--- version: rssac002v3 service: i.root-servers.net start-period: '2018-02-20T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5367358241 dns-udp-queries-received-ipv6: 680596482 dns-tcp-queries-received-ipv4: 96745020 dns-tcp-queries-received-ipv6: 14679947 dns-udp-responses-sent-ipv4: 5380734029 dns-udp-responses-sent-ipv6: 675519559 dns-tcp-responses-sent-ipv4: 97791128 dns-tcp-responses-sent-ipv6: 14697034