--- version: rssac002v3 service: i.root-servers.net start-period: '2018-05-06T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5612072841 dns-udp-queries-received-ipv6: 719067538 dns-tcp-queries-received-ipv4: 128243162 dns-tcp-queries-received-ipv6: 15193559 dns-udp-responses-sent-ipv4: 5610072829 dns-udp-responses-sent-ipv6: 720829712 dns-tcp-responses-sent-ipv4: 126714043 dns-tcp-responses-sent-ipv6: 15221637