acl enforces access control policies on source ip and prevents unauthorized access to DNS servers.
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any gives a minimal response to ANY queries.
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auto enables serving zone data from an RFC 1035-style master file, which is automatically picked up from disk.
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autopath allows for server-side search path completion.
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azure enables serving zone data from Microsoft Azure DNS service.
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bind overrides the host to which the server should bind.
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bufsize limits EDNS0 buffer size to prevent IP fragmentation.
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cache enables a frontend cache.
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cancel cancels a request’s context after 5001 milliseconds.
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chaos allows for responding to TXT queries in the CH class.
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clouddns enables serving zone data from GCP Cloud DNS.
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debug disables the automatic recovery upon a crash so that you’ll get a nice stack trace.
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dns64 enables DNS64 IPv6 transition mechanism.
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dnssec enables on-the-fly DNSSEC signing of served data.
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dnstap enables logging to dnstap.
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erratic a plugin useful for testing client behavior.
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errors enables error logging.
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etcd enables SkyDNS service discovery from etcd.
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file enables serving zone data from an RFC 1035-style master file.
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forward facilitates proxying DNS messages to upstream resolvers.
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geoip Lookup maxmind geoip2 databases using the client IP, then add associated geoip data to the context request.
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grpc facilitates proxying DNS messages to upstream resolvers via gRPC protocol.
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header modifies the header for queries and responses.
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hosts enables serving zone data from a /etc/hosts style file.
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health enables a health check endpoint.
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import includes files or references snippets from a Corefile.
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k8s_external resolves load balancer, external IPs from outside Kubernetes clusters and if enabled headless services.
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kubernetes enables reading zone data from a Kubernetes cluster.
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local respond to local names.
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loadbalance randomizes the order of A, AAAA and MX records.
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loop detects simple forwarding loops and halts the server.
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metadata enables a metadata collector.
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log enables query logging to standard output.
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nsid adds an identifier of this server to each reply.
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minimal minimizes size of the DNS response message whenever possible.
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pprof publishes runtime profiling data at endpoints under /debug/pprof.
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ready enables a readiness check HTTP endpoint.
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root simply specifies the root of where to find (zone) files.
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reload allows automatic reload of a changed Corefile.
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rewrite performs internal message rewriting.
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route53 enables serving zone data from AWS route53.
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sign adds DNSSEC records to zone files.
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secondary enables serving a zone retrieved from a primary server.
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whoami returns your resolver’s local IP address, port and transport.
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template allows for dynamic responses based on the incoming query.
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timeouts allows you to configure the server read, write and idle timeouts for the TCP, TLS and DoH servers.
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tls allows you to configure the server certificates for the TLS, gRPC, DoH servers.
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trace enables OpenTracing-based tracing of DNS requests as they go through the plugin chain.
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transfer perform (outgoing) zone transfers for other plugins.
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tsig define TSIG keys, validate incoming TSIG signed requests and sign responses.
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view defines conditions that must be met for a DNS request to be routed to the server block.
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