_spf.linxtelecom.com has no NS records.
NS records for this zone are defined at linxtelecom.com.
NS records for this zone are defined at linxtelecom.com.
Question and response
Question
dig _spf.linxtelecom.com. NS
Answer
The response has no answer records.
Authority
linxtelecom.com. 300 SOA ns.eunet.ee. hostmaster.eunet.ee. 2025102800 300 7200 604800 300
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0