--- version: rssac002v3 service: i.root-servers.net start-period: '2018-08-07T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5489562659 dns-udp-queries-received-ipv6: 1025595502 dns-tcp-queries-received-ipv4: 138295650 dns-tcp-queries-received-ipv6: 25253980 dns-udp-responses-sent-ipv4: 5468736738 dns-udp-responses-sent-ipv6: 1024222204 dns-tcp-responses-sent-ipv4: 134958880 dns-tcp-responses-sent-ipv6: 24830136