--- version: rssac002v3 service: i.root-servers.net start-period: '2018-03-03T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5435080594 dns-udp-queries-received-ipv6: 643578667 dns-tcp-queries-received-ipv4: 98880369 dns-tcp-queries-received-ipv6: 12900120 dns-udp-responses-sent-ipv4: 5495914970 dns-udp-responses-sent-ipv6: 640835679 dns-tcp-responses-sent-ipv4: 99456548 dns-tcp-responses-sent-ipv6: 13042099