--- version: rssac002v3 service: a.root-servers.net start-period: '2017-11-26T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3139154523 dns-udp-queries-received-ipv6: 358643443 dns-tcp-queries-received-ipv4: 76767484 dns-tcp-queries-received-ipv6: 12835438 dns-udp-responses-sent-ipv4: 3137148617 dns-udp-responses-sent-ipv6: 358630817 dns-tcp-responses-sent-ipv4: 76929377 dns-tcp-responses-sent-ipv6: 12979656