Mass DNS resolution tool
Pipe the list of names to resolve to
stdin, one entry per line.
By default, Massresolver doesn't use any upstream caching resolvers,
and solely uses
This can be changed by defining
USE_LOCALHOST or `USE_RESOLVCONF.
Up to 640 queries will run in parallel, but this can be changed using
Even with the default number of queries, you may have to adjust the
maximum number of file descriptors allowed for your session.
ulimit -n 100000 might do the job.