--- version: rssac002v3 service: i.root-servers.net start-period: '2018-01-19T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5142855802 dns-udp-queries-received-ipv6: 657083217 dns-tcp-queries-received-ipv4: 88354999 dns-tcp-queries-received-ipv6: 13485273 dns-udp-responses-sent-ipv4: 5243247663 dns-udp-responses-sent-ipv6: 655725912 dns-tcp-responses-sent-ipv4: 88597222 dns-tcp-responses-sent-ipv6: 13467436