mail.islsohio.org has no NS records.
NS records for this zone are defined at islsohio.org.
NS records for this zone are defined at islsohio.org.
Question and response
Question
dig mail.islsohio.org. NS
Answer
The response has no answer records.
Authority
islsohio.org. 3601 SOA dns1.registrar-servers.com. hostmaster.registrar-servers.com. 1773242940 43200 3600 604800 3601
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0