massdns — Resolve DNS records in bulk with high performance for reconnaissance. See also: `dig`, `dnsx`. More

Resolve `A` records for domains in a file using specified resolvers

massdns {{[-r|--resolvers]}} {{path/to/resolvers.txt}} {{path/to/domains.txt}}

Resolve a specific record type and write results to a file

massdns {{[-r|--resolvers]}} {{path/to/resolvers.txt}} {{[-t|--type]}} {{A|AAAA|NS|MX|TXT}} {{[-w|--outfile]}} {{path/to/output.txt}} {{path/to/domains.txt}}

Resolve domains with simple text output format

massdns {{[-r|--resolvers]}} {{path/to/resolvers.txt}} {{[-o|--output]}} S {{path/to/domains.txt}}

Resolve domains with JSON output format

massdns {{[-r|--resolvers]}} {{path/to/resolvers.txt}} {{[-o|--output]}} J {{path/to/domains.txt}}

Resolve domains with a custom number of concurrent lookups

massdns {{[-r|--resolvers]}} {{path/to/resolvers.txt}} {{[-s|--hashmap-size]}} {{10000}} {{path/to/domains.txt}}