https://github.com/blechschmidt/massdns
cat <subdomainFile> | awk -F " " '{print $1".<domain>"}' | massdns -r <dnsResolversFile> -t A -o S -w <outputFile>
https://github.com/blechschmidt/massdns
cat <subdomainFile> | awk -F " " '{print $1".<domain>"}' | massdns -r <dnsResolversFile> -t A -o S -w <outputFile>