smtp-out.spf.superhosting.bg has no NS records.
NS records for this zone are defined at superhosting.bg.
NS records for this zone are defined at superhosting.bg.
Question and response
Question
dig smtp-out.spf.superhosting.bg. NS
Answer
The response has no answer records.
Authority
superhosting.bg. 900 SOA pns1.superhosting.bg. hostmaster.superhosting.bg. 2026030407 3600 600 2419200 900
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0