--- version: rssac002v3 service: i.root-servers.net start-period: '2016-07-28T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4818381629 dns-udp-queries-received-ipv6: 507556810 dns-tcp-queries-received-ipv4: 25149888 dns-tcp-queries-received-ipv6: 1207426 dns-udp-responses-sent-ipv4: 4807863516 dns-udp-responses-sent-ipv6: 508268116 dns-tcp-responses-sent-ipv4: 25751918 dns-tcp-responses-sent-ipv6: 1218364