--- version: rssac002v3 service: a.root-servers.net start-period: '2018-09-20T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4324366485 dns-udp-queries-received-ipv6: 601898286 dns-tcp-queries-received-ipv4: 113234483 dns-tcp-queries-received-ipv6: 24269399 dns-udp-responses-sent-ipv4: 4208591544 dns-udp-responses-sent-ipv6: 601621862 dns-tcp-responses-sent-ipv4: 110856971 dns-tcp-responses-sent-ipv6: 24281712