--- version: rssac002v3 service: i.root-servers.net start-period: '2019-05-26T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2806482173 dns-udp-queries-received-ipv6: 670082262 dns-tcp-queries-received-ipv4: 49810051 dns-tcp-queries-received-ipv6: 10699173 dns-udp-responses-sent-ipv4: 2821071766 dns-udp-responses-sent-ipv6: 683648201 dns-tcp-responses-sent-ipv4: 48073022 dns-tcp-responses-sent-ipv6: 10401819