Question and response
Question
dig mail.tecenub.com. A
Answer
mail.tecenub.com. 1799 A 57.129.125.102
Authority
tecenub.com. 1800 NS dns1.registrar-servers.com.
tecenub.com. 1800 NS dns2.registrar-servers.com.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0