--- version: rssac002v3 service: a.root-servers.net start-period: '2018-01-25T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3721900094 dns-udp-queries-received-ipv6: 411706728 dns-tcp-queries-received-ipv4: 101898957 dns-tcp-queries-received-ipv6: 14701329 dns-udp-responses-sent-ipv4: 3716773883 dns-udp-responses-sent-ipv6: 411681465 dns-tcp-responses-sent-ipv4: 102225205 dns-tcp-responses-sent-ipv6: 14817286