mtallm01.ihotelier.com has no NS records.
NS records for this zone are defined at ihotelier.com.
NS records for this zone are defined at ihotelier.com.
Question and response
Question
dig mtallm01.ihotelier.com. NS
Answer
The response has no answer records.
Authority
ihotelier.com. 7200 SOA a2-66.akam.net. hostmaster.ihotelier.com. 2015112826 10800 600 604800 7200
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0