--- version: rssac002v3 service: a.root-servers.net start-period: '2019-11-08T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6742769197 dns-udp-queries-received-ipv6: 1498163604 dns-tcp-queries-received-ipv4: 201396679 dns-tcp-queries-received-ipv6: 55672393 dns-udp-responses-sent-ipv4: 6562809677 dns-udp-responses-sent-ipv6: 1497494412 dns-tcp-responses-sent-ipv4: 197898465 dns-tcp-responses-sent-ipv6: 55889033