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 2026-08-23. For this date, NameServerHistory found 75 DNS check records, 74 successful responses, 1 failed responses, and 312 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

75

Historical checks stored for this nameserver on selected date

Average Latency

312 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-23 23:51

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

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 sir1.pb-servers.com

Showing DNS history for 2026-08-23 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 2026-08-23 23:51 639231254406598736
2 ms 87.107.7.79
74 2026-08-23 23:35 639231244697865594
141 ms 87.107.7.79
73 2026-08-23 23:19 639231234893504693
174 ms 87.107.7.79
72 2026-08-23 23:02 639231225024549139
3 ms 87.107.7.79
71 2026-08-23 22:46 639231214931957622
161 ms 87.107.7.79
70 2026-08-23 22:29 639231204962010549
4 ms 87.107.7.79
69 2026-08-23 22:12 639231195170138463
172 ms 87.107.7.79
68 2026-08-23 21:56 639231185235020577
5 ms 87.107.7.79
67 2026-08-23 21:40 639231175558690075
160 ms 87.107.7.79
66 2026-08-23 21:23 639231165610444012
99 ms 87.107.7.79
65 2026-08-23 20:30 639231133806425363
123 ms 87.107.7.79
64 2026-08-23 20:14 639231124203758023
94 ms 87.107.7.79
63 2026-08-23 19:58 639231114428262706
169 ms 87.107.7.79
62 2026-08-23 19:42 639231104662480065
86 ms 87.107.7.79
61 2026-08-23 19:25 639231094840372018
102 ms 87.107.7.79
60 2026-08-23 19:09 639231085024583224
190 ms 87.107.7.79
59 2026-08-23 18:53 639231075257417427
2105 ms 87.107.7.79
58 2026-08-23 18:36 639231065516009503
144 ms 87.107.7.79
57 2026-08-23 18:20 639231055805348837
171 ms 87.107.7.79
56 2026-08-23 18:04 639231045980373765
2141 ms 87.107.7.79
55 2026-08-23 17:47 639231035984577527
173 ms 87.107.7.79
54 2026-08-23 17:30 639231025928115303
2014 ms 87.107.7.79
53 2026-08-23 16:38 639230994250157583
198 ms 87.107.7.79
52 2026-08-23 16:21 639230984476411369
27 ms 87.107.7.79
51 2026-08-23 16:05 639230974838373450
129 ms 87.107.7.79
50 2026-08-23 15:49 639230965244277645
181 ms 87.107.7.79
49 2026-08-23 15:33 639230955522101820
27 ms 87.107.7.79
48 2026-08-23 15:17 639230945754521603
2125 ms 87.107.7.79
47 2026-08-23 15:00 639230935852040504
188 ms 87.107.7.79
46 2026-08-23 14:44 639230926222061048
155 ms 87.107.7.79
45 2026-08-23 14:28 639230916449726907
199 ms 87.107.7.79
44 2026-08-23 14:12 639230906595053086
2199 ms 87.107.7.79
43 2026-08-23 13:55 639230896680429441
95 ms 87.107.7.79
42 2026-08-23 13:38 639230886630210965
184 ms 87.107.7.79
41 2026-08-23 12:46 639230855430405719
181 ms 87.107.7.79
40 2026-08-23 12:30 639230845707499136
42 ms 87.107.7.79
39 2026-08-23 12:14 639230836186805419
125 ms 87.107.7.79
38 2026-08-23 11:58 639230826493828316
211 ms 87.107.7.79
37 2026-08-23 11:42 639230816817882996
31 ms 87.107.7.79
36 2026-08-23 11:25 639230806933854189
164 ms 87.107.7.79
35 2026-08-23 11:09 639230797120243854
179 ms 87.107.7.79
34 2026-08-23 10:53 639230787310272840
10 ms 87.107.7.79
33 2026-08-23 10:36 639230777600173142
143 ms 87.107.7.79
32 2026-08-23 10:20 639230767665024593
180 ms 87.107.7.79
31 2026-08-23 10:03 639230757720962293
188 ms 87.107.7.79
30 2026-08-23 09:47 639230747722189784
12 ms 87.107.7.79
29 2026-08-23 08:54 639230716313923480
184 ms 87.107.7.79
28 2026-08-23 08:38 639230706813835990
447 ms 87.107.7.79
27 2026-08-23 08:22 639230696871062203
147 ms 87.107.7.79
26 2026-08-23 08:06 639230687142781616
181 ms 87.107.7.79
25 2026-08-23 07:50 639230677432142227
137 ms 87.107.7.79
24 2026-08-23 07:34 639230667686258061
188 ms 87.107.7.79
23 2026-08-23 07:17 639230658039243685
185 ms 87.107.7.79
22 2026-08-23 07:01 639230648468473803
8 ms 87.107.7.79
21 2026-08-23 06:45 639230638829658294
181 ms 87.107.7.79
20 2026-08-23 06:29 639230629247017617
117 ms 87.107.7.79
19 2026-08-23 06:13 639230619625318239
165 ms 87.107.7.79
18 2026-08-23 05:57 639230609697630264
14 ms 87.107.7.79
17 2026-08-23 05:05 639230578570131864
190 ms 87.107.7.79
16 2026-08-23 04:49 639230568958963168
202 ms 87.107.7.79
15 2026-08-23 04:33 639230559287611211
122 ms 87.107.7.79
14 2026-08-23 04:16 639230549524312030
8 ms 87.107.7.79
13 2026-08-23 04:00 639230539739801669
134 ms 87.107.7.79
12 2026-08-23 03:44 639230530084069375
178 ms 87.107.7.79
11 2026-08-23 03:28 639230520362691441
8 ms 87.107.7.79
10 2026-08-23 03:12 639230510677194518
7 ms 87.107.7.79
9 2026-08-23 02:56 639230501156002646
8 ms 87.107.7.79
8 2026-08-23 02:40 639230491502198541
2133 ms 87.107.7.79
7 2026-08-23 02:23 639230481860318494
145 ms 87.107.7.79
6 2026-08-23 02:07 639230471893008575
-
5 2026-08-23 01:14 639230440030877421
81 ms 87.107.7.79
4 2026-08-23 00:58 639230430479725508
2008 ms 87.107.7.79
3 2026-08-23 00:42 639230420875160219
90 ms 87.107.7.79
2 2026-08-23 00:26 639230411240692575
13 ms 87.107.7.79
1 2026-08-23 00:10 639230401550806607
212 ms 87.107.7.79