Question and response
Question
dig smtp.sdn.csc.fi. NS
Answer
smtp.sdn.csc.fi. 5 CNAME argus.csc.fi.
Authority
csc.fi. 900 SOA ns.funet.fi. hostmaster.funet.fi. 2026031213 10800 3600 604800 900
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0