--- version: rssac002v3 service: a.root-servers.net start-period: '2017-06-16T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3753627747 dns-udp-queries-received-ipv6: 409313007 dns-tcp-queries-received-ipv4: 188984923 dns-tcp-queries-received-ipv6: 11460163 dns-udp-responses-sent-ipv4: 3752469747 dns-udp-responses-sent-ipv6: 409278844 dns-tcp-responses-sent-ipv4: 188998689 dns-tcp-responses-sent-ipv6: 11567895