mxf.availo.com has no NS records.
NS records for this zone are defined at availo.com.
NS records for this zone are defined at availo.com.
Question and response
Question
dig mxf.availo.com. NS
Answer
The response has no answer records.
Authority
availo.com. 38400 SOA a.ns.ip-only.net. registry.ip-only.net. 2025091000 14400 86400 604800 38400
Additional
. 0 OPT ; payload 1680, xrcode 0, version 0, flags 0