---
version: rssac002v4
service: b.root-servers.net
start-period: 2021-12-13T00:00:00Z
metric: traffic-volume
dns-udp-queries-received-ipv4: 3845108763
dns-udp-queries-received-ipv6: 712818759
dns-tcp-queries-received-ipv4: 180819532
dns-tcp-queries-received-ipv6: 52817070
dns-udp-responses-sent-ipv4: 3792586553
dns-udp-responses-sent-ipv6: 648198345
dns-tcp-responses-sent-ipv4: 180867364
dns-tcp-responses-sent-ipv6: 51450391
