--- version: rssac002v3 service: a.root-servers.net start-period: '2018-08-16T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3833185727 dns-udp-queries-received-ipv6: 543842086 dns-tcp-queries-received-ipv4: 115490435 dns-tcp-queries-received-ipv6: 20154163 dns-udp-responses-sent-ipv4: 3735316542 dns-udp-responses-sent-ipv6: 543555106 dns-tcp-responses-sent-ipv4: 111813465 dns-tcp-responses-sent-ipv6: 20282122