--- version: rssac002v3 service: a.root-servers.net start-period: '2017-04-06T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4233496471 dns-udp-queries-received-ipv6: 476192828 dns-tcp-queries-received-ipv4: 163006851 dns-tcp-queries-received-ipv6: 8944452 dns-udp-responses-sent-ipv4: 4225440795 dns-udp-responses-sent-ipv6: 476092744 dns-tcp-responses-sent-ipv4: 162997765 dns-tcp-responses-sent-ipv6: 9057741