--- version: rssac002v3 service: a.root-servers.net start-period: '2020-12-12T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6099371022 dns-udp-queries-received-ipv6: 1100098702 dns-tcp-queries-received-ipv4: 274912303 dns-tcp-queries-received-ipv6: 107227857 dns-udp-responses-sent-ipv4: 5934738391 dns-udp-responses-sent-ipv6: 1098545390 dns-tcp-responses-sent-ipv4: 265594451 dns-tcp-responses-sent-ipv6: 107608893