Question and response
Question
dig ao. NS
Answer
ao. 3600 NS a.ns.ao.
ao. 3600 NS etld-1.anycast.net.
ao. 3600 NS ao02.dns.pt.
ao. 3600 NS ao-e.ns.nic.cz.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0