--- version: rssac002v3 service: a.root-servers.net start-period: '2017-05-02T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4051263094 dns-udp-queries-received-ipv6: 385561821 dns-tcp-queries-received-ipv4: 180508854 dns-tcp-queries-received-ipv6: 8764456 dns-udp-responses-sent-ipv4: 4049859583 dns-udp-responses-sent-ipv6: 385473550 dns-tcp-responses-sent-ipv4: 180742733 dns-tcp-responses-sent-ipv6: 8864385