Question and response
Question
dig auth2.opendns.com. A
Answer
auth2.opendns.com. 172800 A 146.112.60.53
Authority
opendns.com. 604800 NS auth1.opendns.com.
opendns.com. 604800 NS auth2.opendns.com.
opendns.com. 604800 NS auth3.opendns.com.
Additional
. 32768 OPT ; payload 4000, xrcode 0, version 0, flags 32768
auth1.opendns.com. 172800 AAAA 2620:119:30:0:0:0:0:53
auth1.opendns.com. 172800 A 208.69.39.2
auth3.opendns.com. 172800 A 208.69.39.2