alenco.crowdfiber.com has no NS records.
NS records for this zone are defined at crowdfiber.com.
NS records for this zone are defined at crowdfiber.com.
Question and response
Question
dig alenco.crowdfiber.com. NS
Answer
The response has no answer records.
Authority
crowdfiber.com. 1800 SOA ada.ns.cloudflare.com. dns.cloudflare.com. 2398040232 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0