mailbox.octans.se has no NS records.
NS records for this zone are defined at octans.se.
NS records for this zone are defined at octans.se.
Question and response
Question
dig mailbox.octans.se. NS
Answer
The response has no answer records.
Authority
octans.se. 86400 SOA ns1.teknikbyran.com. registry.teknikbyran.com. 2023020723 28800 7200 1209600 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0