prod-mail-relay-1.iad1.fsi.io has no NS records.
NS records for this zone are defined at fsi.io.
NS records for this zone are defined at fsi.io.
Question and response
Question
dig prod-mail-relay-1.iad1.fsi.io. NS
Answer
The response has no answer records.
Authority
fsi.io. 3600 SOA fsi.io. hostmaster.fsi.io. 2026032645 7200 3600 604800 3600
Additional
. 0 OPT ; payload 1280, xrcode 0, version 0, flags 0