--- version: rssac002v3 service: i.root-servers.net start-period: '2017-06-21T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6603123339 dns-udp-queries-received-ipv6: 680971272 dns-tcp-queries-received-ipv4: 91226561 dns-tcp-queries-received-ipv6: 10475316 dns-udp-responses-sent-ipv4: 6688351801 dns-udp-responses-sent-ipv6: 681662433 dns-tcp-responses-sent-ipv4: 93968054 dns-tcp-responses-sent-ipv6: 10724056