--- version: rssac002v3 service: j.root-servers.net start-period: '2018-09-06T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5598197680 dns-udp-queries-received-ipv6: 680450478 dns-tcp-queries-received-ipv4: 275218414 dns-tcp-queries-received-ipv6: 22595238 dns-udp-responses-sent-ipv4: 5380954287 dns-udp-responses-sent-ipv6: 678440344 dns-tcp-responses-sent-ipv4: 209896098 dns-tcp-responses-sent-ipv6: 22299054