Question and response
Question
dig o2.cz. MX
Answer
o2.cz. 10800 MX 10 smtp-in.o2.cz.
Authority
o2.cz. 10800 NS ns2.tel.cz.
o2.cz. 10800 NS dns.iol.cz.
Additional
smtp-in.o2.cz. 10800 A 90.176.151.98
smtp-in.o2.cz. 10800 AAAA 2a00:1028:d:2963:0:0:0:106
_25._tcp.smtp-in.o2.cz. 10800 TLSA 3 1 1 B7C81C582F256D11986108CF06E02CC8D26A414355FCE40A4A5307D2775E40DF
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0