exchange.ecomputer.es has no NS records.
NS records for this zone are defined at ecomputer.es.
NS records for this zone are defined at ecomputer.es.
Question and response
Question
dig exchange.ecomputer.es. NS
Answer
The response has no answer records.
Authority
ecomputer.es. 86400 SOA dns7.servidoresdns.net. hostmaster.servidoresdns.net. 2002052964 21600 3600 2419200 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0