--- version: rssac002v4 service: a.root-servers.net start-period: '2023-03-15T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6734109616 dns-udp-queries-received-ipv6: 2230292557 dns-tcp-queries-received-ipv4: 473614137 dns-tcp-queries-received-ipv6: 118386255 dns-udp-responses-sent-ipv4: 6242117199 dns-udp-responses-sent-ipv6: 1941267546 dns-tcp-responses-sent-ipv4: 415836417 dns-tcp-responses-sent-ipv6: 94753513