--- version: rssac002v3 service: i.root-servers.net start-period: '2017-03-23T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6472882870 dns-udp-queries-received-ipv6: 911162104 dns-tcp-queries-received-ipv4: 85217784 dns-tcp-queries-received-ipv6: 8682187 dns-udp-responses-sent-ipv4: 6411681195 dns-udp-responses-sent-ipv6: 910877677 dns-tcp-responses-sent-ipv4: 87100541 dns-tcp-responses-sent-ipv6: 8927226