--- version: rssac002v3 service: a.root-servers.net start-period: '2018-10-31T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4729266538 dns-udp-queries-received-ipv6: 737628657 dns-tcp-queries-received-ipv4: 141945354 dns-tcp-queries-received-ipv6: 29664417 dns-udp-responses-sent-ipv4: 4617415226 dns-udp-responses-sent-ipv6: 737093203 dns-tcp-responses-sent-ipv4: 138411169 dns-tcp-responses-sent-ipv6: 29748684