DNS response history for sir1.pb-servers.com

sir1.pb-servers.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 73 DNS check records, 72 successful responses, 1 failed responses, and 191 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 sir1.pb-servers.com.
Records on Selected Date

73

Historical checks stored for this nameserver on selected date

Average Latency

191 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-21 23:53

All timestamps shown in UTC

Latest Resolved IP on Selected Date

87.107.7.79

Most recently resolved hosting IP on selected date

Successful Responses

72

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 sir1.pb-servers.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
73 2026-08-21 23:53 639229527598660841
157 ms 87.107.7.79
72 2026-08-21 23:37 639229517954323214
8 ms 87.107.7.79
71 2026-08-21 23:21 639229508269999021
166 ms 87.107.7.79
70 2026-08-21 23:05 639229498559060171
196 ms 87.107.7.79
69 2026-08-21 22:48 639229488519347586
182 ms 87.107.7.79
68 2026-08-21 21:55 639229456606578934
6 ms 87.107.7.79
67 2026-08-21 21:39 639229446985772499
106 ms 87.107.7.79
66 2026-08-21 21:23 639229437367313098
143 ms 87.107.7.79
65 2026-08-21 21:07 639229427923950391
184 ms 87.107.7.79
64 2026-08-21 20:51 639229418168588854
191 ms 87.107.7.79
63 2026-08-21 20:34 639229408345678334
3 ms 87.107.7.79
62 2026-08-21 20:18 639229398616354648
87 ms 87.107.7.79
61 2026-08-21 20:02 639229388634592323
9 ms 87.107.7.79
60 2026-08-21 19:45 639229378792837692
3 ms 87.107.7.79
59 2026-08-21 19:29 639229369154682311
3 ms 87.107.7.79
58 2026-08-21 19:12 639229359248017926
172 ms 87.107.7.79
57 2026-08-21 18:56 639229349124294642
2279 ms 87.107.7.79
56 2026-08-21 18:03 639229317791715692
86 ms 87.107.7.79
55 2026-08-21 17:47 639229308115194575
174 ms 87.107.7.79
54 2026-08-21 17:31 639229298320320558
7 ms 87.107.7.79
53 2026-08-21 17:15 639229288674863221
18 ms 87.107.7.79
52 2026-08-21 16:59 639229278983677079
116 ms 87.107.7.79
51 2026-08-21 16:42 639229269405517175
179 ms 87.107.7.79
50 2026-08-21 16:27 639229259594798244
128 ms 87.107.7.79
49 2026-08-21 16:10 639229249736681188
128 ms 87.107.7.79
48 2026-08-21 15:53 639229239699417787
2087 ms 87.107.7.79
47 2026-08-21 15:37 639229229621964033
16 ms 87.107.7.79
46 2026-08-21 15:20 639229219567270965
115 ms 87.107.7.79
45 2026-08-21 15:03 639229209406666856
183 ms 87.107.7.79
44 2026-08-21 14:10 639229177815876178
187 ms 87.107.7.79
43 2026-08-21 13:54 639229168243572685
135 ms 87.107.7.79
42 2026-08-21 13:38 639229158599856475
4 ms 87.107.7.79
41 2026-08-21 13:22 639229148998940902
91 ms 87.107.7.79
40 2026-08-21 13:06 639229139276923594
103 ms 87.107.7.79
39 2026-08-21 12:50 639229129709912394
194 ms 87.107.7.79
38 2026-08-21 12:34 639229119801488500
5 ms 87.107.7.79
37 2026-08-21 12:17 639229110135262458
-
36 2026-08-21 12:01 639229100336051392
4 ms 87.107.7.79
35 2026-08-21 11:45 639229090641415626
107 ms 87.107.7.79
34 2026-08-21 11:28 639229080702683947
179 ms 87.107.7.79
33 2026-08-21 11:12 639229070601456699
216 ms 87.107.7.79
32 2026-08-21 10:19 639229038947447232
193 ms 87.107.7.79
31 2026-08-21 10:03 639229029268708773
225 ms 87.107.7.79
30 2026-08-21 09:46 639229019647910603
13 ms 87.107.7.79
29 2026-08-21 09:30 639229009983843738
8 ms 87.107.7.79
28 2026-08-21 09:14 639229000203331882
119 ms 87.107.7.79
27 2026-08-21 08:58 639228990302335999
94 ms 87.107.7.79
26 2026-08-21 08:41 639228980567740722
100 ms 87.107.7.79
25 2026-08-21 08:25 639228970762445174
151 ms 87.107.7.79
24 2026-08-21 08:09 639228961065054445
9 ms 87.107.7.79
23 2026-08-21 07:53 639228951224649885
93 ms 87.107.7.79
22 2026-08-21 07:36 639228941303864592
87 ms 87.107.7.79
21 2026-08-21 07:19 639228931191328583
104 ms 87.107.7.79
20 2026-08-21 06:26 639228899518173317
3 ms 87.107.7.79
19 2026-08-21 06:10 639228889785027669
9 ms 87.107.7.79
18 2026-08-21 05:54 639228880106330161
178 ms 87.107.7.79
17 2026-08-21 05:38 639228870316184091
91 ms 87.107.7.79
16 2026-08-21 05:22 639228860695366512
169 ms 87.107.7.79
15 2026-08-21 05:06 639228851027209500
152 ms 87.107.7.79
14 2026-08-21 04:49 639228841479265462
10 ms 87.107.7.79
13 2026-08-21 04:33 639228831752962260
199 ms 87.107.7.79
12 2026-08-21 04:17 639228821953295483
2010 ms 87.107.7.79
11 2026-08-21 04:01 639228812227429953
86 ms 87.107.7.79
10 2026-08-21 03:44 639228802476107538
94 ms 87.107.7.79
9 2026-08-21 03:28 639228792525492032
5 ms 87.107.7.79
8 2026-08-21 02:36 639228761131421385
220 ms 87.107.7.79
7 2026-08-21 02:20 639228751571206692
154 ms 87.107.7.79
6 2026-08-21 02:03 639228741705571019
179 ms 87.107.7.79
5 2026-08-21 01:47 639228731642208228
85 ms 87.107.7.79
4 2026-08-21 00:54 639228700387002072
194 ms 87.107.7.79
3 2026-08-21 00:38 639228690742014433
139 ms 87.107.7.79
2 2026-08-21 00:22 639228680877937122
89 ms 87.107.7.79
1 2026-08-21 00:05 639228670775860800
116 ms 87.107.7.79