cert.omail.cc has no NS records.
NS records for this zone are defined at omail.cc.
NS records for this zone are defined at omail.cc.
Question and response
Question
dig api.moeclub.org. NS
Answer
The response has no answer records.
Authority
moeclub.org. 300 SOA ns1.hwclouds-dns.com. hwclouds\.cs.huawei.com. 1 7200 900 1209600 300
Additional
. 0 OPT ; payload 1280, xrcode 0, version 0, flags 0