Question and response
Question
dig ihszimbra.com. NS
Answer
ihszimbra.com. 1800 NS knuth.ihsdns.com.
ihszimbra.com. 1800 NS dijkstra.ihsdns.com.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1680, xrcode 0, version 0, flags 0