--- version: rssac002v3 service: i.root-servers.net start-period: '2018-02-04T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4881440197 dns-udp-queries-received-ipv6: 681591970 dns-tcp-queries-received-ipv4: 97822221 dns-tcp-queries-received-ipv6: 13830716 dns-udp-responses-sent-ipv4: 4928254937 dns-udp-responses-sent-ipv6: 676903638 dns-tcp-responses-sent-ipv4: 98392483 dns-tcp-responses-sent-ipv6: 13891354