--- version: rssac002v3 service: i.root-servers.net start-period: '2016-12-29T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6257881613 dns-udp-queries-received-ipv6: 770204823 dns-tcp-queries-received-ipv4: 63083432 dns-tcp-queries-received-ipv6: 6440276 dns-udp-responses-sent-ipv4: 6385141030 dns-udp-responses-sent-ipv6: 770088933 dns-tcp-responses-sent-ipv4: 65037344 dns-tcp-responses-sent-ipv6: 6492099