--- version: rssac002v4 service: a.root-servers.net start-period: '2022-12-17T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5864425717 dns-udp-queries-received-ipv6: 1824638252 dns-tcp-queries-received-ipv4: 318383703 dns-tcp-queries-received-ipv6: 107458938 dns-udp-responses-sent-ipv4: 5693959870 dns-udp-responses-sent-ipv6: 1821998063 dns-tcp-responses-sent-ipv4: 289989256 dns-tcp-responses-sent-ipv6: 107059919