production.spf.ticketmaster.com has no NS records.
NS records for this zone are defined at ticketmaster.com.
NS records for this zone are defined at ticketmaster.com.
Question and response
Question
dig production.spf.ticketmaster.com. NS
Answer
The response has no answer records.
Authority
ticketmaster.com. 2560 SOA a1-157.akam.net. tmhostmaster.ticketmaster.com. 3080354818 600 600 1048576 2560
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0