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Categories
Cybersecurity
Endpoint Detection and Response (EDR)
Cloud Security Posture Management (CSPM)
Extended Detection and Response (XDR)
Endpoint Protection Platform (EPP)
Vulnerability Management
Security Information and Event Management (SIEM)
Firewalls
Container Security
Cloud-Native Application Protection Platforms (CNAPP)
Advanced Threat Protection (ATP)
Cloud Workload Protection Platforms (CWPP)
Attack Surface Management (ASM)
Threat Intelligence Platforms
Identity Threat Detection and Response (ITDR)
Anti-Malware Tools
Cloud and Data Center Security
Data Security Posture Management (DSPM)
ZTNA as a Service
Secure Access Service Edge (SASE)
Internet Security
IT Management
Log Management
IT Infrastructure Monitoring
Remote Access
Configuration Management
Server Monitoring
Server Virtualization Software
Managed DNS
Container Monitoring
Operating Systems (OS) for Business
Virtual Desktop Infrastructure (VDI)
Virtualization Management Tools
Workload Automation
Container Management
IT Asset Management
IT Service Management (ITSM)
Managed File Transfer (MFT)
User Provisioning Software
IT Financial Management
IT Alerting and Incident Management
Container Registry
Cloud Computing
Microsoft Security Suite
Cloud Monitoring Software
Cloud Backup
Cisco Security Portfolio
PaaS Clouds
Cloud Management
Infrastructure as a Service Clouds (IaaS)
Cloud Migration
AWS Marketplace
Hybrid Cloud Computing Platforms
Cloud Storage
MSP Backup
Cloud Cost Management
Public Cloud Storage Services
Cloud Analytics
Software Defined Data Center (SDDC)
OpenStack
Compute Service
Cloud Storage Gateways
In-Memory Data Store Services
Data Management
Data Integration
Compliance Management
Cloud Data Integration
Data Governance
Cloud Data Warehouse
Data Warehouse
Relational Databases Tools
Open Source Databases
Vector Databases
Deduplication Software
Metadata Management
Data Quality
Data Masking
Cloud Master Data Management (MDM) Solutions
NoSQL Databases
Data Observability
Embedded Database
Database Development and Management
Product Information Management (PIM)
Database as a Service (DBaaS)
Application Development Software
Application Performance Monitoring (APM) and Observability
Application Security Tools
Static Application Security Testing (SAST)
Rapid Application Development Software
IT Operations Analytics
DevSecOps
Software Development Analytics
API Testing Tools
Test Automation Tools
Functional Testing Tools
Application Security Posture Management (ASPM)
Application Lifecycle Management (ALM) Suites
Mobile APM
Enterprise Agile Planning Tools
Regression Testing Tools
Release Automation
Patch Management
Build Automation
Software Supply Chain Security
Mobile App Testing Tools
Data Protection and Storage
Backup and Recovery
Disaster Recovery (DR) Software
All-Flash Storage
Software Defined Storage (SDS)
NVMe All-Flash Storage Arrays
NAS
HCI
File and Object Storage
SaaS Backup
Enterprise SAN
Rack Servers
File Archiving
Modular SAN (Storage Area Network)
Blade Servers
Container Backup Software
Disk Based Backup Systems
Converged Infrastructure
Data Replication
Application Server
File System Software
Enterprise Communications and Networking
Network Monitoring Software
WAN Edge
Software Defined WAN (SD-WAN) Solutions
AIOps
Secure Web Gateways (SWG)
CDN
Ethernet Switches
Wireless LAN
Network Traffic Analysis (NTA)
Network Automation
Network Management Applications
Application Delivery Controllers (ADC)
Network Troubleshooting
Virtual Routers
LAN Switching
Routers
AV Over IP Switching
Wireless WAN
WAN Optimization
IP Address Management (IPAM) Tools
Enterprise Architecture and Integration
API Management
Integration Platform as a Service (iPaaS)
Streaming Analytics
Business-to-Business Middleware
Event Monitoring
Application Infrastructure
Message Queue (MQ) Software
Enterprise Service Bus (ESB)
Data Migration Appliances
Message Oriented Middleware (MOM)
SOA Application Gateways
Migration Tools
General Purpose HSM
SOA Governance
Payment HSM
Web Access Management
CEP
Code Signing Management
