--- version: rssac002v4 service: a.root-servers.net start-period: '2022-07-24T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5896960853 dns-udp-queries-received-ipv6: 1930439415 dns-tcp-queries-received-ipv4: 412031875 dns-tcp-queries-received-ipv6: 45954195 dns-udp-responses-sent-ipv4: 5520294755 dns-udp-responses-sent-ipv6: 1925556057 dns-tcp-responses-sent-ipv4: 339076684 dns-tcp-responses-sent-ipv6: 45604376