l.go.com has no NS records.
NS records for this zone are defined at go.com.
NS records for this zone are defined at go.com.
Question and response
Question
dig www.comments.espnfp.com. NS
Answer
The response has no answer records.
Authority
espnfp.com. 3601 SOA dns1.registrar-servers.com. hostmaster.registrar-servers.com. 1774525013 43200 3600 604800 3601
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0