--- version: rssac002v4 service: a.root-servers.net start-period: '2023-12-18T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7898810579 dns-udp-queries-received-ipv6: 1664684488 dns-tcp-queries-received-ipv4: 414475847 dns-tcp-queries-received-ipv6: 82711910 dns-udp-responses-sent-ipv4: 7716990093 dns-udp-responses-sent-ipv6: 1617585639 dns-tcp-responses-sent-ipv4: 389172875 dns-tcp-responses-sent-ipv6: 61443203