Reputation · trust score
A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.
- Baseline (neutral) 65
- Trust score 65 / 100
Experimental · trust-vectors model v1.2.1 — a transparent heuristic, not a definitive verdict. How it works →
About Quad9
Quad9 is a global public recursive DNS resolver that blocks access to domains associated with malware and phishing. Quad9 is operated by the Quad9 Foundation, a Swiss public-benefit, not-for-profit foundation, headquartered in Zürich.
Operates 2 networks present at 1 internet exchange with a restrictive peering policy.
Países atendidos por Quad9
Todos los países donde esta organización tiene asignaciones IPv4, ordenados por IPs en su poder.
Rangos CIDR más grandes
| CIDR | IPs | PTR Density | ASN | País | State | City |
|---|---|---|---|---|---|---|
| 68.65.126.0/23 | 512 |
0.0%
|
AS398891 | US | — | — |
| 9.9.9.0/24 | 256 |
1.6%
|
AS19281 | US | — | — |
| 147.72.242.0/24 | 256 |
1.6%
|
AS19281 | US | — | — |
| 149.112.112.0/24 | 256 |
2.0%
|
AS19281 | US | — | — |
| 149.112.149.0/24 | 256 |
2.0%
|
AS19281 | US | — | — |
| 199.249.255.0/24 | 256 |
0.4%
|
AS19281 | US | — | — |
Frequently Asked Questions
¿Cuántas direcciones IP posee Quad9?
Quad9 controla 1.8K direcciones IPv4 distribuidas en 6 rangos CIDR. La organización está registrada en United States.
¿Qué ASNs opera Quad9?
Quad9 opera 2 Sistema Autónomos. Cada ASN representa una red enrutada de forma independiente que Quad9 gestiona para la entrega de tráfico de internet.
¿Qué tipo de organización es Quad9?
Quad9 is categorized as unknown. Esta clasificación se basa en el uso principal que la organización hace de sus asignaciones de direcciones IP.