--- version: rssac002v4 service: a.root-servers.net start-period: '2023-02-25T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6457337105 dns-udp-queries-received-ipv6: 2078565080 dns-tcp-queries-received-ipv4: 395362522 dns-tcp-queries-received-ipv6: 162748130 dns-udp-responses-sent-ipv4: 5907831783 dns-udp-responses-sent-ipv6: 1747914212 dns-tcp-responses-sent-ipv4: 326822432 dns-tcp-responses-sent-ipv6: 135076751