--- version: rssac002v3 service: i.root-servers.net start-period: '2022-01-17T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6772960255 dns-udp-queries-received-ipv6: 1580785469 dns-tcp-queries-received-ipv4: 714029160 dns-tcp-queries-received-ipv6: 72518864 dns-udp-responses-sent-ipv4: 5871871312 dns-udp-responses-sent-ipv6: 1480329993 dns-tcp-responses-sent-ipv4: 719606305 dns-tcp-responses-sent-ipv6: 56057681