x1pvtl1127.firstdata.com has no NS records.
NS records for this zone are defined at firstdata.com.
NS records for this zone are defined at firstdata.com.
Question and response
Question
dig x1pvtl1127.firstdata.com. NS
Answer
The response has no answer records.
Authority
firstdata.com. 300 SOA dns2.p07.nsone.net. domainadmin.firstdata.com. 590216279 1200 180 604800 300
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0