spf.pvs-rs.com has no NS records.
NS records for this zone are defined at pvs-rs.com.
NS records for this zone are defined at pvs-rs.com.
Question and response
Question
dig spf.pvs-rs.com. NS
Answer
The response has no answer records.
Authority
pvs-rs.com. 3600 SOA ns1.pvs-rs.com. hostmaster.pvs-rs.com. 2024110607 86400 7200 3600000 172800
Additional
. 0 OPT ; payload 1220, xrcode 0, version 0, flags 0