Question and response
Question
dig ns.addr.refertelecom.pt. A
Answer
ns.addr.refertelecom.pt. 86400 A 81.90.54.65
Authority
addr.refertelecom.pt. 86400 NS ns.addr.refertelecom.pt.
addr.refertelecom.pt. 86400 NS ns.refertelecom.pt.
Additional
ns.refertelecom.pt. 900 A 81.90.62.137
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0