--- version: rssac002v4 service: a.root-servers.net start-period: '2023-09-20T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6590172138 dns-udp-queries-received-ipv6: 1611108488 dns-tcp-queries-received-ipv4: 351283635 dns-tcp-queries-received-ipv6: 51850560 dns-udp-responses-sent-ipv4: 6432257805 dns-udp-responses-sent-ipv6: 1593553083 dns-tcp-responses-sent-ipv4: 338993299 dns-tcp-responses-sent-ipv6: 47041533