--- version: rssac002v4 service: a.root-servers.net start-period: '2023-03-22T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6971950454 dns-udp-queries-received-ipv6: 2157950509 dns-tcp-queries-received-ipv4: 434314392 dns-tcp-queries-received-ipv6: 124735867 dns-udp-responses-sent-ipv4: 6422756828 dns-udp-responses-sent-ipv6: 1845236544 dns-tcp-responses-sent-ipv4: 371282180 dns-tcp-responses-sent-ipv6: 98684646