o3.mailrelay.okta.com has no NS records.
NS records for this zone are defined at mailrelay.okta.com.
NS records for this zone are defined at mailrelay.okta.com.
Question and response
Question
dig o3.mailrelay.okta.com. NS
Answer
The response has no answer records.
Authority
okta.com. 60 SOA ns-1563.awsdns-03.co.uk. hostmaster.okta.com. 1664 3600 600 604800 60
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0