DNS response history for a1.cloudtb.com

a1.cloudtb.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, 73 successful responses, 2 failed responses, and 288 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 a1.cloudtb.com.
Records on Selected Date

75

Historical checks stored for this nameserver on selected date

Average Latency

288 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-19 23:56

All timestamps shown in UTC

Latest Resolved IP on Selected Date

5.104.107.188

Most recently resolved hosting IP on selected date

Successful Responses

73

Checks that returned a measurable response

Failed Responses

2

Checks with no response or no returned latency

Failure Rate

3%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for a1.cloudtb.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 23:56 639227805445376839
36 ms 5.104.107.188
74 2026-08-19 23:40 639227795899225951
46 ms 5.104.107.188
73 2026-08-19 23:24 639227786351762008
2029 ms 5.104.107.188
72 2026-08-19 23:08 639227776640591733
4 ms 5.104.107.188
71 2026-08-19 22:52 639227767128841282
19 ms 5.104.107.188
70 2026-08-19 22:36 639227757477304711
2065 ms 5.104.107.188
69 2026-08-19 22:20 639227747572098014
13 ms 5.104.107.188
68 2026-08-19 22:03 639227737588613113
10 ms 5.104.107.188
67 2026-08-19 21:11 639227706134603955
9 ms 5.104.107.188
66 2026-08-19 20:55 639227696589027396
147 ms 5.104.107.188
65 2026-08-19 20:39 639227687097707639
22 ms 5.104.107.188
64 2026-08-19 20:23 639227677474464487
-
63 2026-08-19 20:07 639227667767441118
168 ms 5.104.107.188
62 2026-08-19 19:50 639227657984833832
22 ms 5.104.107.188
61 2026-08-19 19:34 639227648079992640
2077 ms 5.104.107.188
60 2026-08-19 19:17 639227638125048441
151 ms 5.104.107.188
59 2026-08-19 19:01 639227628211392142
6 ms 5.104.107.188
58 2026-08-19 18:44 639227618261696275
164 ms 5.104.107.188
57 2026-08-19 18:28 639227608366233645
232 ms 5.104.107.188
56 2026-08-19 18:11 639227598301787588
155 ms 5.104.107.188
55 2026-08-19 17:18 639227566241010716
30 ms 5.104.107.188
54 2026-08-19 17:01 639227556454538959
5 ms 5.104.107.188
53 2026-08-19 16:45 639227546640305542
6 ms 5.104.107.188
52 2026-08-19 16:29 639227536965466472
178 ms 5.104.107.188
51 2026-08-19 16:12 639227527048658280
171 ms 5.104.107.188
50 2026-08-19 15:56 639227517386634438
25 ms 5.104.107.188
49 2026-08-19 15:40 639227507459551637
148 ms 5.104.107.188
48 2026-08-19 15:23 639227497515595277
34 ms 5.104.107.188
47 2026-08-19 15:06 639227487441798036
20 ms 5.104.107.188
46 2026-08-19 14:50 639227477445551863
170 ms 5.104.107.188
45 2026-08-19 14:33 639227467297067891
45 ms 5.104.107.188
44 2026-08-19 14:16 639227457057795635
194 ms 5.104.107.188
43 2026-08-19 13:23 639227425244777397
168 ms 5.104.107.188
42 2026-08-19 13:06 639227415422116485
167 ms 5.104.107.188
41 2026-08-19 12:49 639227405307256053
178 ms 5.104.107.188
40 2026-08-19 12:33 639227395396602630
300 ms 5.104.107.188
39 2026-08-19 12:16 639227385510363611
18 ms 5.104.107.188
38 2026-08-19 12:00 639227375508324850
27 ms 5.104.107.188
37 2026-08-19 11:43 639227365326611906
173 ms 5.104.107.188
36 2026-08-19 11:26 639227355360014208
4 ms 5.104.107.188
35 2026-08-19 11:09 639227345036782165
21 ms 5.104.107.188
34 2026-08-19 10:52 639227334992964533
18 ms 5.104.107.188
33 2026-08-19 10:35 639227324986605572
44 ms 5.104.107.188
32 2026-08-19 10:19 639227314928414539
7 ms 5.104.107.188
31 2026-08-19 09:25 639227283029182134
25 ms 5.104.107.188
30 2026-08-19 09:09 639227273294779350
2169 ms 5.104.107.188
29 2026-08-19 08:53 639227263525231313
149 ms 5.104.107.188
28 2026-08-19 08:36 639227253578313363
41 ms 5.104.107.188
27 2026-08-19 08:20 639227243649973322
-
26 2026-08-19 08:03 639227233581059317
24 ms 5.104.107.188
25 2026-08-19 07:47 639227223667352067
10 ms 5.104.107.188
24 2026-08-19 07:30 639227213714837066
5 ms 5.104.107.188
23 2026-08-19 07:13 639227203701208496
75 ms 5.104.107.188
22 2026-08-19 06:57 639227193643202179
64 ms 5.104.107.188
21 2026-08-19 06:40 639227183584431597
27 ms 5.104.107.188
20 2026-08-19 06:23 639227173347403088
159 ms 5.104.107.188
19 2026-08-19 05:30 639227141523007601
18 ms 5.104.107.188
18 2026-08-19 05:13 639227131785931574
4 ms 5.104.107.188
17 2026-08-19 04:57 639227122176475389
151 ms 5.104.107.188
16 2026-08-19 04:42 639227112668934596
35 ms 5.104.107.188
15 2026-08-19 04:25 639227102773292788
194 ms 5.104.107.188
14 2026-08-19 04:09 639227093141136930
2023 ms 5.104.107.188
13 2026-08-19 03:53 639227083449420147
40 ms 5.104.107.188
12 2026-08-19 03:37 639227073771748493
15 ms 5.104.107.188
11 2026-08-19 03:20 639227063977347614
48 ms 5.104.107.188
10 2026-08-19 03:04 639227054253519024
7 ms 5.104.107.188
9 2026-08-19 02:48 639227044381963886
13 ms 5.104.107.188
8 2026-08-19 02:31 639227034441085514
18 ms 5.104.107.188
7 2026-08-19 01:39 639227003126489968
2047 ms 5.104.107.188
6 2026-08-19 01:23 639226993456311614
14 ms 5.104.107.188
5 2026-08-19 01:07 639226983847312345
26 ms 5.104.107.188
4 2026-08-19 00:51 639226974357874853
2018 ms 5.104.107.188
3 2026-08-19 00:35 639226964670484721
12 ms 5.104.107.188
2 2026-08-19 00:19 639226954857899696
17 ms 5.104.107.188
1 2026-08-19 00:02 639226945091603488
2039 ms 5.104.107.188