--- version: rssac002v3 service: a.root-servers.net start-period: '2019-10-06T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6996398133 dns-udp-queries-received-ipv6: 1313113689 dns-tcp-queries-received-ipv4: 198272239 dns-tcp-queries-received-ipv6: 35752347 dns-udp-responses-sent-ipv4: 6632884955 dns-udp-responses-sent-ipv6: 1312649188 dns-tcp-responses-sent-ipv4: 193584546 dns-tcp-responses-sent-ipv6: 36776152