--- version: rssac002v3 service: i.root-servers.net start-period: '2020-12-25T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4730234983 dns-udp-queries-received-ipv6: 903723780 dns-tcp-queries-received-ipv4: 510922737 dns-tcp-queries-received-ipv6: 116810946 dns-udp-responses-sent-ipv4: 3779580933 dns-udp-responses-sent-ipv6: 808033424 dns-tcp-responses-sent-ipv4: 387637140 dns-tcp-responses-sent-ipv6: 106443886