Question and response
Question
dig otrs.com. A
Answer
otrs.com. 3600 A 68.183.223.22
Authority
otrs.com. 3600 NS ns1.your-server.de.
otrs.com. 3600 NS ns.second-ns.com.
otrs.com. 3600 NS ns3.second-ns.de.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0