--- version: rssac002v4 service: a.root-servers.net start-period: '2024-01-21T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7575498237 dns-udp-queries-received-ipv6: 1537826566 dns-tcp-queries-received-ipv4: 357984749 dns-tcp-queries-received-ipv6: 63928519 dns-udp-responses-sent-ipv4: 7405774562 dns-udp-responses-sent-ipv6: 1514378012 dns-tcp-responses-sent-ipv4: 333318633 dns-tcp-responses-sent-ipv6: 52852804