--- version: rssac002v3 service: a.root-servers.net start-period: '2020-06-12T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8322382824 dns-udp-queries-received-ipv6: 1651668213 dns-tcp-queries-received-ipv4: 267991719 dns-tcp-queries-received-ipv6: 92752427 dns-udp-responses-sent-ipv4: 8084055485 dns-udp-responses-sent-ipv6: 1649770067 dns-tcp-responses-sent-ipv4: 252224932 dns-tcp-responses-sent-ipv6: 93198347