mail.baeretswil.org has no NS records.
NS records for this zone are defined at baeretswil.org.
NS records for this zone are defined at baeretswil.org.
Question and response
Question
dig mail.baeretswil.org. NS
Answer
The response has no answer records.
Authority
baeretswil.org. 900 SOA dns1.i-web.ch. hostmaster.i-web.ch. 2019020401 21600 3600 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0