--- version: rssac002v4 service: a.root-servers.net start-period: '2023-03-16T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6705107620 dns-udp-queries-received-ipv6: 2021588784 dns-tcp-queries-received-ipv4: 409515453 dns-tcp-queries-received-ipv6: 120793970 dns-udp-responses-sent-ipv4: 6229551375 dns-udp-responses-sent-ipv6: 1748286877 dns-tcp-responses-sent-ipv4: 355775408 dns-tcp-responses-sent-ipv6: 95136355