Question and response
Question
dig o2.ptr3540.usecure.io. AAAA
Answer
The response has no answer records.
Authority
usecure.io. 900 SOA ns-1119.awsdns-11.org. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0