--- version: rssac002v3 service: a.root-servers.net start-period: '2018-11-14T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4929818430 dns-udp-queries-received-ipv6: 833811025 dns-tcp-queries-received-ipv4: 201744667 dns-tcp-queries-received-ipv6: 29937784 dns-udp-responses-sent-ipv4: 4815119296 dns-udp-responses-sent-ipv6: 833263993 dns-tcp-responses-sent-ipv4: 206106401 dns-tcp-responses-sent-ipv6: 30083503