---
service: h.root-servers.net
metric: traffic-volume
version: rssac002v4
start-period: 2021-07-18T00:00:00Z
dns-udp-queries-received-ipv4: 3473845135
dns-udp-queries-received-ipv6: 457529372
dns-tcp-queries-received-ipv4: 143024162
dns-tcp-queries-received-ipv6: 72981750
dns-udp-responses-sent-ipv4: 3469295885
dns-udp-responses-sent-ipv6: 457483685
dns-tcp-responses-sent-ipv4: 147234666
dns-tcp-responses-sent-ipv6: 75303388