--- version: rssac002v4 service: a.root-servers.net start-period: '2023-06-23T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7111036597 dns-udp-queries-received-ipv6: 1424563861 dns-tcp-queries-received-ipv4: 303114641 dns-tcp-queries-received-ipv6: 75968244 dns-udp-responses-sent-ipv4: 6882589292 dns-udp-responses-sent-ipv6: 1415044729 dns-tcp-responses-sent-ipv4: 283943563 dns-tcp-responses-sent-ipv6: 73079215