is generated automatically from passive, publicly observable data. Think something here is wrong or want this profile removed? See /bot.