o1.sig.intacct.com has no NS records.
NS records for this zone are defined at intacct.com.
NS records for this zone are defined at intacct.com.
Question and response
Question
dig o1.sig.intacct.com. NS
Answer
The response has no answer records.
Authority
intacct.com. 60 SOA ns-1166.awsdns-17.org. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0