DNS response history for ns2.libreriasiglo21.com

ns2.libreriasiglo21.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 2026-08-24. For this date, NameServerHistory found 51 DNS check records, 51 successful responses, 0 failed responses, and 472 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 ns2.libreriasiglo21.com.
Records on Selected Date

51

Historical checks stored for this nameserver on selected date

Average Latency

472 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-24 21:48

All timestamps shown in UTC

Latest Resolved IP on Selected Date

146.255.100.187

Most recently resolved hosting IP on selected date

Successful Responses

51

Checks that returned a measurable response

Failed Responses

0

Checks with no response or no returned latency

Failure Rate

0%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for ns2.libreriasiglo21.com

Showing DNS history for 2026-08-24 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
51 2026-08-24 21:48 639232046895282144
4050 ms 146.255.100.187
50 2026-08-24 20:54 639232014356623395
51 ms 146.255.100.187
49 2026-08-24 20:37 639232004177831322
49 ms 146.255.100.187
48 2026-08-24 20:20 639231993997863976
69 ms 146.255.100.187
47 2026-08-24 20:03 639231983967363696
111 ms 146.255.100.187
46 2026-08-24 19:11 639231952257842845
211 ms 146.255.100.187
45 2026-08-24 18:54 639231942277816756
2150 ms 146.255.100.187
44 2026-08-24 18:37 639231932094180724
139 ms 146.255.100.187
43 2026-08-24 18:20 639231922041034838
152 ms 146.255.100.187
42 2026-08-24 17:27 639231890488117536
2081 ms 146.255.100.187
41 2026-08-24 17:11 639231880574255543
21 ms 146.255.100.187
40 2026-08-24 16:54 639231870418029045
91 ms 146.255.100.187
39 2026-08-24 16:37 639231860258429562
131 ms 146.255.100.187
38 2026-08-24 15:44 639231828211839931
61 ms 146.255.100.187
37 2026-08-24 15:27 639231818080917481
97 ms 146.255.100.187
36 2026-08-24 15:10 639231807961539652
19 ms 146.255.100.187
35 2026-08-24 14:53 639231797631669865
2069 ms 146.255.100.187
34 2026-08-24 14:00 639231765923559455
12 ms 146.255.100.187
33 2026-08-24 13:43 639231755868832964
81 ms 146.255.100.187
32 2026-08-24 13:26 639231745628278877
84 ms 146.255.100.187
31 2026-08-24 13:09 639231735407682062
55 ms 146.255.100.187
30 2026-08-24 12:16 639231703815441688
9 ms 146.255.100.187
29 2026-08-24 12:00 639231693747052549
49 ms 146.255.100.187
28 2026-08-24 11:43 639231683712487276
43 ms 146.255.100.187
27 2026-08-24 11:26 639231673513573868
39 ms 146.255.100.187
26 2026-08-24 10:33 639231641791249939
94 ms 146.255.100.187
25 2026-08-24 10:16 639231631866211033
2064 ms 146.255.100.187
24 2026-08-24 10:00 639231621644955316
128 ms 146.255.100.187
23 2026-08-24 09:43 639231611478799259
90 ms 146.255.100.187
22 2026-08-24 08:50 639231579923718211
12 ms 146.255.100.187
21 2026-08-24 08:33 639231569810702936
86 ms 146.255.100.187
20 2026-08-24 08:16 639231559762411619
75 ms 146.255.100.187
19 2026-08-24 07:59 639231549663595407
2037 ms 146.255.100.187
18 2026-08-24 07:07 639231518076817246
92 ms 146.255.100.187
17 2026-08-24 06:50 639231508078650885
171 ms 146.255.100.187
16 2026-08-24 06:34 639231498210697093
98 ms 146.255.100.187
15 2026-08-24 06:17 639231488109699360
57 ms 146.255.100.187
14 2026-08-24 05:25 639231456772510692
69 ms 146.255.100.187
13 2026-08-24 05:09 639231447084631185
2045 ms 146.255.100.187
12 2026-08-24 04:52 639231437208519473
67 ms 146.255.100.187
11 2026-08-24 04:35 639231427209627490
2048 ms 146.255.100.187
10 2026-08-24 03:43 639231395791246644
74 ms 146.255.100.187
9 2026-08-24 03:27 639231386075551458
137 ms 146.255.100.187
8 2026-08-24 03:11 639231376208713791
93 ms 146.255.100.187
7 2026-08-24 02:54 639231366170589276
66 ms 146.255.100.187
6 2026-08-24 02:01 639231334732159368
92 ms 146.255.100.187
5 2026-08-24 01:45 639231325035670078
106 ms 146.255.100.187
4 2026-08-24 01:29 639231315132253837
2073 ms 146.255.100.187
3 2026-08-24 01:12 639231305014280808
89 ms 146.255.100.187
2 2026-08-24 00:20 639231273779380675
103 ms 146.255.100.187
1 2026-08-24 00:04 639231264180839154
57 ms 146.255.100.187