--- version: rssac002v3 service: a.root-servers.net start-period: '2017-11-22T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3419586027 dns-udp-queries-received-ipv6: 382953121 dns-tcp-queries-received-ipv4: 86977719 dns-tcp-queries-received-ipv6: 13591757 dns-udp-responses-sent-ipv4: 3417180490 dns-udp-responses-sent-ipv6: 382913153 dns-tcp-responses-sent-ipv4: 87271610 dns-tcp-responses-sent-ipv6: 13684192