ref.realogyethics.com has no NS records.
NS records for this zone are defined at realogyethics.com.
NS records for this zone are defined at realogyethics.com.
Question and response
Question
dig ref.realogyethics.com. NS
Answer
The response has no answer records.
Authority
realogyethics.com. 3601 SOA dns1.registrar-servers.com. hostmaster.registrar-servers.com. 1773150863 43200 3600 604800 3601
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0