dig命令

dig +short xx.com @8.8.8.8
nslookup xx.com 202.96.128.86

dig +short xx.com @8.8.8.8

dig  -t txt _acme-challenge.xx.com @8.8.8.8

dig  -t txt _535ce7a3b9ea95fcb4a42c7b85709cd9.xx.com @8.8.8.8

dig @2.2.2.2 dnspod.cn