--- version: rssac002v3 service: i.root-servers.net start-period: '2018-04-23T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5740544994 dns-udp-queries-received-ipv6: 806120633 dns-tcp-queries-received-ipv4: 119510703 dns-tcp-queries-received-ipv6: 18399273 dns-udp-responses-sent-ipv4: 5742605284 dns-udp-responses-sent-ipv6: 805979377 dns-tcp-responses-sent-ipv4: 117350562 dns-tcp-responses-sent-ipv6: 18380143