--- version: rssac002v3 service: j.root-servers.net start-period: '2019-03-06T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6982961994 dns-udp-queries-received-ipv6: 1182243399 dns-tcp-queries-received-ipv4: 322740441 dns-tcp-queries-received-ipv6: 172440723 dns-udp-responses-sent-ipv4: 6672378153 dns-udp-responses-sent-ipv6: 1051486510 dns-tcp-responses-sent-ipv4: 289389805 dns-tcp-responses-sent-ipv6: 106435282