--- version: rssac002v3 service: a.root-servers.net start-period: '2018-06-14T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5903447089 dns-udp-queries-received-ipv6: 456702834 dns-tcp-queries-received-ipv4: 133494632 dns-tcp-queries-received-ipv6: 16594399 dns-udp-responses-sent-ipv4: 5789938076 dns-udp-responses-sent-ipv6: 456260367 dns-tcp-responses-sent-ipv4: 133387121 dns-tcp-responses-sent-ipv6: 16646538