--- version: rssac002v3 service: i.root-servers.net start-period: '2022-04-18T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6148238211 dns-udp-queries-received-ipv6: 1122155106 dns-tcp-queries-received-ipv4: 615667799 dns-tcp-queries-received-ipv6: 48571560 dns-udp-responses-sent-ipv4: 5243206243 dns-udp-responses-sent-ipv6: 980150174 dns-tcp-responses-sent-ipv4: 605193108 dns-tcp-responses-sent-ipv6: 42374364