spf.worksmobile.com has no NS records.
NS records for this zone are defined at worksmobile.com.
NS records for this zone are defined at worksmobile.com.
Question and response
Question
dig spf.worksmobile.com. NS
Answer
The response has no answer records.
Authority
worksmobile.com. 180 SOA ns1.naver.com. webmaster.naver.com. 2026022701 21600 1800 1209600 180
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0