--- version: rssac002v3 service: a.root-servers.net start-period: '2019-11-27T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6439996191 dns-udp-queries-received-ipv6: 1236965478 dns-tcp-queries-received-ipv4: 220754749 dns-tcp-queries-received-ipv6: 70815393 dns-udp-responses-sent-ipv4: 6266497730 dns-udp-responses-sent-ipv6: 1229443640 dns-tcp-responses-sent-ipv4: 217493541 dns-tcp-responses-sent-ipv6: 71036518