--- version: rssac002v4 service: a.root-servers.net start-period: '2023-12-13T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7359498028 dns-udp-queries-received-ipv6: 1490180445 dns-tcp-queries-received-ipv4: 388982084 dns-tcp-queries-received-ipv6: 61590756 dns-udp-responses-sent-ipv4: 7186396702 dns-udp-responses-sent-ipv6: 1461744011 dns-tcp-responses-sent-ipv4: 366353530 dns-tcp-responses-sent-ipv6: 48523618