Enterprise Applications
AI-Powered Cybersecurity Platforms
Business Process Management (BPM)
Email Security
Process Automation
BI (Business Intelligence) Tools
Business Process Design
Data Science Platforms
Reporting
Low-Code Development Platforms
Robotic Process Automation (RPA)
Secure Email Gateway (SEG)
Data Visualization
Process Mining
ERP
Email Archiving
No-Code Development Platforms
AI Development Platforms
Project Management Software
Talent Management
Agentic Automation
Customer Care
Help Desk Software
CRM
AI-Powered Chatbots
Data Management Platforms (DMP)
Digital Experience Monitoring (DEM)
Customer Experience Management
CRM Customer Engagement Centers
Contact Center as a Service (CCaaS)
Field Service Management
Contact Center Platforms
Workforce Engagement Management
Digital Experience Platforms (DXP)
Social CRM
Social Media Management Solutions
Customer Communications Management (CCM)
Contact Center Infrastructure
Live Chat
IVR Systems
Customer Data Analysis
Partner Relationship Management (PRM)
Wireless and Mobile Technology
Mobile Development Platforms
Mobile Device Management (MDM)
Mobile App Platforms
Mobile Marketing and Advertising
Mobile Application Management
Instant Communications Security and Compliance
Mobile Measurement Partner (MMP)
Mobile Communication Gateways
Managed Mobility Services
Text Messaging
Mobile Platforms
Mobile Video Optimization
Data Center and Facilities Management
Data Center Networking
Enterprise Asset Management (EAM)
Data Center Infrastructure Management
Data Center Power Solutions
Data Center Cooling Systems
Workplace Management Software
Computerized Maintenance Management Software (CMMS)
Facility Maintenance Management Software
Data Center Monitoring
Workplace Analytics Software
Wiring and Cabling Solutions
All categories
Comparisons
Top comparisons
Netgate pfSense vs. OPNsense
Cloudflare vs. Quad9
Fortinet FortiGate vs. Sophos XG
Figma vs. Miro
Amazon API Gateway vs. Microsoft Azure API Management
Checkmarx One vs. SonarQube Server (formerly SonarQube)
GitLab vs. Microsoft Azure DevOps
Hyper-V vs. VMware vSphere
MinIO vs. Red Hat Ceph Storage
AWS Secrets Manager vs. Azure Key Vault
Amazon Web Services (AWS)
Amazon API Gateway vs. Microsoft Azure API Management
AWS Secrets Manager vs. Azure Key Vault
Akamai Connected Cloud (Linode) vs. Amazon AWS
Amazon Route 53 vs. Azure DNS
AWS GuardDuty vs. Microsoft Defender for Cloud
Amazon EFS (Elastic File System) vs. Microsoft Azure File Storage
Amazon QuickSight vs. Microsoft Power BI
Amazon EKS vs. Red Hat OpenShift Container Platform
AWS Security Hub vs. Microsoft Sentinel
AWS Database Migration Service vs. AWS Glue
Cisco
Cisco Secure Firewall vs. Fortinet FortiGate
Aruba Wireless vs. Cisco Wireless
Aruba ClearPass vs. Cisco Identity Services Engine (ISE)
Aruba Switches vs. Cisco Ethernet Switches
Cisco Umbrella vs. Zscaler Internet Access
Arista Networks Platform vs. Cisco Catalyst Switches
Cisco Meraki Wireless LAN vs. Juniper Mist Wireless Access Points
Cisco Linksys Ethernet Switches vs. NETGEAR Switches
Cisco Enterprise Routers vs. MikroTik Routers and Switches
Meraki MX vs. Palo Alto Networks NG Firewalls
Dell Technologies
Dell PowerEdge Rack Servers vs. HPE ProLiant DL Servers
Dell PowerFlex vs. VxRail
Dell PowerStore vs. Dell Unity XT
Dell PowerProtect DD (Data Domain) vs. HPE StoreOnce
Dell PowerEdge T vs. HPE Proliant ML
Dell Avamar vs. Dell PowerProtect Data Manager
Dell PowerScale (Isilon) vs. NetApp FAS Series
Amazon AWS vs. Dell ECS
Dell RecoverPoint for Virtual Machines vs. VMware Live Recovery
Cisco Catalyst Switches vs. Dell PowerConnect Switches [EOL]
Fortinet
Fortinet FortiGate vs. Sophos XG
Fortinet FortiClient vs. OpenVPN Access Server
Cisco Identity Services Engine (ISE) vs. Fortinet FortiNAC
Cisco Ethernet Switches vs. Fortinet FortiSwitch - Secure Access
Fortinet FortiGate Cloud vs. Fortinet FortiManager
Azure Firewall vs. Fortinet FortiGate-VM
F5 Advanced WAF vs. Fortinet FortiWeb
CrowdStrike Falcon vs. Fortinet FortiEDR
Fortinet FortiGate SWG vs. Fortinet FortiProxy
