isup.sh is a simple bash tool made for checking alive hosts, subdomains from a dumped files , bruteforced subdomains .
USAGE
./isup.sh filename ./isup.sh filepath
HELP
./isup.sh -h ./isup.sh --help
PREVIEW
your output result are stored inside the tmp directory of the script path with valid-filename and invalid-filename pattern.
DEMO FILE : https://hastebin.com/ahelalunan.css
FASTER THAN CURL : UPDATED FROM
https://gist.github.com/gitnepal/c7cec96a09abc0f39e86149938fd1e67