--- version: rssac002v4 service: a.root-servers.net start-period: '2023-07-08T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6510708286 dns-udp-queries-received-ipv6: 1486745534 dns-tcp-queries-received-ipv4: 342909411 dns-tcp-queries-received-ipv6: 56279540 dns-udp-responses-sent-ipv4: 6343634547 dns-udp-responses-sent-ipv6: 1475196511 dns-tcp-responses-sent-ipv4: 326091709 dns-tcp-responses-sent-ipv6: 52592209