reverse.terradotta.com has no NS records.
NS records for this zone are defined at terradotta.com.
NS records for this zone are defined at terradotta.com.
Question and response
Question
dig reverse.terradotta.com. NS
Answer
The response has no answer records.
Authority
terradotta.com. 900 SOA ns-1941.awsdns-50.co.uk. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0