Question and response
Question
dig mx-ctdodo.gtm.oss-core.net. A
Answer
mx-ctdodo.gtm.oss-core.net. 0 A 203.134.71.161
mx-ctdodo.gtm.oss-core.net. 0 A 203.134.153.161
Authority
gtm.oss-core.net. 500 NS melcoregtm01.gtm.oss-core.net.
gtm.oss-core.net. 500 NS sydcoregtm01.gtm.oss-core.net.
Additional
sydcoregtm01.gtm.oss-core.net. 0 A 203.134.64.68
melcoregtm01.gtm.oss-core.net. 0 A 203.134.65.68
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0