--- version: rssac002v4 service: a.root-servers.net start-period: '2023-07-23T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6204782318 dns-udp-queries-received-ipv6: 1640839095 dns-tcp-queries-received-ipv4: 334824873 dns-tcp-queries-received-ipv6: 89031344 dns-udp-responses-sent-ipv4: 6049240886 dns-udp-responses-sent-ipv6: 1626179144 dns-tcp-responses-sent-ipv4: 320982208 dns-tcp-responses-sent-ipv6: 83907290