--- version: rssac002v3 service: a.root-servers.net start-period: '2020-04-11T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8005632788 dns-udp-queries-received-ipv6: 1167798976 dns-tcp-queries-received-ipv4: 295956727 dns-tcp-queries-received-ipv6: 125196401 dns-udp-responses-sent-ipv4: 7764142192 dns-udp-responses-sent-ipv6: 1161910046 dns-tcp-responses-sent-ipv4: 292026565 dns-tcp-responses-sent-ipv6: 125362844