--- version: rssac002v3 service: a.root-servers.net start-period: '2017-05-11T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4323320059 dns-udp-queries-received-ipv6: 378604684 dns-tcp-queries-received-ipv4: 167295298 dns-tcp-queries-received-ipv6: 8300190 dns-udp-responses-sent-ipv4: 4322164008 dns-udp-responses-sent-ipv6: 378527751 dns-tcp-responses-sent-ipv4: 167447697 dns-tcp-responses-sent-ipv6: 8385541