--- version: rssac002v3 service: i.root-servers.net start-period: '2019-11-20T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6676167107 dns-udp-queries-received-ipv6: 1250780399 dns-tcp-queries-received-ipv4: 636836588 dns-tcp-queries-received-ipv6: 151135157 dns-udp-responses-sent-ipv4: 5740403292 dns-udp-responses-sent-ipv6: 1163348216 dns-tcp-responses-sent-ipv4: 556331445 dns-tcp-responses-sent-ipv6: 145243856