--- version: rssac002v3 service: i.root-servers.net start-period: '2017-12-24T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4668217430 dns-udp-queries-received-ipv6: 560864894 dns-tcp-queries-received-ipv4: 89713954 dns-tcp-queries-received-ipv6: 11861762 dns-udp-responses-sent-ipv4: 4711090732 dns-udp-responses-sent-ipv6: 564450318 dns-tcp-responses-sent-ipv4: 89274982 dns-tcp-responses-sent-ipv6: 11909687