--- version: rssac002v4 service: a.root-servers.net start-period: '2023-02-09T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7086089128 dns-udp-queries-received-ipv6: 2387520591 dns-tcp-queries-received-ipv4: 409110905 dns-tcp-queries-received-ipv6: 121271279 dns-udp-responses-sent-ipv4: 6521935401 dns-udp-responses-sent-ipv6: 2023153165 dns-tcp-responses-sent-ipv4: 340945333 dns-tcp-responses-sent-ipv6: 93191620