--- version: rssac002v3 service: j.root-servers.net start-period: '2019-09-06T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7903586324 dns-udp-queries-received-ipv6: 1623118007 dns-tcp-queries-received-ipv4: 550979186 dns-tcp-queries-received-ipv6: 229057997 dns-udp-responses-sent-ipv4: 7411633213 dns-udp-responses-sent-ipv6: 1428195508 dns-tcp-responses-sent-ipv4: 415662266 dns-tcp-responses-sent-ipv6: 133656468