--- version: rssac002v3 service: a.root-servers.net start-period: '2017-11-15T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3473295852 dns-udp-queries-received-ipv6: 399334877 dns-tcp-queries-received-ipv4: 120678905 dns-tcp-queries-received-ipv6: 12503891 dns-udp-responses-sent-ipv4: 3471709742 dns-udp-responses-sent-ipv6: 399283975 dns-tcp-responses-sent-ipv4: 121156272 dns-tcp-responses-sent-ipv6: 12598652