spfb.netlife.ec has no NS records.
NS records for this zone are defined at netlife.ec.
NS records for this zone are defined at netlife.ec.
Question and response
Question
dig spfb.netlife.ec. NS
Answer
The response has no answer records.
Authority
netlife.ec. 900 SOA ns1.telconet.net. abuse.telconet.net. 394 10800 3600 2419200 900
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0