--- version: rssac002v3 service: i.root-servers.net start-period: '2019-06-15T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 523249844 dns-udp-queries-received-ipv6: 169103168 dns-tcp-queries-received-ipv4: 5900771 dns-tcp-queries-received-ipv6: 963758 dns-udp-responses-sent-ipv4: 527873852 dns-udp-responses-sent-ipv6: 168596876 dns-tcp-responses-sent-ipv4: 5424716 dns-tcp-responses-sent-ipv6: 984860