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 2026-08-18. For this date, NameServerHistory found 75 DNS check records, 73 successful responses, 2 failed responses, and 280 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

280 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-18 23:52

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

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 sir1.pb-servers.com

Showing DNS history for 2026-08-18 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 2026-08-18 23:52 639226935204800669
8 ms 87.107.7.79
74 2026-08-18 23:36 639226925298919497
219 ms 87.107.7.79
73 2026-08-18 23:19 639226915487885053
155 ms 87.107.7.79
72 2026-08-18 23:03 639226905465760034
95 ms 87.107.7.79
71 2026-08-18 22:46 639226895378104692
233 ms 87.107.7.79
70 2026-08-18 21:53 639226863374232622
2095 ms 87.107.7.79
69 2026-08-18 21:37 639226853698516058
236 ms 87.107.7.79
68 2026-08-18 21:20 639226843797360601
8 ms 87.107.7.79
67 2026-08-18 21:04 639226834046588155
258 ms 87.107.7.79
66 2026-08-18 20:47 639226824234488533
90 ms 87.107.7.79
65 2026-08-18 20:31 639226814549928621
139 ms 87.107.7.79
64 2026-08-18 20:15 639226804721432353
186 ms 87.107.7.79
63 2026-08-18 19:59 639226795048828184
109 ms 87.107.7.79
62 2026-08-18 19:42 639226785202482420
135 ms 87.107.7.79
61 2026-08-18 19:26 639226775309362607
193 ms 87.107.7.79
60 2026-08-18 19:09 639226765406586155
2155 ms 87.107.7.79
59 2026-08-18 18:53 639226755437790519
184 ms 87.107.7.79
58 2026-08-18 18:00 639226723856194457
92 ms 87.107.7.79
57 2026-08-18 17:44 639226714050583422
274 ms 87.107.7.79
56 2026-08-18 17:27 639226704236499724
166 ms 87.107.7.79
55 2026-08-18 17:11 639226694184520163
194 ms 87.107.7.79
54 2026-08-18 16:54 639226684161203477
183 ms 87.107.7.79
53 2026-08-18 16:37 639226674305430109
250 ms 87.107.7.79
52 2026-08-18 16:21 639226664489607984
8 ms 87.107.7.79
51 2026-08-18 16:05 639226654533111667
200 ms 87.107.7.79
50 2026-08-18 15:48 639226644778594725
156 ms 87.107.7.79
49 2026-08-18 15:32 639226634901553621
-
48 2026-08-18 15:15 639226624921864967
88 ms 87.107.7.79
47 2026-08-18 14:59 639226614939419403
9 ms 87.107.7.79
46 2026-08-18 14:05 639226583021074771
87 ms 87.107.7.79
45 2026-08-18 13:49 639226573279933585
178 ms 87.107.7.79
44 2026-08-18 13:33 639226563494036301
185 ms 87.107.7.79
43 2026-08-18 13:16 639226553708216256
139 ms 87.107.7.79
42 2026-08-18 13:00 639226544003734815
33 ms 87.107.7.79
41 2026-08-18 12:44 639226534105733155
11 ms 87.107.7.79
40 2026-08-18 12:27 639226524298118898
92 ms 87.107.7.79
39 2026-08-18 12:11 639226514525195335
203 ms 87.107.7.79
38 2026-08-18 11:55 639226504703635320
124 ms 87.107.7.79
37 2026-08-18 11:38 639226494737271720
237 ms 87.107.7.79
36 2026-08-18 11:22 639226485005027236
2092 ms 87.107.7.79
35 2026-08-18 11:05 639226475133236105
210 ms 87.107.7.79
34 2026-08-18 10:12 639226442975077052
166 ms 87.107.7.79
33 2026-08-18 09:56 639226433317932039
10 ms 87.107.7.79
32 2026-08-18 09:40 639226423688431096
150 ms 87.107.7.79
31 2026-08-18 09:24 639226413998250045
174 ms 87.107.7.79
30 2026-08-18 09:07 639226404284554875
138 ms 87.107.7.79
29 2026-08-18 08:51 639226394637043309
188 ms 87.107.7.79
28 2026-08-18 08:35 639226385052447582
177 ms 87.107.7.79
27 2026-08-18 08:19 639226375506189603
179 ms 87.107.7.79
26 2026-08-18 08:03 639226365690646426
138 ms 87.107.7.79
25 2026-08-18 07:47 639226355771007701
191 ms 87.107.7.79
24 2026-08-18 07:30 639226345946269369
199 ms 87.107.7.79
23 2026-08-18 07:14 639226336241601848
220 ms 87.107.7.79
22 2026-08-18 06:22 639226304950675290
12 ms 87.107.7.79
21 2026-08-18 06:06 639226295324754616
102 ms 87.107.7.79
20 2026-08-18 05:50 639226285824640601
2178 ms 87.107.7.79
19 2026-08-18 05:34 639226276321223917
-
18 2026-08-18 05:18 639226266800200046
179 ms 87.107.7.79
17 2026-08-18 05:02 639226256958066164
125 ms 87.107.7.79
16 2026-08-18 04:46 639226247432364597
187 ms 87.107.7.79
15 2026-08-18 04:30 639226237703388552
204 ms 87.107.7.79
14 2026-08-18 04:14 639226227937569589
164 ms 87.107.7.79
13 2026-08-18 03:57 639226218052465471
95 ms 87.107.7.79
12 2026-08-18 03:41 639226208429623997
138 ms 87.107.7.79
11 2026-08-18 03:25 639226198800675295
181 ms 87.107.7.79
10 2026-08-18 02:33 639226167722042574
7 ms 87.107.7.79
9 2026-08-18 02:17 639226158277924383
180 ms 87.107.7.79
8 2026-08-18 02:02 639226148757810592
202 ms 87.107.7.79
7 2026-08-18 01:46 639226139348611045
2157 ms 87.107.7.79
6 2026-08-18 01:30 639226129823462907
5 ms 87.107.7.79
5 2026-08-18 01:14 639226120218260005
206 ms 87.107.7.79
4 2026-08-18 00:58 639226110875503904
4 ms 87.107.7.79
3 2026-08-18 00:43 639226101376311912
85 ms 87.107.7.79
2 2026-08-18 00:27 639226091924943492
191 ms 87.107.7.79
1 2026-08-18 00:11 639226082133158124
180 ms 87.107.7.79