--- version: rssac002v4 service: a.root-servers.net start-period: '2023-06-08T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6534728379 dns-udp-queries-received-ipv6: 1653762164 dns-tcp-queries-received-ipv4: 390683724 dns-tcp-queries-received-ipv6: 98193892 dns-udp-responses-sent-ipv4: 6335220563 dns-udp-responses-sent-ipv6: 1601225205 dns-tcp-responses-sent-ipv4: 376467418 dns-tcp-responses-sent-ipv6: 88137002