Question and response
Question
dig kav.cas.cz. MX
Answer
kav.cas.cz. 600 MX 0 kav-cas-cz.y-v1.mx.microsoft.
Authority
kav.cas.cz. 600 NS academy.cas.cz.
kav.cas.cz. 600 NS visla.utia.cas.cz.
Additional
visla.utia.cas.cz. 86400 A 147.231.12.1
academy.cas.cz. 86400 A 147.231.58.1
visla.utia.cas.cz. 86400 AAAA 2001:718:401:1:0:0:0:1
academy.cas.cz. 86400 AAAA 2001:718:404:1002:147:231:58:1
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0