hybrid.axtel.com.mx has no NS records.
NS records for this zone are defined at axtel.com.mx.
NS records for this zone are defined at axtel.com.mx.
Question and response
Question
dig hybrid.axtel.com.mx.cdn.cloudflare.net. NS
Answer
The response has no answer records.
Authority
cloudflare.net. 1800 SOA ns1.cloudflare.net. dns.cloudflare.com. 2398788383 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0