--- version: rssac002v3 service: i.root-servers.net start-period: '2019-06-14T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 571110732 dns-udp-queries-received-ipv6: 181434559 dns-tcp-queries-received-ipv4: 6769261 dns-tcp-queries-received-ipv6: 1081714 dns-udp-responses-sent-ipv4: 576000957 dns-udp-responses-sent-ipv6: 180968910 dns-tcp-responses-sent-ipv4: 6274273 dns-tcp-responses-sent-ipv6: 1107367