Column

ODVR statistics

Resolver instances - Statistics of daily QPS averages for each resolver instance during the last 30 days before January 16, 2026

Server Max QPS Min QPS Trend Average
b-01 2 814 1 660 2 057
r-01 2 817 1 641 2 042
s-01 2 868 446 1 984
b-03 2 766 465 1 939
s-02 1 789 968 1 198
b-04 1 745 875 1 123
r-02 1 696 885 1 120
b-02 1 685 864 1 098

Return codes - Statistics of daily QPS averages for queries responded with a given RCODE during the last 30 days before January 16, 2026

RCODE Max QPS Min QPS Trend Average
NoError 13 418 8 029 9 882
NXDomain 2 098 1 248 1 559
ServFail 2 378 383 854
NotImp 665 20 164
Refused 50 32 37
YXDomain 0 0 0

Query types - Statistics of daily QPS averages for queries with a given QTYPE during the last 30 days before January 16, 2026

QTYPE Max QPS Min QPS Trend Average
A 9 028 5 417 6 566
AAAA 1 998 1 383 1 644
PTR 1 001 654 791
Other 860 532 737
ANY 2 690 126 671
NS 588 397 488
TXT 136 32 54
MX 245 21 48

Top domains

Top 1000 domains by client cardinality magnitude on January 15, 2026

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