--- version: rssac002v3 service: i.root-servers.net start-period: '2020-06-09T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6487293886 dns-udp-queries-received-ipv6: 1270402850 dns-tcp-queries-received-ipv4: 700332340 dns-tcp-queries-received-ipv6: 184714511 dns-udp-responses-sent-ipv4: 5129123668 dns-udp-responses-sent-ipv6: 1142318297 dns-tcp-responses-sent-ipv4: 581457618 dns-tcp-responses-sent-ipv6: 167807773