Question and response
Question
dig mail.mailkit.eu. NS
Answer
mail.mailkit.eu. 5 CNAME mx-core.mailkit.net.
Authority
mailkit.net. 2487 SOA ns1.mailkit.net. postmaster.mailkit.net. 2026030501 28800 300 1209600 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0