--- version: rssac002v3 service: a.root-servers.net start-period: '2017-10-20T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3557920685 dns-udp-queries-received-ipv6: 408349262 dns-tcp-queries-received-ipv4: 179968725 dns-tcp-queries-received-ipv6: 12222125 dns-udp-responses-sent-ipv4: 3546778275 dns-udp-responses-sent-ipv6: 405932709 dns-tcp-responses-sent-ipv4: 179041593 dns-tcp-responses-sent-ipv6: 12057295