F5 BIG-IP Local Traffic Manager (LTM) vs. Fortinet FortiADC
Hewlett Packard Enterprise
Aruba Wireless vs. Cisco Wireless
Dell PowerEdge Rack Servers vs. HPE ProLiant DL Servers
Aruba ClearPass vs. Cisco Identity Services Engine (ISE)
Aruba Switches vs. Cisco Ethernet Switches
HPE SimpliVity vs. VxRail
Dell PowerProtect DD (Data Domain) vs. HPE StoreOnce
Dell PowerEdge T vs. HPE Proliant ML
Dell PowerStore vs. HPE Alletra Storage
HPE 3PAR StoreServ vs. HPE Primera
HPE BladeSystem vs. HPE Synergy
IBM
ActiveMQ vs. IBM MQ
Open Liberty vs. Spring Boot
IBM API Connect vs. IBM DataPower Gateway
IBM Security QRadar vs. Splunk Enterprise Security
Dell PowerStore vs. IBM FlashSystem
IBM Db2 Database vs. SQL Server
IBM MaaS360 vs. Microsoft Intune
IBM Security Guardium Data Protection vs. Imperva SecureSphere Database Security
IBM DOORS vs. Polarion Requirements
IBM Power Systems vs. Intel Server System
Microsoft
Amazon API Gateway vs. Microsoft Azure API Management
GitLab vs. Microsoft Azure DevOps
Hyper-V vs. VMware vSphere
AWS Secrets Manager vs. Azure Key Vault
Jamf Pro vs. Microsoft Intune
Microsoft Power Automate vs. UiPath
Microsoft Power BI vs. Tableau
Amazon Route 53 vs. Azure DNS
AWS GuardDuty vs. Microsoft Defender for Cloud
Amazon EFS (Elastic File System) vs. Microsoft Azure File Storage
Oracle
Oracle Linux vs. Ubuntu Linux
Oracle VM VirtualBox vs. Proxmox VE
Oracle VM vs. VMware vSphere
Firebird SQL vs. MySQL
Oracle Database vs. SAP HANA
Microsoft Azure vs. Oracle Cloud Infrastructure (OCI)
Microsoft Power Apps vs. Oracle Application Express (APEX)
Oracle HCM Cloud vs. SAP SuccessFactors
Oracle Data Integrator (ODI) vs. Oracle Integration Cloud Service
NetSuite ERP vs. Oracle Fusion Cloud ERP
SAP
SAP ERP vs. SAP S/4HANA
Oracle Database vs. SAP HANA
Amazon AWS vs. SAP Cloud Platform
SAP HCM vs. SAP SuccessFactors
Celonis vs. SAP Signavio Process Manager
SAP Analytics Cloud vs. SAP BusinessObjects Business Intelligence Platform
Microsoft Dynamics CRM vs. SAP CRM
Oracle WMS vs. SAP Warehouse Management
Kinaxis vs. SAP Integrated Business Planning for Supply Chain
SAP PowerDesigner vs. erwin Data Modeler by Quest
VMware
Hyper-V vs. VMware vSphere
Jakarta EE vs. Spring Boot
VMware Fusion Pro vs. VMware Workstation
VMware vSAN vs. VxRail
Microsoft Azure vs. Pivotal Cloud Foundry
VMware Live Recovery vs. Veeam Data Platform
Rancher Labs vs. VMware Tanzu Platform
Azure Stack vs. VMware Cloud Foundation
Red Hat Ansible Automation Platform vs. VMware Aria Automation
CrowdStrike Falcon vs. VMware Carbon Black Endpoint
More comparisons
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Managed DNS
Quad9
Pros & Cons
Quad9 pros and cons
Vendor:
Quad9 DNS
3.0
out of 5
2 reviews
50% willing to recommend
Follow
Start review
Overview
Reviews
Pros & Cons
Pricing
Alternatives
Quad9 Pros review quotes
Benoit Tellier
IT Telehealth Specialist at Clinical & Support Options
Dec 11, 2023
The most valuable feature of Quad9 is that it is a free solution.
Read full review
Louis Geoffroy
President at IDEBUG
May 25, 2023
Setting up Quad9 is straightforward if you know what you're doing, and it's easy to use overall.
Read full review
Quad9 Cons review quotes
Benoit Tellier
IT Telehealth Specialist at Clinical & Support Options
Dec 11, 2023
Quad9 could improve by having more free features, such as custom DNS filtering.
Read full review
Louis Geoffroy
President at IDEBUG
May 25, 2023
It used to work fine for all the devices, but it started to slow and become non-responsive. I would have to reload the page two or three times before all the pages loaded. With OpenDNS, I only need to load the page once.
Read full review
Product Categories
Product Categories
Managed DNS
Internet Security
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Product Categories
Product Categories
Managed DNS
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Popular Comparisons
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Related questions
5,588
Which would you choose - Cloudflare DNS or Quad9?
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