--- version: rssac002v3 service: i.root-servers.net start-period: '2018-06-25T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5367606267 dns-udp-queries-received-ipv6: 931635291 dns-tcp-queries-received-ipv4: 119343325 dns-tcp-queries-received-ipv6: 18854004 dns-udp-responses-sent-ipv4: 5374323174 dns-udp-responses-sent-ipv6: 929863358 dns-tcp-responses-sent-ipv4: 116081426 dns-tcp-responses-sent-ipv6: 18658888