IPIP Address Lookup
IPv4public

9.9.9.9

Quad9 secure recursive DNS • Managed by Quad9

Profile updated: November 2026•Verified against IANA & RIR database allocations

Live Network Diagnostic

Try:
Your IP:

Overview of 9.9.9.9

9.9.9.9 is the primary resolver for Quad9, a non-profit foundation providing threat-blocking recursive DNS that automatically blocks malicious domains and phishing links.

Classification & Technical Details

  • Protocol Version: IPv4
  • Address Classification: PUBLIC (Globally Routable on BGP)
  • Managing Authority / Registry: Quad9
  • Primary ASN: AS19281
  • Authoritative Reverse DNS (PTR): dns9.quad9.net

Routing and Operational Purpose

The IP 9.9.9.9 is designated for Quad9 secure recursive DNS. In modern networking, proper identification of such infrastructure nodes is essential for diagnosing traceroute latency, verifying forward-confirmed reverse DNS (FCrDNS), and establishing trustworthy security policies.