23 lines (18 loc) · 476 Bytes

hosty

Manipulate host/domain names on the command line

Actions

convert to/from punycode
get the public suffix
get the public suffix + 1
get the TLD
get the bare hostname
get the full hostname (aka FQDN)
make sure a hostname is valid
make sure a hostname resolves
make sure the TLD is valid
make sure the public suffix is valid

Notes

Handle trailing dot
Max label size is 63
Max FQDN is 253
Optional output: exit code, blank, original