整理一下 DNS record 查詢工具，免得每次都要慢慢找

https://dnsdumpster.com
https://subdomainfinder.c99.nl
https://hackertarget.com/find-dns-host-records/
https://pentest-tools.com/information-gathering/find-subdomains-of-domain

另外這個是常用查個別RECORD的
https://mxtoolbox.com/SuperTool.aspx