Question and response
Question
dig phn.byu.edu. NS
Answer
phn.byu.edu. 5 CNAME exercisesciences.ctlbyu.org.
Authority
ctlbyu.org. 3560 SOA dns1.registrar-servers.com. hostmaster.registrar-servers.com. 1773700553 43200 3600 604800 3601
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0