--- version: rssac002v3 service: a.root-servers.net start-period: '2017-11-24T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3181773168 dns-udp-queries-received-ipv6: 373104477 dns-tcp-queries-received-ipv4: 84595863 dns-tcp-queries-received-ipv6: 13876328 dns-udp-responses-sent-ipv4: 3179063998 dns-udp-responses-sent-ipv6: 373093023 dns-tcp-responses-sent-ipv4: 84705760 dns-tcp-responses-sent-ipv6: 13976966