ctrld is a highly configurable DNS forwarding proxy.
This is free and open source software.
Key Features
- Multiple listeners for incoming queries.
- Multiple upstreams with fallbacks.
- Multiple network policy driven DNS query steering (via network cidr, MAC address or FQDN).
- Policy driven domain based “split horizon” DNS with wildcard support.
- Integrations with common router vendors and firmware.
- LAN client discovery via DHCP, mDNS, ARP, NDP, hosts file parsing.
- Prometheus metrics exporter.
- Supports all DNS protocols:
- UDP 53.
- DNS-over-HTTPS.
- DNS-over-TLS.
- DNS-over-HTTP/3 (DOH3).
- DNS-over-QUIC.
Website: github.com/Control-D-Inc/ctrld
Support:
Developer: Control D Inc
License: MIT License
ctrld is written in Go. Learn Go with our recommended free books and free tutorials.
Related Software
| Useful DNS Tools | |
|---|---|
| DNSControl | System for maintaining DNS zones |
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| DomainMOD | Manage domains and other internet assets in a central location |
| Poweradmin | Web-based DNS administration tool |
| dnsperf | Measure performance of authoritative domain name services |
| ctrld | Configurable DNS forwarding proxy |
| Atomia DNS | Multi-tenant system for handling large amounts of DNS data |
| SPFtoolbox | Look up DNS records |
| Designate | Multi-tenant DNSaaS service for OpenStack |
| dnsi | Tool to investigate the DNS |
| Digger | Modern DNS lookup tool with a graphical interface |
| dnst | Toolset to assist DNS operators with zone and nameserver maintenance |
| dnspyre | Command-line DNS benchmark tool |
Read our verdict in the software roundup.
 Explore our comprehensive directory of recommended free and open source software. Our carefully curated collection spans every major software category.This directory is part of our ongoing series of informative articles for Linux enthusiasts. It features hundreds of detailed reviews, along with open source alternatives to proprietary solutions from major corporations such as Google, Microsoft, Apple, Adobe, IBM, Cisco, Oracle, and Autodesk. You’ll also find interesting projects to try, hardware coverage, free programming books and tutorials, and much more. Discovered a useful open source Linux program that we haven’t covered yet? Let us know by completing this form. |