--- version: rssac002v4 service: a.root-servers.net start-period: '2022-09-13T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6679433605 dns-udp-queries-received-ipv6: 1662048485 dns-tcp-queries-received-ipv4: 589869709 dns-tcp-queries-received-ipv6: 53974784 dns-udp-responses-sent-ipv4: 6204961946 dns-udp-responses-sent-ipv6: 1657053939 dns-tcp-responses-sent-ipv4: 421930231 dns-tcp-responses-sent-ipv6: 53397860