--- version: rssac002v3 service: i.root-servers.net start-period: '2017-09-07T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6427795350 dns-udp-queries-received-ipv6: 633761354 dns-tcp-queries-received-ipv4: 116708089 dns-tcp-queries-received-ipv6: 11745142 dns-udp-responses-sent-ipv4: 6450698880 dns-udp-responses-sent-ipv6: 630401817 dns-tcp-responses-sent-ipv4: 118148599 dns-tcp-responses-sent-ipv6: 11994079