Unbound logo

Alternatives to Unbound

Unbound is a validating, recursive, and caching DNS resolver designed for security, speed, and reliability with built-in DNSSEC validation and modern DNS features. Find open source and proprietary alternatives that serve similar purposes.

License:BSD-3-Clause
Stars:3,527
Difficulty:Easy
Pricing:Free
Hosting:Self-Hosted

Self-hosted alternatives to Unbound

Open source projects that can replace Unbound:

CoreDNS logo

CoreDNS

13,043
Apache-2.0
CoreDNS screenshot

CoreDNS is a modern, flexible DNS server designed for cloud-native environments. As the default DNS server for Kubernetes, it provides powerful service discovery capabilities while maintaining simplicity and extensibility through its plugin architecture.

Key Features

  • Plugin-Driven Architecture:

    • Modular plugin system
    • Chain-based configuration
    • Custom plugin development
    • Hot configuration reloads
    • Extensible functionality
    • Community plugins
  • Cloud-Native Ready:

    • Kubernetes integration
    • Service discovery
    • Container-first design
    • Cloud platform support
    • Microservices architecture
    • Auto-scaling support
  • Modern DNS Standards:

    • DNS over HTTPS (DoH)
    • DNS over TLS (DoT)
    • DNSSEC validation
    • EDNS(0) support
    • IPv6 ready
    • gRPC support
  • Operations Excellence:

    • Zero-downtime reloads
    • Prometheus metrics
    • Health check endpoints
    • Simple configuration
    • Comprehensive logging
    • Performance monitoring
BIND logo

BIND

686
MPL-2.0
BIND screenshot

BIND is the most widely deployed DNS server software in the world, trusted by enterprises, service providers, and organizations globally. It provides a complete, robust, and standards-compliant DNS solution with decades of proven reliability.

Key Features

  • Complete DNS Solution:

    • Authoritative name server
    • Recursive resolver
    • Caching name server
    • Forwarding resolver
    • Split-horizon DNS
    • Dynamic DNS updates
  • Industry Standards:

    • Full RFC compliance
    • DNSSEC implementation
    • IPv6 support
    • EDNS(0) support
    • DNS over TLS (DoT)
    • Response Rate Limiting (RRL)
  • Enterprise Features:

    • Geographic load balancing
    • Split DNS views
    • Access control lists
    • Query rate limiting
    • Comprehensive logging
    • Statistics collection
  • Security & Reliability:

    • DNSSEC signing and validation
    • TSIG transaction signatures
    • Response policy zones (RPZ)
    • Blackhole and whitelist support
    • Secure zone transfers
    • DDoS protection
dnsmasq logo

dnsmasq

Unknown
dnsmasq screenshot

dnsmasq is the perfect solution for small networks that need DNS and DHCP services without the complexity of enterprise solutions. It's widely used in home routers, embedded systems, and small office environments where simplicity and reliability are key.

Key Features

  • Integrated Network Services:

    • DNS caching and forwarding
    • DHCP server functionality
    • TFTP server for network boot
    • Router advertisement (IPv6)
    • PXE boot support
    • Network time protocol
  • DNS Capabilities:

    • Recursive DNS resolver
    • Local domain resolution
    • Hosts file integration
    • Wildcard domain support
    • DNS-based ad blocking
    • Custom DNS records
  • DHCP Services:

    • IPv4 and IPv6 DHCP
    • Static IP reservations
    • DHCP option customization
    • Lease time management
    • Multiple network support
    • Vendor class matching
  • Small Network Optimized:

    • Minimal resource footprint
    • Single configuration file
    • No database requirements
    • Embedded system friendly
    • Router integration ready
    • Zero-configuration operation

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