--- version: rssac002v3 service: i.root-servers.net start-period: '2017-04-30T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5337215989 dns-udp-queries-received-ipv6: 639120790 dns-tcp-queries-received-ipv4: 70463628 dns-tcp-queries-received-ipv6: 8206355 dns-udp-responses-sent-ipv4: 5321433517 dns-udp-responses-sent-ipv6: 638823004 dns-tcp-responses-sent-ipv4: 71446589 dns-tcp-responses-sent-ipv6: 8363099