--- version: rssac002v3 service: a.root-servers.net start-period: '2017-05-25T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3755010296 dns-udp-queries-received-ipv6: 434635244 dns-tcp-queries-received-ipv4: 168492996 dns-tcp-queries-received-ipv6: 8033034 dns-udp-responses-sent-ipv4: 3752195237 dns-udp-responses-sent-ipv6: 434601532 dns-tcp-responses-sent-ipv4: 168520051 dns-tcp-responses-sent-ipv6: 8122886