--- version: rssac002v3 service: i.root-servers.net start-period: '2018-09-20T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5542857309 dns-udp-queries-received-ipv6: 1042391648 dns-tcp-queries-received-ipv4: 130470282 dns-tcp-queries-received-ipv6: 26659892 dns-udp-responses-sent-ipv4: 5615379811 dns-udp-responses-sent-ipv6: 1043052532 dns-tcp-responses-sent-ipv4: 134423264 dns-tcp-responses-sent-ipv6: 25809741