ns2.mangupos.com has no NS records.
NS records for this zone are defined at mangupos.com.
NS records for this zone are defined at mangupos.com.
Question and response
Question
dig ns2.mangupos.com. NS
Answer
The response has no answer records.
Authority
mangupos.com. 86400 SOA ns1.mangupos.com. deploy.vps.mangusoft.com. 2026020400 86400 7200 3600000 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0