Question and response
Question
dig mail4.cs.nttpc.info. A
Answer
mail4.cs.nttpc.info. 300 A 13.78.32.16
Authority
cs.nttpc.info. 300 NS ns-1461.awsdns-54.org.
cs.nttpc.info. 300 NS ns-16.awsdns-02.com.
cs.nttpc.info. 300 NS ns-1950.awsdns-51.co.uk.
cs.nttpc.info. 300 NS ns-518.awsdns-00.net.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0