ns3.olgdns.net has no NS records.
NS records for this zone are defined at olgdns.net.
NS records for this zone are defined at olgdns.net.
Question and response
Question
dig ns3.olgdns.net. NS
Answer
The response has no answer records.
Authority
olgdns.net. 600 SOA ns1.lexsynergy.net. dnsmaster.lexsynergy.com. 7 302400 3600 1209600 600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0