Question and response
Question
dig spf.modulservis.cz. MX
Answer
spf.modulservis.cz. 900 MX 10 modulservis-cz.mail.protection.outlook.com.
Authority
modulservis.cz. 900 NS ns.bcom.cz.
modulservis.cz. 900 NS ns.webx.cz.
Additional
ns.bcom.cz. 900 A 89.185.253.134
ns.bcom.cz. 900 AAAA 2a01:430:208:8659:0:0:0:10
ns.webx.cz. 900 A 82.208.12.1
ns.webx.cz. 900 AAAA 2001:1528:246:0:ff52:d00c:1ff:0
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0