--- version: rssac002v4 service: a.root-servers.net start-period: '2023-12-12T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7193514286 dns-udp-queries-received-ipv6: 1459512555 dns-tcp-queries-received-ipv4: 394582445 dns-tcp-queries-received-ipv6: 59356364 dns-udp-responses-sent-ipv4: 7025741864 dns-udp-responses-sent-ipv6: 1436556092 dns-tcp-responses-sent-ipv4: 378217805 dns-tcp-responses-sent-ipv6: 49429790