--- version: rssac002v3 service: i.root-servers.net start-period: '2018-10-12T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5612621208 dns-udp-queries-received-ipv6: 957312896 dns-tcp-queries-received-ipv4: 147587164 dns-tcp-queries-received-ipv6: 26269082 dns-udp-responses-sent-ipv4: 5571675181 dns-udp-responses-sent-ipv6: 963344481 dns-tcp-responses-sent-ipv4: 145641719 dns-tcp-responses-sent-ipv6: 25929627