--- version: rssac002v3 service: a.root-servers.net start-period: '2018-11-06T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4490396891 dns-udp-queries-received-ipv6: 616102479 dns-tcp-queries-received-ipv4: 131656668 dns-tcp-queries-received-ipv6: 30678732 dns-udp-responses-sent-ipv4: 4367692100 dns-udp-responses-sent-ipv6: 615595422 dns-tcp-responses-sent-ipv4: 128794179 dns-tcp-responses-sent-ipv6: 30833083