Quad9 Application

Application Information

The following page provides details on domains, networks, IPs, hosting services, and content delivery networks used by Quad9.


Quad9 - Logo

Quad9 is a global public recursive DNS resolver that aims to protect users from malware and phishing.

Category Cybersecurity
Web Link Quad9 - Home Page

Network Intelligence

The network data shown here is also available via the Netify Data Feed API. We provide network intelligence to help deliver better digital experiences to end users and businesses.

Netify Data Feeds


Primary Domains

Network Ranges

  • and 2 more
Network Ranges
Some applications are deployed across network blocks. Only networks that are dedicated to an application are provided.

Protocol and Port Statistics

Protocol Port
DoT TCP 853
DoQ TCP 853
Application Stats
The adjacent table summarizes the top protocols/ports detected for this application.

Quad9 Network

Some organizations deploy all or parts of an application solution through their own infrastructure instead of third party hosting providers like AWS or Google Cloud Platform. The following is a sample of IP addresses on the Quad9 Network.

IP ASN Description ASN Route Location Shared
2620:fe::11 Quad9 AS19281 2620:fe::/48 Global
2620:fe::10 Quad9 AS19281 2620:fe::/48 Global
2620:fe::fe Quad9 AS19281 2620:fe::/48 Global
2620:fe::12 Quad9 AS19281 2620:fe::/48 Global
2620:fe::fe:9 Quad9 AS19281 2620:fe::/48 Global
2620:fe::fe:10 Quad9 AS19281 2620:fe::/48 Global
2620:fe::fe:11 Quad9 AS19281 2620:fe::/48 Global
2620:fe::9 Quad9 AS19281 2620:fe::/48 Global
2620:fe::fe:12 Quad9 AS19281 2620:fe::/48 Global Quad9 AS19281 Global Quad9 AS19281 Global Quad9 AS19281 Global Quad9 AS19281 Global Quad9 AS19281 Global Quad9 AS19281 Global Quad9 AS19281 Global Quad9 AS19281 Global Quad9 AS19281 Global Quad9 AS19281 Global Quad9 AS19281 Global Quad9 AS19281 Global

SaaS - Software-as-a-Service

Applications often use various third party platforms for providing authentication, advertising, website hosting, cybersecurity, e-mail services and more. The Software-as-a-Service (SaaS) platforms used by Quad9 are summarized below.

SaaS solutions are often deployed on multiple IPs across different geographical points-of-presence. In addition, it is common for these IP addresses to be shared by multiple applications. A sample IP is provided below.

SaaS # of IPs
Logo GitHub 8
Logo WoodyNet 3
Service Category Sample IP IP Count
- Logo GitHub Technology 8 IPs
- Logo WoodyNet Business 3 IPs

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