cluster.nostradamus.nu has no NS records.
NS records for this zone are defined at nostradamus.nu.
NS records for this zone are defined at nostradamus.nu.
Question and response
Question
dig cluster.nostradamus.nu. NS
Answer
The response has no answer records.
Authority
nostradamus.nu. 1800 SOA angelina.ns.cloudflare.com. dns.cloudflare.com. 2399508475 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0