--- version: rssac002v3 service: j.root-servers.net start-period: '2021-09-05T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5736829108 dns-udp-queries-received-ipv6: 1170962418 dns-tcp-queries-received-ipv4: 465336656 dns-tcp-queries-received-ipv6: 98021382 dns-udp-responses-sent-ipv4: 5359634346 dns-udp-responses-sent-ipv6: 1168500947 dns-tcp-responses-sent-ipv4: 340465621 dns-tcp-responses-sent-ipv6: 98197471