dns1.stampymail.com.es has no NS records.
NS records for this zone are defined at stampymail.com.es.
NS records for this zone are defined at stampymail.com.es.
Question and response
Question
dig dns1.stampymail.com.es. NS
Answer
The response has no answer records.
Authority
stampymail.com.es. 10800 SOA dns1.stampymail.com.es. soporte.stampymail.com. 2026030503 10800 3600 604800 10800
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0