mailrelay.tele2.se has no NS records.
NS records for this zone are defined at tele2.se.
NS records for this zone are defined at tele2.se.
Question and response
Question
dig mailrelay.tele2.se. NS
Answer
The response has no answer records.
Authority
tele2.se. 300 SOA pitea.dns.swip.net. hostmaster.tele2.com. 2026031113 28800 7200 604800 300
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0