ns4.safedc.net has no NS records.
NS records for this zone are defined at safedc.net.
NS records for this zone are defined at safedc.net.
Question and response
Question
dig ns4.safedc.net. NS
Answer
The response has no answer records.
Authority
safedc.net. 600 SOA ns0.safedc.net. hostmaster.safespring.com. 1773903305 7200 3600 864000 600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0