--- version: rssac002v3 service: i.root-servers.net start-period: '2017-06-06T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5363827441 dns-udp-queries-received-ipv6: 664904203 dns-tcp-queries-received-ipv4: 59639981 dns-tcp-queries-received-ipv6: 9018640 dns-udp-responses-sent-ipv4: 5354886922 dns-udp-responses-sent-ipv6: 664725772 dns-tcp-responses-sent-ipv4: 60394712 dns-tcp-responses-sent-ipv6: 9172536