--- version: rssac002v3 service: a.root-servers.net start-period: '2020-02-02T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6961740170 dns-udp-queries-received-ipv6: 967244917 dns-tcp-queries-received-ipv4: 249443065 dns-tcp-queries-received-ipv6: 71486383 dns-udp-responses-sent-ipv4: 6780997227 dns-udp-responses-sent-ipv6: 965900575 dns-tcp-responses-sent-ipv4: 233988604 dns-tcp-responses-sent-ipv6: 71502275