--- version: rssac002v3 service: a.root-servers.net start-period: '2020-05-15T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8120400462 dns-udp-queries-received-ipv6: 1614852060 dns-tcp-queries-received-ipv4: 285153620 dns-tcp-queries-received-ipv6: 111328446 dns-udp-responses-sent-ipv4: 7921575418 dns-udp-responses-sent-ipv6: 1607313467 dns-tcp-responses-sent-ipv4: 273968022 dns-tcp-responses-sent-ipv6: 110236885