Column

ODVR statistics

Resolver instances - Statistics of daily QPS averages for each resolver instance during the last 30 days before June 6, 2025

Server Max QPS Min QPS Trend Average
s-01 4 695 2 245 3 902
b-01 4 781 0 3 063
b-02 7 351 1 208 2 925
b-03 3 068 0 2 332
r-01 2 595 1 236 2 045
b-04 1 658 0 1 251
b-02-vm 0 0 0

Return codes - Statistics of daily QPS averages for queries responded with a given RCODE during the last 30 days before June 6, 2025

RCODE Max QPS Min QPS Trend Average
NoError 11 990 7 970 10 643
NXDomain 1 808 1 122 1 450
ServFail 1 304 357 707
Refused 100 77 90
NotImp 32 32 32
YXDomain 0 0 0

Query types - Statistics of daily QPS averages for queries with a given QTYPE during the last 30 days before June 6, 2025

QTYPE Max QPS Min QPS Trend Average
A 7 980 5 237 6 946
AAAA 1 995 1 528 1 773
PTR 724 539 630
NS 699 450 612
DS 449 317 400
Other 459 291 386
ANY 602 52 274
MX 755 24 176
TXT 120 32 58

Top domains

Top 1000 domains by client cardinality magnitude on June 5, 2025

DNS magnitude is a number in the range 0–10 expressing “popularity” of a domain based on client cardinality (number of unique client IP addresses). For details see Mayrhofer et al. (2000).

Column

Transport protocols

Daily QPS averages for transport protocols

IP versions

Daily QPS averages for IPv4 and IPv6