--- version: rssac002v3 service: i.root-servers.net start-period: '2022-04-29T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6613493892 dns-udp-queries-received-ipv6: 1751759765 dns-tcp-queries-received-ipv4: 692051078 dns-tcp-queries-received-ipv6: 69674191 dns-udp-responses-sent-ipv4: 5668900689 dns-udp-responses-sent-ipv6: 1490198451 dns-tcp-responses-sent-ipv4: 685898400 dns-tcp-responses-sent-ipv6: 58334671