ecb.fullerfuture.com has no NS records.
NS records for this zone are defined at fullerfuture.com.
NS records for this zone are defined at fullerfuture.com.
Question and response
Question
dig ecb.fullerfuture.com. NS
Answer
The response has no answer records.
Authority
fullerfuture.com. 1800 SOA camilo.ns.cloudflare.com. dns.cloudflare.com. 2394389089 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0