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.
最大 CIDR 范围
| CIDR | IP 地址 | PTR Density | ASN | 国家 | 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
Quad9 拥有多少个 IP 地址？
Quad9 控制着 1.8K 个 IPv4 地址，分布在 6 个 CIDR 范围中。 该组织在 United States 注册。
Quad9 运营哪些 ASNs？
Quad9 运营 2 个自治系统s。每个 ASN 代表一个由 Quad9 管理的独立路由网络，用于互联网流量传输。
Quad9 是什么类型的组织？
Quad9 is categorized as unknown. 此分类基于该组织对其 IP 地址分配的主要用途。
