--- version: rssac002v3 service: a.root-servers.net start-period: '2019-10-22T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6797949690 dns-udp-queries-received-ipv6: 1440122772 dns-tcp-queries-received-ipv4: 193240480 dns-tcp-queries-received-ipv6: 43757629 dns-udp-responses-sent-ipv4: 6619612921 dns-udp-responses-sent-ipv6: 1439357431 dns-tcp-responses-sent-ipv4: 188939019 dns-tcp-responses-sent-ipv6: 44081394