na1out.arrow.com has no NS records.
NS records for this zone are defined at arrow.com.
NS records for this zone are defined at arrow.com.
Question and response
Question
dig na1out.arrow.com. NS
Answer
The response has no answer records.
Authority
arrow.com. 86400 SOA pdns77.ultradns.com. domadmin.arrow.com. 2019104130 43200 7200 1209600 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0