massdns

High-performance DNS stub resolver for bulk DNS lookups

brewmacoslinux

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High-performance DNS stub resolver

massdns

Resolve a list of domains from a file using public resolvers$ massdns -r resolvers.txt domains.txt

Perform DNS lookups with JSON output format$ massdns -r resolvers.txt -o J -w output.json domains.txt

Query specific DNS record types (MX records) with statistics$ massdns -r resolvers.txt -t MX -s domains.txt