fierce -dnsserver 8.8.8.8 -dns xxx.com -wordlist wordlist.txt

dnsdict6 -d4 -t 16 -x xxx.com

dnsenum -f dnsbig.txt -dnsserver 8.8.8.8 xxx.com -o xxx.xml

dnsmap xxx.com -w dns.txt

dnsrecon -d xxx.com –lifetime 10 -t brt -D dnsbig.txt

dnsrecon -t std -d xxx.com

dig @ns1.example.com example.com axfr DNS 区域传送