DNS response history for b.dns40.com

b.dns40.com is a DNS nameserver monitored by NameServerHistory. This page provides historical DNS response-time data, nameserver uptime signals, DNS latency observations, resolved IP history, successful response counts, failed response counts, and reliability indicators for this nameserver.

The selected UTC date is 2026-08-19. For this date, NameServerHistory found 75 DNS check records, 74 successful responses, 1 failed responses, and 192 ms average response time. Current selected-date status: At least one successful DNS response was recorded for the selected date.

  • Use this report to investigate historical DNS uptime and nameserver reliability.
  • Compare DNS latency changes, failed DNS checks, and response behavior over time.
  • Review the latest resolved IP address and raw DNS check history for b.dns40.com.
Records on Selected Date

75

Historical checks stored for this nameserver on selected date

Average Latency

192 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-19 23:58

All timestamps shown in UTC

Latest Resolved IP on Selected Date

198.50.175.169

Most recently resolved hosting IP on selected date

Successful Responses

74

Checks that returned a measurable response

Failed Responses

1

Checks with no response or no returned latency

Failure Rate

1%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for b.dns40.com

Showing DNS history for 2026-08-19 UTC. Newest records appear first.

Latency bars are scaled to a maximum of 5000 ms for quick visual comparison.

# Query Time (UTC) Correlation ID Latency Response IP Address
75 2026-08-19 23:58 639227805445376839
4 ms 198.50.175.169
74 2026-08-19 23:42 639227795899225951
8 ms 198.50.175.169
73 2026-08-19 23:26 639227786351762008
22 ms 198.50.175.169
72 2026-08-19 23:10 639227776640591733
-
71 2026-08-19 22:54 639227767128841282
44 ms 198.50.175.169
70 2026-08-19 22:38 639227757477304711
11 ms 198.50.175.169
69 2026-08-19 22:22 639227747572098014
27 ms 198.50.175.169
68 2026-08-19 22:05 639227737588613113
4 ms 198.50.175.169
67 2026-08-19 21:13 639227706134603955
39 ms 198.50.175.169
66 2026-08-19 20:57 639227696589027396
28 ms 198.50.175.169
65 2026-08-19 20:41 639227687097707639
8 ms 198.50.175.169
64 2026-08-19 20:25 639227677474464487
5 ms 198.50.175.169
63 2026-08-19 20:09 639227667767441118
29 ms 198.50.175.169
62 2026-08-19 19:52 639227657984833832
5 ms 198.50.175.169
61 2026-08-19 19:36 639227648079992640
43 ms 198.50.175.169
60 2026-08-19 19:19 639227638125048441
21 ms 198.50.175.169
59 2026-08-19 19:03 639227628211392142
95 ms 198.50.175.169
58 2026-08-19 18:46 639227618261696275
57 ms 198.50.175.169
57 2026-08-19 18:30 639227608366233645
6 ms 198.50.175.169
56 2026-08-19 18:13 639227598301787588
9 ms 198.50.175.169
55 2026-08-19 17:20 639227566241010716
5 ms 198.50.175.169
54 2026-08-19 17:03 639227556454538959
33 ms 198.50.175.169
53 2026-08-19 16:47 639227546640305542
12 ms 198.50.175.169
52 2026-08-19 16:31 639227536965466472
14 ms 198.50.175.169
51 2026-08-19 16:14 639227527048658280
27 ms 198.50.175.169
50 2026-08-19 15:58 639227517386634438
37 ms 198.50.175.169
49 2026-08-19 15:42 639227507459551637
13 ms 198.50.175.169
48 2026-08-19 15:25 639227497515595277
4 ms 198.50.175.169
47 2026-08-19 15:08 639227487441798036
14 ms 198.50.175.169
46 2026-08-19 14:51 639227477445551863
76 ms 198.50.175.169
45 2026-08-19 14:34 639227467297067891
32 ms 198.50.175.169
44 2026-08-19 14:17 639227457057795635
29 ms 198.50.175.169
43 2026-08-19 13:24 639227425244777397
104 ms 198.50.175.169
42 2026-08-19 13:08 639227415422116485
36 ms 198.50.175.169
41 2026-08-19 12:51 639227405307256053
8 ms 198.50.175.169
40 2026-08-19 12:35 639227395396602630
18 ms 198.50.175.169
39 2026-08-19 12:18 639227385510363611
26 ms 198.50.175.169
38 2026-08-19 12:02 639227375508324850
2023 ms 198.50.175.169
37 2026-08-19 11:45 639227365326611906
2013 ms 198.50.175.169
36 2026-08-19 11:28 639227355360014208
5 ms 198.50.175.169
35 2026-08-19 11:11 639227345036782165
15 ms 198.50.175.169
34 2026-08-19 10:54 639227334992964533
41 ms 198.50.175.169
33 2026-08-19 10:37 639227324986605572
139 ms 198.50.175.169
32 2026-08-19 10:21 639227314928414539
30 ms 198.50.175.169
31 2026-08-19 09:27 639227283029182134
9 ms 198.50.175.169
30 2026-08-19 09:11 639227273294779350
46 ms 198.50.175.169
29 2026-08-19 08:55 639227263525231313
6 ms 198.50.175.169
28 2026-08-19 08:38 639227253578313363
47 ms 198.50.175.169
27 2026-08-19 08:22 639227243649973322
81 ms 198.50.175.169
26 2026-08-19 08:05 639227233581059317
80 ms 198.50.175.169
25 2026-08-19 07:48 639227223667352067
31 ms 198.50.175.169
24 2026-08-19 07:32 639227213714837066
14 ms 198.50.175.169
23 2026-08-19 07:15 639227203701208496
4 ms 198.50.175.169
22 2026-08-19 06:58 639227193643202179
58 ms 198.50.175.169
21 2026-08-19 06:42 639227183584431597
6 ms 198.50.175.169
20 2026-08-19 06:25 639227173347403088
2029 ms 198.50.175.169
19 2026-08-19 05:32 639227141523007601
22 ms 198.50.175.169
18 2026-08-19 05:15 639227131785931574
61 ms 198.50.175.169
17 2026-08-19 04:59 639227122176475389
25 ms 198.50.175.169
16 2026-08-19 04:43 639227112668934596
3 ms 198.50.175.169
15 2026-08-19 04:27 639227102773292788
2042 ms 198.50.175.169
14 2026-08-19 04:11 639227093141136930
14 ms 198.50.175.169
13 2026-08-19 03:55 639227083449420147
71 ms 198.50.175.169
12 2026-08-19 03:39 639227073771748493
56 ms 198.50.175.169
11 2026-08-19 03:22 639227063977347614
5 ms 198.50.175.169
10 2026-08-19 03:06 639227054253519024
4 ms 198.50.175.169
9 2026-08-19 02:50 639227044381963886
75 ms 198.50.175.169
8 2026-08-19 02:33 639227034441085514
12 ms 198.50.175.169
7 2026-08-19 01:41 639227003126489968
16 ms 198.50.175.169
6 2026-08-19 01:25 639226993456311614
2026 ms 198.50.175.169
5 2026-08-19 01:09 639226983847312345
2084 ms 198.50.175.169
4 2026-08-19 00:53 639226974357874853
4 ms 198.50.175.169
3 2026-08-19 00:37 639226964670484721
25 ms 198.50.175.169
2 2026-08-19 00:20 639226954857899696
15 ms 198.50.175.169
1 2026-08-19 00:04 639226945091603488
16 ms 198.50.175.169