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 2026-08-19. For this date, NameServerHistory found 74 DNS check records, 72 successful responses, 2 failed responses, and 364 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

74

Historical checks stored for this nameserver on selected date

Average Latency

364 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-19 23:47

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

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 2026-08-19 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 2026-08-19 23:47 639227795899225951
259 ms 87.107.7.79
73 2026-08-19 23:31 639227786351762008
141 ms 87.107.7.79
72 2026-08-19 23:15 639227776640591733
185 ms 87.107.7.79
71 2026-08-19 22:59 639227767128841282
178 ms 87.107.7.79
70 2026-08-19 22:43 639227757477304711
226 ms 87.107.7.79
69 2026-08-19 22:26 639227747572098014
152 ms 87.107.7.79
68 2026-08-19 22:10 639227737588613113
8 ms 87.107.7.79
67 2026-08-19 21:17 639227706134603955
4182 ms 87.107.7.79
66 2026-08-19 21:01 639227696589027396
307 ms 87.107.7.79
65 2026-08-19 20:46 639227687097707639
131 ms 87.107.7.79
64 2026-08-19 20:30 639227677474464487
163 ms 87.107.7.79
63 2026-08-19 20:13 639227667767441118
30 ms 87.107.7.79
62 2026-08-19 19:57 639227657984833832
217 ms 87.107.7.79
61 2026-08-19 19:40 639227648079992640
35 ms 87.107.7.79
60 2026-08-19 19:24 639227638125048441
187 ms 87.107.7.79
59 2026-08-19 19:07 639227628211392142
156 ms 87.107.7.79
58 2026-08-19 18:51 639227618261696275
31 ms 87.107.7.79
57 2026-08-19 18:34 639227608366233645
215 ms 87.107.7.79
56 2026-08-19 18:18 639227598301787588
195 ms 87.107.7.79
55 2026-08-19 17:24 639227566241010716
192 ms 87.107.7.79
54 2026-08-19 17:08 639227556454538959
2008 ms 87.107.7.79
53 2026-08-19 16:51 639227546640305542
195 ms 87.107.7.79
52 2026-08-19 16:35 639227536965466472
37 ms 87.107.7.79
51 2026-08-19 16:19 639227527048658280
168 ms 87.107.7.79
50 2026-08-19 16:03 639227517386634438
193 ms 87.107.7.79
49 2026-08-19 15:46 639227507459551637
194 ms 87.107.7.79
48 2026-08-19 15:30 639227497515595277
179 ms 87.107.7.79
47 2026-08-19 15:13 639227487441798036
43 ms 87.107.7.79
46 2026-08-19 14:56 639227477445551863
165 ms 87.107.7.79
45 2026-08-19 14:39 639227467297067891
92 ms 87.107.7.79
44 2026-08-19 14:22 639227457057795635
13 ms 87.107.7.79
43 2026-08-19 13:29 639227425244777397
16 ms 87.107.7.79
42 2026-08-19 13:13 639227415422116485
237 ms 87.107.7.79
41 2026-08-19 12:56 639227405307256053
-
40 2026-08-19 12:39 639227395396602630
8 ms 87.107.7.79
39 2026-08-19 12:23 639227385510363611
197 ms 87.107.7.79
38 2026-08-19 12:06 639227375508324850
40 ms 87.107.7.79
37 2026-08-19 11:49 639227365326611906
190 ms 87.107.7.79
36 2026-08-19 11:33 639227355360014208
194 ms 87.107.7.79
35 2026-08-19 11:16 639227345036782165
155 ms 87.107.7.79
34 2026-08-19 10:59 639227334992964533
131 ms 87.107.7.79
33 2026-08-19 10:42 639227324986605572
191 ms 87.107.7.79
32 2026-08-19 10:25 639227314928414539
185 ms 87.107.7.79
31 2026-08-19 09:32 639227283029182134
94 ms 87.107.7.79
30 2026-08-19 09:16 639227273294779350
42 ms 87.107.7.79
29 2026-08-19 08:59 639227263525231313
180 ms 87.107.7.79
28 2026-08-19 08:43 639227253578313363
179 ms 87.107.7.79
27 2026-08-19 08:26 639227243649973322
25 ms 87.107.7.79
26 2026-08-19 08:10 639227233581059317
207 ms 87.107.7.79
25 2026-08-19 07:53 639227223667352067
268 ms 87.107.7.79
24 2026-08-19 07:37 639227213714837066
217 ms 87.107.7.79
23 2026-08-19 07:20 639227203701208496
215 ms 87.107.7.79
22 2026-08-19 07:03 639227193643202179
181 ms 87.107.7.79
21 2026-08-19 06:46 639227183584431597
2158 ms 87.107.7.79
20 2026-08-19 06:29 639227173347403088
2185 ms 87.107.7.79
19 2026-08-19 05:36 639227141523007601
169 ms 87.107.7.79
18 2026-08-19 05:20 639227131785931574
216 ms 87.107.7.79
17 2026-08-19 05:04 639227122176475389
107 ms 87.107.7.79
16 2026-08-19 04:48 639227112668934596
2120 ms 87.107.7.79
15 2026-08-19 04:32 639227102773292788
2008 ms 87.107.7.79
14 2026-08-19 04:15 639227093141136930
269 ms 87.107.7.79
13 2026-08-19 03:59 639227083449420147
-
12 2026-08-19 03:43 639227073771748493
88 ms 87.107.7.79
11 2026-08-19 03:27 639227063977347614
132 ms 87.107.7.79
10 2026-08-19 03:11 639227054253519024
126 ms 87.107.7.79
9 2026-08-19 02:54 639227044381963886
200 ms 87.107.7.79
8 2026-08-19 02:38 639227034441085514
65 ms 87.107.7.79
7 2026-08-19 01:46 639227003126489968
2010 ms 87.107.7.79
6 2026-08-19 01:30 639226993456311614
130 ms 87.107.7.79
5 2026-08-19 01:14 639226983847312345
164 ms 87.107.7.79
4 2026-08-19 00:58 639226974357874853
92 ms 87.107.7.79
3 2026-08-19 00:42 639226964670484721
156 ms 87.107.7.79
2 2026-08-19 00:25 639226954857899696
208 ms 87.107.7.79
1 2026-08-19 00:09 639226945091603488
8 ms 87.107.7.79