spfva.gofax.com.au has no NS records.
NS records for this zone are defined at gofax.com.au.
NS records for this zone are defined at gofax.com.au.
Question and response
Question
dig spfva.gofax.com.au. NS
Answer
The response has no answer records.
Authority
gofax.com.au. 60 SOA ns-948.awsdns-54.net. awsdns-hostmaster.amazon.com. 2 7200 900 1209600 60
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0