--- version: rssac002v3 service: i.root-servers.net start-period: '2018-02-13T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5670548817 dns-udp-queries-received-ipv6: 759501481 dns-tcp-queries-received-ipv4: 104476528 dns-tcp-queries-received-ipv6: 14950493 dns-udp-responses-sent-ipv4: 5684116416 dns-udp-responses-sent-ipv6: 755397525 dns-tcp-responses-sent-ipv4: 105575679 dns-tcp-responses-sent-ipv6: 14990607