smtpauth01.mfg.siteprotect.com has no NS records.
NS records for this zone are defined at mfg.siteprotect.com.
NS records for this zone are defined at mfg.siteprotect.com.
Question and response
Question
dig smtpauth01.mfg.siteprotect.com. NS
Answer
The response has no answer records.
Authority
mfg.siteprotect.com. 300 SOA a.dns.hostway.net. hostmaster.siteprotect.com. 2026031216 28800 7200 86400 300
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0