smtp-rog.mail-prod1.omega.vip.bf1.yahoo.com has no NS records.
NS records for this zone are defined at bf1.yahoo.com.
NS records for this zone are defined at bf1.yahoo.com.
Question and response
Question
dig smtp-rog.mail-prod1.omega.vip.bf1.yahoo.com. NS
Answer
The response has no answer records.
Authority
bf1.yahoo.com. 600 SOA hidden-master.yahoo.com. hostmaster.yahoo-inc.com. 2026032504 28800 600 604800 600
Additional
. 0 OPT ; payload 1272, xrcode 0, version 0, flags 0