--- version: rssac002v3 service: a.root-servers.net start-period: '2018-10-14T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3800077617 dns-udp-queries-received-ipv6: 572383162 dns-tcp-queries-received-ipv4: 101727368 dns-tcp-queries-received-ipv6: 24190925 dns-udp-responses-sent-ipv4: 3703586527 dns-udp-responses-sent-ipv6: 572106354 dns-tcp-responses-sent-ipv4: 98887373 dns-tcp-responses-sent-ipv6: 24318954