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 2026-08-20. For this date, NameServerHistory found 57 DNS check records, 55 successful responses, 2 failed responses, and 307 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

57

Historical checks stored for this nameserver on selected date

Average Latency

307 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-20 23:13

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

55

Checks that returned a measurable response

Failed Responses

2

Checks with no response or no returned latency

Failure Rate

4%

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 2026-08-20 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
57 2026-08-20 23:13 639228639850033448
127 ms 87.107.7.79
56 2026-08-20 22:57 639228630204271870
174 ms 87.107.7.79
55 2026-08-20 22:41 639228620295091135
28 ms 87.107.7.79
54 2026-08-20 22:24 639228610298336915
188 ms 87.107.7.79
53 2026-08-20 21:32 639228578917047616
133 ms 87.107.7.79
52 2026-08-20 21:15 639228569046445709
4 ms 87.107.7.79
51 2026-08-20 20:59 639228558946830986
302 ms 87.107.7.79
50 2026-08-20 20:42 639228548977359217
173 ms 87.107.7.79
49 2026-08-20 19:50 639228517494157668
27 ms 87.107.7.79
48 2026-08-20 19:33 639228507374116892
178 ms 87.107.7.79
47 2026-08-20 19:16 639228497315154893
2193 ms 87.107.7.79
46 2026-08-20 18:59 639228487287648341
165 ms 87.107.7.79
45 2026-08-20 18:07 639228455828123788
67 ms 87.107.7.79
44 2026-08-20 17:50 639228445900082244
7 ms 87.107.7.79
43 2026-08-20 17:33 639228435866352323
290 ms 87.107.7.79
42 2026-08-20 17:17 639228425802273151
173 ms 87.107.7.79
41 2026-08-20 16:23 639228393616324230
369 ms 87.107.7.79
40 2026-08-20 16:06 639228383590408693
2008 ms 87.107.7.79
39 2026-08-20 15:50 639228373471467474
11 ms 87.107.7.79
38 2026-08-20 15:33 639228363426647311
97 ms 87.107.7.79
37 2026-08-20 14:40 639228331681701910
99 ms 87.107.7.79
36 2026-08-20 14:23 639228321714746824
142 ms 87.107.7.79
35 2026-08-20 14:07 639228311652090262
377 ms 87.107.7.79
34 2026-08-20 13:50 639228301670088587
70 ms 87.107.7.79
33 2026-08-20 12:57 639228269987976710
122 ms 87.107.7.79
32 2026-08-20 12:40 639228260009452308
116 ms 87.107.7.79
31 2026-08-20 12:23 639228249661740894
2097 ms 87.107.7.79
30 2026-08-20 12:06 639228239552680346
8 ms 87.107.7.79
29 2026-08-20 11:13 639228207667580819
134 ms 87.107.7.79
28 2026-08-20 10:56 639228197494011560
3 ms 87.107.7.79
27 2026-08-20 10:39 639228187497039939
187 ms 87.107.7.79
26 2026-08-20 10:23 639228177408432646
3 ms 87.107.7.79
25 2026-08-20 09:31 639228146356166262
91 ms 87.107.7.79
24 2026-08-20 09:15 639228136541505712
89 ms 87.107.7.79
23 2026-08-20 08:58 639228126519136598
116 ms 87.107.7.79
22 2026-08-20 08:41 639228116537148885
94 ms 87.107.7.79
21 2026-08-20 07:49 639228085320764351
35 ms 87.107.7.79
20 2026-08-20 07:33 639228075444604839
202 ms 87.107.7.79
19 2026-08-20 07:16 639228065615498985
88 ms 87.107.7.79
18 2026-08-20 07:00 639228055675321422
132 ms 87.107.7.79
17 2026-08-20 06:08 639228024230839396
2187 ms 87.107.7.79
16 2026-08-20 05:51 639228014720406505
170 ms 87.107.7.79
15 2026-08-20 05:35 639228004930827030
159 ms 87.107.7.79
14 2026-08-20 05:19 639227995103340154
41 ms 87.107.7.79
13 2026-08-20 04:27 639227963811374894
2008 ms 87.107.7.79
12 2026-08-20 04:11 639227954132571365
11 ms 87.107.7.79
11 2026-08-20 03:55 639227944541208342
264 ms 87.107.7.79
10 2026-08-20 03:38 639227934657213484
21 ms 87.107.7.79
9 2026-08-20 02:46 639227903628145469
236 ms 87.107.7.79
8 2026-08-20 02:30 639227893995483475
137 ms 87.107.7.79
7 2026-08-20 02:14 639227884280244209
-
6 2026-08-20 01:58 639227874371147132
98 ms 87.107.7.79
5 2026-08-20 01:06 639227843224256432
145 ms 87.107.7.79
4 2026-08-20 00:50 639227833720403506
170 ms 87.107.7.79
3 2026-08-20 00:34 639227824170728278
-
2 2026-08-20 00:18 639227814865867570
164 ms 87.107.7.79
1 2026-08-20 00:03 639227805445376839
182 ms 87.107.7.79