GCP/GAEのcustom domainのverificationで利用
nslookup
$ nslookup -q=TXT example.com 01.dnsv.jp
example.com text = "google-site-verification=AaH99r_AlJAng42S2d5CkINRWTp0ABfx9cPIJ0f6JIA"
dig
$ dig TXT example.com | grep TXT
example.com. 3198 IN TXT "google-site-verification=AaH99r_AlJAng42S2d5CkINRWTp0ABfx9cPIJ0f6JIA"