Question and response
Question
dig espo.cz. MX
Answer
espo.cz. 1 MX 1 mx2.faster.cz.
Authority
espo.cz. 86400 NS mail.espo.cz.
espo.cz. 86400 NS inet.faster.cz.
Additional
mail.espo.cz. 86400 A 81.19.8.3
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0