--- version: rssac002v3 service: i.root-servers.net start-period: '2018-09-06T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5350769232 dns-udp-queries-received-ipv6: 991085381 dns-tcp-queries-received-ipv4: 113018818 dns-tcp-queries-received-ipv6: 26545523 dns-udp-responses-sent-ipv4: 5309935039 dns-udp-responses-sent-ipv6: 992589753 dns-tcp-responses-sent-ipv4: 111393593 dns-tcp-responses-sent-ipv6: 26216236