Question and response
Question
dig sys.cogentco.com. DNAME
Answer
The response has no answer records.
Authority
sys.cogentco.com. 43200 SOA auth1.dns.cogentco.com. dns.cogentco.com. 2026022500 10800 3600 604800 43200
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0