Question and response
Question
dig o2.ptr3540.usecure.io. A
Answer
o2.ptr3540.usecure.io. 60 A 168.245.56.242
Authority
usecure.io. 172800 NS ns-1119.awsdns-11.org.
usecure.io. 172800 NS ns-1636.awsdns-12.co.uk.
usecure.io. 172800 NS ns-359.awsdns-44.com.
usecure.io. 172800 NS ns-713.awsdns-25.net.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0