ns3.proton.ch has no NS records.
NS records for this zone are defined at proton.ch.
NS records for this zone are defined at proton.ch.
Question and response
Question
dig ns3.proton.ch. NS
Answer
The response has no answer records.
Authority
proton.ch. 1200 SOA ns1.proton.ch. support.proton.ch. 2026030306 1200 144 1814400 7200
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0