--- version: rssac002v3 service: a.root-servers.net start-period: '2018-05-24T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5829929100 dns-udp-queries-received-ipv6: 363203612 dns-tcp-queries-received-ipv4: 117419785 dns-tcp-queries-received-ipv6: 15851819 dns-udp-responses-sent-ipv4: 5749970413 dns-udp-responses-sent-ipv6: 362860244 dns-tcp-responses-sent-ipv4: 126811698 dns-tcp-responses-sent-ipv6: 15884465