DNS response history for a.blockdos.com

a.blockdos.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 2026-08-21. For this date, NameServerHistory found 72 DNS check records, 72 successful responses, 0 failed responses, and 224 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 a.blockdos.com.
Records on Selected Date

72

Historical checks stored for this nameserver on selected date

Average Latency

224 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-21 23:47

All timestamps shown in UTC

Latest Resolved IP on Selected Date

67.228.254.4

Most recently resolved hosting IP on selected date

Successful Responses

72

Checks that returned a measurable response

Failed Responses

0

Checks with no response or no returned latency

Failure Rate

0%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for a.blockdos.com

Showing DNS history for 2026-08-21 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
72 2026-08-21 23:47 639229527598660841
5 ms 67.228.254.4
71 2026-08-21 23:31 639229517954323214
2041 ms 67.228.254.4
70 2026-08-21 23:14 639229508269999021
39 ms 67.228.254.4
69 2026-08-21 22:58 639229498559060171
7 ms 67.228.254.4
68 2026-08-21 22:42 639229488519347586
13 ms 67.228.254.4
67 2026-08-21 21:48 639229456606578934
11 ms 67.228.254.4
66 2026-08-21 21:32 639229446985772499
13 ms 67.228.254.4
65 2026-08-21 21:16 639229437367313098
2028 ms 67.228.254.4
64 2026-08-21 21:01 639229427923950391
2075 ms 67.228.254.4
63 2026-08-21 20:44 639229418168588854
2017 ms 67.228.254.4
62 2026-08-21 20:28 639229408345678334
49 ms 67.228.254.4
61 2026-08-21 20:12 639229398616354648
33 ms 67.228.254.4
60 2026-08-21 19:55 639229388634592323
19 ms 67.228.254.4
59 2026-08-21 19:39 639229378792837692
23 ms 67.228.254.4
58 2026-08-21 19:23 639229369154682311
16 ms 67.228.254.4
57 2026-08-21 19:06 639229359248017926
15 ms 67.228.254.4
56 2026-08-21 18:49 639229349124294642
127 ms 67.228.254.4
55 2026-08-21 17:57 639229317791715692
8 ms 67.228.254.4
54 2026-08-21 17:41 639229308115194575
17 ms 67.228.254.4
53 2026-08-21 17:25 639229298320320558
36 ms 67.228.254.4
52 2026-08-21 17:08 639229288674863221
24 ms 67.228.254.4
51 2026-08-21 16:52 639229278983677079
2079 ms 67.228.254.4
50 2026-08-21 16:36 639229269405517175
47 ms 67.228.254.4
49 2026-08-21 16:20 639229259594798244
43 ms 67.228.254.4
48 2026-08-21 16:04 639229249736681188
20 ms 67.228.254.4
47 2026-08-21 15:47 639229239699417787
19 ms 67.228.254.4
46 2026-08-21 15:30 639229229621964033
32 ms 67.228.254.4
45 2026-08-21 15:13 639229219567270965
10 ms 67.228.254.4
44 2026-08-21 14:56 639229209406666856
2035 ms 67.228.254.4
43 2026-08-21 14:04 639229177815876178
34 ms 67.228.254.4
42 2026-08-21 13:48 639229168243572685
118 ms 67.228.254.4
41 2026-08-21 13:32 639229158599856475
22 ms 67.228.254.4
40 2026-08-21 13:16 639229148998940902
30 ms 67.228.254.4
39 2026-08-21 13:00 639229139276923594
51 ms 67.228.254.4
38 2026-08-21 12:44 639229129709912394
33 ms 67.228.254.4
37 2026-08-21 12:27 639229119801488500
9 ms 67.228.254.4
36 2026-08-21 12:11 639229110135262458
12 ms 67.228.254.4
35 2026-08-21 11:55 639229100336051392
6 ms 67.228.254.4
34 2026-08-21 11:38 639229090641415626
98 ms 67.228.254.4
33 2026-08-21 11:22 639229080702683947
9 ms 67.228.254.4
32 2026-08-21 11:05 639229070601456699
27 ms 67.228.254.4
31 2026-08-21 10:12 639229038947447232
24 ms 67.228.254.4
30 2026-08-21 09:56 639229029268708773
7 ms 67.228.254.4
29 2026-08-21 09:40 639229019647910603
31 ms 67.228.254.4
28 2026-08-21 09:24 639229009983843738
20 ms 67.228.254.4
27 2026-08-21 09:08 639229000203331882
15 ms 67.228.254.4
26 2026-08-21 08:51 639228990302335999
34 ms 67.228.254.4
25 2026-08-21 08:35 639228980567740722
37 ms 67.228.254.4
24 2026-08-21 08:19 639228970762445174
17 ms 67.228.254.4
23 2026-08-21 08:02 639228961065054445
37 ms 67.228.254.4
22 2026-08-21 07:46 639228951224649885
9 ms 67.228.254.4
21 2026-08-21 07:29 639228941303864592
15 ms 67.228.254.4
20 2026-08-21 07:13 639228931191328583
9 ms 67.228.254.4
19 2026-08-21 06:20 639228899518173317
36 ms 67.228.254.4
18 2026-08-21 06:04 639228889785027669
34 ms 67.228.254.4
17 2026-08-21 05:48 639228880106330161
26 ms 67.228.254.4
16 2026-08-21 05:31 639228870316184091
27 ms 67.228.254.4
15 2026-08-21 05:15 639228860695366512
37 ms 67.228.254.4
14 2026-08-21 04:59 639228851027209500
19 ms 67.228.254.4
13 2026-08-21 04:43 639228841479265462
7 ms 67.228.254.4
12 2026-08-21 04:27 639228831752962260
4 ms 67.228.254.4
11 2026-08-21 04:11 639228821953295483
13 ms 67.228.254.4
10 2026-08-21 03:54 639228812227429953
97 ms 67.228.254.4
9 2026-08-21 03:38 639228802476107538
4 ms 67.228.254.4
8 2026-08-21 03:22 639228792525492032
42 ms 67.228.254.4
7 2026-08-21 02:29 639228761131421385
50 ms 67.228.254.4
6 2026-08-21 02:13 639228751571206692
26 ms 67.228.254.4
5 2026-08-21 01:57 639228741705571019
6 ms 67.228.254.4
4 2026-08-21 01:40 639228731642208228
44 ms 67.228.254.4
3 2026-08-21 00:48 639228700387002072
18 ms 67.228.254.4
2 2026-08-21 00:32 639228690742014433
48 ms 67.228.254.4
1 2026-08-21 00:16 639228680877937122
2020 ms 67.228.254.4