--- version: rssac002v3 service: i.root-servers.net start-period: '2018-03-12T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5591970548 dns-udp-queries-received-ipv6: 706136664 dns-tcp-queries-received-ipv4: 117741114 dns-tcp-queries-received-ipv6: 13485157 dns-udp-responses-sent-ipv4: 5654227023 dns-udp-responses-sent-ipv6: 701383763 dns-tcp-responses-sent-ipv4: 116207234 dns-tcp-responses-sent-ipv6: 13461576