mail-fw-out.teleservice.net has no NS records.
NS records for this zone are defined at teleservice.net.
NS records for this zone are defined at teleservice.net.
Question and response
Question
dig mail-fw-out.teleservice.net. NS
Answer
The response has no answer records.
Authority
teleservice.net. 300 SOA ns1.teleservice.net. hostmaster.teleservice.net. 2026031002 14400 3600 604800 300
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0