--- version: rssac002v4 service: a.root-servers.net start-period: '2023-01-11T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6669938594 dns-udp-queries-received-ipv6: 1972743959 dns-tcp-queries-received-ipv4: 384301812 dns-tcp-queries-received-ipv6: 114043893 dns-udp-responses-sent-ipv4: 6319904069 dns-udp-responses-sent-ipv6: 1801083067 dns-tcp-responses-sent-ipv4: 339865530 dns-tcp-responses-sent-ipv6: 92815807