--- version: rssac002v3 service: j.root-servers.net start-period: '2021-09-14T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6234763681 dns-udp-queries-received-ipv6: 1342508826 dns-tcp-queries-received-ipv4: 452328103 dns-tcp-queries-received-ipv6: 98796047 dns-udp-responses-sent-ipv4: 5863469704 dns-udp-responses-sent-ipv6: 1338912425 dns-tcp-responses-sent-ipv4: 338946861 dns-tcp-responses-sent-ipv6: 98539434