--- version: rssac002v4 service: a.root-servers.net start-period: '2023-05-10T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7235511785 dns-udp-queries-received-ipv6: 2277714965 dns-tcp-queries-received-ipv4: 437176024 dns-tcp-queries-received-ipv6: 155618210 dns-udp-responses-sent-ipv4: 6719470627 dns-udp-responses-sent-ipv6: 1902419793 dns-tcp-responses-sent-ipv4: 390702616 dns-tcp-responses-sent-ipv6: 115999655