--- version: rssac002v3 service: i.root-servers.net start-period: '2018-08-23T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5194972160 dns-udp-queries-received-ipv6: 1092583316 dns-tcp-queries-received-ipv4: 139211921 dns-tcp-queries-received-ipv6: 25652205 dns-udp-responses-sent-ipv4: 5152853676 dns-udp-responses-sent-ipv6: 1091318684 dns-tcp-responses-sent-ipv4: 136116216 dns-tcp-responses-sent-ipv6: 25236878