--- version: rssac002v3 service: i.root-servers.net start-period: '2018-05-23T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5849625930 dns-udp-queries-received-ipv6: 850811929 dns-tcp-queries-received-ipv4: 134075707 dns-tcp-queries-received-ipv6: 17639337 dns-udp-responses-sent-ipv4: 5809335247 dns-udp-responses-sent-ipv6: 850307588 dns-tcp-responses-sent-ipv4: 130669309 dns-tcp-responses-sent-ipv6: 17535155