--- version: rssac002v4 service: a.root-servers.net start-period: '2023-12-14T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7537483934 dns-udp-queries-received-ipv6: 1518223404 dns-tcp-queries-received-ipv4: 406140814 dns-tcp-queries-received-ipv6: 60954630 dns-udp-responses-sent-ipv4: 7360429986 dns-udp-responses-sent-ipv6: 1494353854 dns-tcp-responses-sent-ipv4: 383826062 dns-tcp-responses-sent-ipv6: 50151843