lfaumsa.physicsboards.com has no NS records.
NS records for this zone are defined at physicsboards.com.
NS records for this zone are defined at physicsboards.com.
Question and response
Question
dig lfaumsa.physicsboards.com. NS
Answer
The response has no answer records.
Authority
physicsboards.com. 3601 SOA dns1.registrar-servers.com. hostmaster.registrar-servers.com. 1770245383 43200 3600 604800 3601
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0