--- version: rssac002v3 service: i.root-servers.net start-period: '2018-04-05T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6019929577 dns-udp-queries-received-ipv6: 741249936 dns-tcp-queries-received-ipv4: 127268474 dns-tcp-queries-received-ipv6: 15673844 dns-udp-responses-sent-ipv4: 5986239835 dns-udp-responses-sent-ipv6: 737565689 dns-tcp-responses-sent-ipv4: 125174360 dns-tcp-responses-sent-ipv6: 15798295