Quad9 Application

Application Information

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

Description

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

Quad9 - Domains

quad9.net and quad9.com are the primary domains associated with Quad9.

Network Ranges

9.9.9.0/24
149.112.112.0/24
149.112.149.0/24
199.249.255.0/24
216.21.3.0/24
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
HTTPS	TCP 443
DoQ	TCP 853
HTTPS	TCP 5053

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 active IP addresses on the Quad9 Network.

ASN Description	ASN	Route	Location	IP
Quad9	AS19281	2620:fe::/48	Global	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	9.9.9.0/24	United States	9.9.9.9
Quad9	AS19281	9.9.9.0/24	Switzerland	9.9.9.10
Quad9	AS19281	9.9.9.0/24	Switzerland	9.9.9.11
Quad9	AS19281	9.9.9.0/24	Switzerland	9.9.9.12
Quad9	AS19281	9.9.9.0/24	Switzerland	9.9.9.13
Quad9	AS19281	149.112.112.0/24	Global	149.112.112.9
Quad9	AS19281	149.112.112.0/24	Global	149.112.112.10
Quad9	AS19281	149.112.112.0/24	Global	149.112.112.11
Quad9	AS19281	149.112.112.0/24	Global	149.112.112.12
Quad9	AS19281	149.112.112.0/24	Global	149.112.112.112
Quad9	AS19281	149.112.112.0/24	Global	149.112.112.254
Quad9	AS19281	149.112.149.0/24	Global	149.112.149.254

SaaS - Software-as-a-Service

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