17240.usersglobalnet.com has no NS records.
NS records for this zone are defined at usersglobalnet.com.
NS records for this zone are defined at usersglobalnet.com.
Question and response
Question
dig 17240.usersglobalnet.com. NS
Answer
The response has no answer records.
Authority
usersglobalnet.com. 3600 SOA usersglobalnet.com. root.usersglobalnet.com. 69 604800 86400 2419200 604800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0