--- version: rssac002v3 service: i.root-servers.net start-period: '2018-02-25T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5414193101 dns-udp-queries-received-ipv6: 645012651 dns-tcp-queries-received-ipv4: 100975310 dns-tcp-queries-received-ipv6: 13113954 dns-udp-responses-sent-ipv4: 5431311986 dns-udp-responses-sent-ipv6: 642399257 dns-tcp-responses-sent-ipv4: 101567804 dns-tcp-responses-sent-ipv6: 13270714