--- version: rssac002v3 service: i.root-servers.net start-period: '2018-09-17T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5477539522 dns-udp-queries-received-ipv6: 980177615 dns-tcp-queries-received-ipv4: 137479774 dns-tcp-queries-received-ipv6: 25761659 dns-udp-responses-sent-ipv4: 5513535662 dns-udp-responses-sent-ipv6: 981084720 dns-tcp-responses-sent-ipv4: 136297996 dns-tcp-responses-sent-ipv6: 25263403