--- version: rssac002v3 service: i.root-servers.net start-period: '2021-11-17T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5597756238 dns-udp-queries-received-ipv6: 1021839626 dns-tcp-queries-received-ipv4: 465773765 dns-tcp-queries-received-ipv6: 106590277 dns-udp-responses-sent-ipv4: 4783307709 dns-udp-responses-sent-ipv6: 878919510 dns-tcp-responses-sent-ipv4: 441120055 dns-tcp-responses-sent-ipv6: 89385544