mailout.igrid.se has no NS records.
NS records for this zone are defined at igrid.se.
NS records for this zone are defined at igrid.se.
Question and response
Question
dig mailout.igrid.se. NS
Answer
The response has no answer records.
Authority
igrid.se. 300 SOA ns1-01.azure-dns.com. azuredns-hostmaster.microsoft.com. 1 3600 300 2419200 300
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0