--- version: rssac002v3 service: j.root-servers.net start-period: '2018-04-08T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4355911358 dns-udp-queries-received-ipv6: 418683830 dns-tcp-queries-received-ipv4: 237182886 dns-tcp-queries-received-ipv6: 18505789 dns-udp-responses-sent-ipv4: 4227557394 dns-udp-responses-sent-ipv6: 416146618 dns-tcp-responses-sent-ipv4: 191450775 dns-tcp-responses-sent-ipv6: 18528932