CloudFlare
riya.ns.cloudflare.com
viddy.ns.cloudflare.com
AWS
ns-529.awsdns-02.net
ns-85.awsdns-10.com
ns-1111.awsdns-10.org
ns-1678.awsdns-17.co.uk
NS
s-1035.awsdns-01.org
ns-796.awsdns-35.net
ns-316.awsdns-39.com