--- version: rssac002v3 service: a.root-servers.net start-period: '2019-11-06T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6569471132 dns-udp-queries-received-ipv6: 1330751279 dns-tcp-queries-received-ipv4: 189958286 dns-tcp-queries-received-ipv6: 50932006 dns-udp-responses-sent-ipv4: 6398652551 dns-udp-responses-sent-ipv6: 1330045367 dns-tcp-responses-sent-ipv4: 186691084 dns-tcp-responses-sent-ipv6: 51156860