eu.zcsend.net has no NS records.
NS records for this zone are defined at zcsend.net.
NS records for this zone are defined at zcsend.net.
Question and response
Question
dig eu.zcsend.net. NS
Answer
The response has no answer records.
Authority
zcsend.net. 600 SOA ns1.vtitan.com. dnsadmin.vtitan.com. 2026022201 7200 1800 1209600 3600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0