DNS response history for rdns1.blackbox.com

rdns1.blackbox.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 2026-08-22. For this date, NameServerHistory found 74 DNS check records, 73 successful responses, 1 failed responses, and 164 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 rdns1.blackbox.com.
Records on Selected Date

74

Historical checks stored for this nameserver on selected date

Average Latency

164 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-22 23:48

All timestamps shown in UTC

Latest Resolved IP on Selected Date

204.89.138.10

Most recently resolved hosting IP on selected date

Successful Responses

73

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 rdns1.blackbox.com

Showing DNS history for 2026-08-22 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
74 2026-08-22 23:48 639230391807229016
32 ms 204.89.138.10
73 2026-08-22 23:32 639230382051619327
38 ms 204.89.138.10
72 2026-08-22 23:15 639230372323353529
38 ms 204.89.138.10
71 2026-08-22 22:59 639230362586451064
8 ms 204.89.138.10
70 2026-08-22 22:43 639230352793666303
32 ms 204.89.138.10
69 2026-08-22 22:26 639230342775737758
34 ms 204.89.138.10
68 2026-08-22 22:09 639230332639939561
85 ms 204.89.138.10
67 2026-08-22 21:16 639230301014190104
32 ms 204.89.138.10
66 2026-08-22 21:00 639230291048161498
24 ms 204.89.138.10
65 2026-08-22 20:43 639230280894353664
2021 ms 204.89.138.10
64 2026-08-22 20:26 639230270699419073
28 ms 204.89.138.10
63 2026-08-22 20:08 639230260248163050
37 ms 204.89.138.10
62 2026-08-22 19:52 639230250122494282
10 ms 204.89.138.10
61 2026-08-22 19:35 639230239972935046
102 ms 204.89.138.10
60 2026-08-22 19:18 639230229963262464
36 ms 204.89.138.10
59 2026-08-22 19:01 639230220033804658
26 ms 204.89.138.10
58 2026-08-22 18:45 639230209891107289
5 ms 204.89.138.10
57 2026-08-22 18:27 639230199630298717
11 ms 204.89.138.10
56 2026-08-22 18:10 639230189301984150
21 ms 204.89.138.10
55 2026-08-22 17:17 639230157138468804
6 ms 204.89.138.10
54 2026-08-22 17:00 639230146987869495
15 ms 204.89.138.10
53 2026-08-22 16:43 639230136768638516
5 ms 204.89.138.10
52 2026-08-22 16:26 639230126735907877
32 ms 204.89.138.10
51 2026-08-22 16:09 639230116551187768
8 ms 204.89.138.10
50 2026-08-22 15:52 639230106335615913
44 ms 204.89.138.10
49 2026-08-22 15:35 639230096177758176
50 ms 204.89.138.10
48 2026-08-22 15:18 639230086185999993
33 ms 204.89.138.10
47 2026-08-22 15:02 639230076247854903
48 ms 204.89.138.10
46 2026-08-22 14:45 639230066076077530
39 ms 204.89.138.10
45 2026-08-22 14:28 639230055738197328
54 ms 204.89.138.10
44 2026-08-22 14:10 639230045411225521
14 ms 204.89.138.10
43 2026-08-22 13:16 639230013046000470
5 ms 204.89.138.10
42 2026-08-22 13:00 639230003090037878
45 ms 204.89.138.10
41 2026-08-22 12:43 639229993008259475
29 ms 204.89.138.10
40 2026-08-22 12:26 639229982909449470
80 ms 204.89.138.10
39 2026-08-22 12:10 639229973035502212
50 ms 204.89.138.10
38 2026-08-22 11:53 639229963064296145
103 ms 204.89.138.10
37 2026-08-22 11:36 639229952996162143
37 ms 204.89.138.10
36 2026-08-22 11:20 639229943051949195
15 ms 204.89.138.10
35 2026-08-22 11:03 639229932919214934
9 ms 204.89.138.10
34 2026-08-22 10:46 639229922745889838
10 ms 204.89.138.10
33 2026-08-22 10:29 639229912587214796
8 ms 204.89.138.10
32 2026-08-22 10:12 639229902240004454
39 ms 204.89.138.10
31 2026-08-22 09:19 639229870800501662
34 ms 204.89.138.10
30 2026-08-22 09:03 639229861058384956
5 ms 204.89.138.10
29 2026-08-22 08:47 639229851158592604
9 ms 204.89.138.10
28 2026-08-22 08:31 639229841475569629
24 ms 204.89.138.10
27 2026-08-22 08:15 639229831887658471
15 ms 204.89.138.10
26 2026-08-22 07:58 639229822043670346
31 ms 204.89.138.10
25 2026-08-22 07:42 639229812327913936
-
24 2026-08-22 07:26 639229802629488686
7 ms 204.89.138.10
23 2026-08-22 07:10 639229793051447309
4 ms 204.89.138.10
22 2026-08-22 06:53 639229783303531961
3 ms 204.89.138.10
21 2026-08-22 06:37 639229773458051942
7 ms 204.89.138.10
20 2026-08-22 06:20 639229763373848056
10 ms 204.89.138.10
19 2026-08-22 05:28 639229732140622809
2034 ms 204.89.138.10
18 2026-08-22 05:13 639229722699695967
9 ms 204.89.138.10
17 2026-08-22 04:57 639229713097498075
10 ms 204.89.138.10
16 2026-08-22 04:41 639229703543969637
41 ms 204.89.138.10
15 2026-08-22 04:25 639229693970392873
2016 ms 204.89.138.10
14 2026-08-22 04:09 639229684277329469
9 ms 204.89.138.10
13 2026-08-22 03:52 639229674501596661
20 ms 204.89.138.10
12 2026-08-22 03:37 639229665064441147
38 ms 204.89.138.10
11 2026-08-22 03:20 639229655507536872
7 ms 204.89.138.10
10 2026-08-22 03:04 639229645849603111
21 ms 204.89.138.10
9 2026-08-22 02:48 639229636090497453
39 ms 204.89.138.10
8 2026-08-22 02:31 639229625978544281
7 ms 204.89.138.10
7 2026-08-22 01:39 639229594644662176
15 ms 204.89.138.10
6 2026-08-22 01:23 639229585214633065
2028 ms 204.89.138.10
5 2026-08-22 01:07 639229575581042175
21 ms 204.89.138.10
4 2026-08-22 00:51 639229565912268962
20 ms 204.89.138.10
3 2026-08-22 00:35 639229556237813203
18 ms 204.89.138.10
2 2026-08-22 00:19 639229546625802518
2047 ms 204.89.138.10
1 2026-08-22 00:03 639229537172016621
9 ms 204.89.138.10