--- version: rssac002v3 service: i.root-servers.net start-period: '2023-04-27T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5304840808 dns-udp-queries-received-ipv6: 1432868569 dns-tcp-queries-received-ipv4: 489456586 dns-tcp-queries-received-ipv6: 84635345 dns-udp-responses-sent-ipv4: 4256342251 dns-udp-responses-sent-ipv6: 1183477019 dns-tcp-responses-sent-ipv4: 427193507 dns-tcp-responses-sent-ipv6: 75005424