rda.com.		30 IN SOA ns-205.awsdns-25.com. awsdns-hostmaster.amazon.com. (
				1          ; serial
				7200       ; refresh (2 hours)
				900        ; retry (15 minutes)
				1209600    ; expire (2 weeks)
				86400      ; minimum (1 day)
				)

Name servers:
rda.com.		30 IN NS ns-1429.awsdns-50.org.
rda.com.		30 IN NS ns-1632.awsdns-12.co.uk.
rda.com.		30 IN NS ns-205.awsdns-25.com.
rda.com.		30 IN NS ns-787.awsdns-34.net.