ssh.cisko.se has no NS records.
NS records for this zone are defined at cisko.se.
NS records for this zone are defined at cisko.se.
Question and response
Question
dig ssh.cisko.se. NS
Answer
The response has no answer records.
Authority
cisko.se. 1800 SOA gail.ns.cloudflare.com. dns.cloudflare.com. 2396778405 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0