o2.ptr948.dealeron.com has no NS records.
NS records for this zone are defined at dealeron.com.
NS records for this zone are defined at dealeron.com.
Question and response
Question
dig o2.ptr948.dealeron.com. NS
Answer
The response has no answer records.
Authority
dealeron.com. 180 SOA ns10.digicertdns.com. dns.digicertdns.com. 2009010370 43200 3600 1209600 180
Additional
. 0 OPT ; payload 1280, xrcode 0, version 0, flags 0