$ dig naptr plankhead.bitcoinaddress.com +short10 100 "u" "E2U+bitcoin" "!^(.*)$!bitcoin://1tmOThuWMaTJfpA1YAFo1wEf3f6F11N1g7!" .10 100 "u" "E2U+email" "!^.*$!mailto:plankhead@example.com!" .$ dig naptr plankhead.example.com.bitcoinaddress.com +short10 100 "u" "E2U+bitcoin" "!^(.*)$!bitcoin://1tmOThuWMaTJfpA1YAFo1wEf3f6F11N1g7!" .10 100 "u" "E2U+email" "!^.*$!mailto:plankhead@example.com!" .$