--- version: rssac002v3 service: i.root-servers.net start-period: '2022-05-11T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6879218550 dns-udp-queries-received-ipv6: 2030384353 dns-tcp-queries-received-ipv4: 742101859 dns-tcp-queries-received-ipv6: 75414948 dns-udp-responses-sent-ipv4: 6019435516 dns-udp-responses-sent-ipv6: 1846076626 dns-tcp-responses-sent-ipv4: 748179720 dns-tcp-responses-sent-ipv6: 67312619