DNS response history for ns1.rastrex.com

ns1.rastrex.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 83 DNS check records, 82 successful responses, 1 failed responses, and 277 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 ns1.rastrex.com.
Records on Selected Date

83

Historical checks stored for this nameserver on selected date

Average Latency

277 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-24 17:25

All timestamps shown in UTC

Latest Resolved IP on Selected Date

104.21.37.182

Most recently resolved hosting IP on selected date

Successful Responses

82

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 ns1.rastrex.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
83 2026-08-24 17:25 639231890488117536
2023 ms 104.21.37.182
82 2026-08-24 17:25 639231890488117536
2023 ms 172.67.211.161
81 2026-08-24 17:09 639231880574255543
2041 ms 104.21.37.182
80 2026-08-24 17:09 639231880574255543
2041 ms 172.67.211.161
79 2026-08-24 16:52 639231870418029045
13 ms 172.67.211.161
78 2026-08-24 16:52 639231870418029045
13 ms 104.21.37.182
77 2026-08-24 16:35 639231860258429562
20 ms 172.67.211.161
76 2026-08-24 16:35 639231860258429562
20 ms 104.21.37.182
75 2026-08-24 15:42 639231828211839931
23 ms 104.21.37.182
74 2026-08-24 15:42 639231828211839931
23 ms 172.67.211.161
73 2026-08-24 15:25 639231818080917481
19 ms 172.67.211.161
72 2026-08-24 15:25 639231818080917481
19 ms 104.21.37.182
71 2026-08-24 15:08 639231807961539652
36 ms 104.21.37.182
70 2026-08-24 15:08 639231807961539652
36 ms 172.67.211.161
69 2026-08-24 14:51 639231797631669865
2041 ms 172.67.211.161
68 2026-08-24 14:51 639231797631669865
2041 ms 104.21.37.182
67 2026-08-24 13:58 639231765923559455
14 ms 172.67.211.161
66 2026-08-24 13:58 639231765923559455
14 ms 104.21.37.182
65 2026-08-24 13:41 639231755868832964
27 ms 172.67.211.161
64 2026-08-24 13:41 639231755868832964
27 ms 104.21.37.182
63 2026-08-24 13:24 639231745628278877
23 ms 104.21.37.182
62 2026-08-24 13:24 639231745628278877
23 ms 172.67.211.161
61 2026-08-24 13:07 639231735407682062
32 ms 104.21.37.182
60 2026-08-24 13:07 639231735407682062
32 ms 172.67.211.161
59 2026-08-24 12:14 639231703815441688
13 ms 104.21.37.182
58 2026-08-24 12:14 639231703815441688
13 ms 172.67.211.161
57 2026-08-24 11:58 639231693747052549
-
56 2026-08-24 11:41 639231683712487276
16 ms 104.21.37.182
55 2026-08-24 11:41 639231683712487276
16 ms 172.67.211.161
54 2026-08-24 11:24 639231673513573868
36 ms 104.21.37.182
53 2026-08-24 11:24 639231673513573868
36 ms 172.67.211.161
52 2026-08-24 10:31 639231641791249939
53 ms 104.21.37.182
51 2026-08-24 10:31 639231641791249939
53 ms 172.67.211.161
50 2026-08-24 10:14 639231631866211033
36 ms 104.21.37.182
49 2026-08-24 10:14 639231631866211033
36 ms 172.67.211.161
48 2026-08-24 09:57 639231621644955316
77 ms 172.67.211.161
47 2026-08-24 09:57 639231621644955316
77 ms 104.21.37.182
46 2026-08-24 09:40 639231611478799259
17 ms 172.67.211.161
45 2026-08-24 09:40 639231611478799259
17 ms 104.21.37.182
44 2026-08-24 08:48 639231579923718211
39 ms 104.21.37.182
43 2026-08-24 08:48 639231579923718211
39 ms 172.67.211.161
42 2026-08-24 08:31 639231569810702936
2064 ms 104.21.37.182
41 2026-08-24 08:31 639231569810702936
2064 ms 172.67.211.161
40 2026-08-24 08:14 639231559762411619
8 ms 104.21.37.182
39 2026-08-24 08:14 639231559762411619
8 ms 172.67.211.161
38 2026-08-24 07:57 639231549663595407
17 ms 104.21.37.182
37 2026-08-24 07:57 639231549663595407
17 ms 172.67.211.161
36 2026-08-24 07:05 639231518076817246
20 ms 172.67.211.161
35 2026-08-24 07:05 639231518076817246
20 ms 104.21.37.182
34 2026-08-24 06:48 639231508078650885
68 ms 104.21.37.182
33 2026-08-24 06:48 639231508078650885
68 ms 172.67.211.161
32 2026-08-24 06:32 639231498210697093
115 ms 104.21.37.182
31 2026-08-24 06:32 639231498210697093
115 ms 172.67.211.161
30 2026-08-24 06:15 639231488109699360
76 ms 104.21.37.182
29 2026-08-24 06:15 639231488109699360
76 ms 172.67.211.161
28 2026-08-24 05:23 639231456772510692
28 ms 172.67.211.161
27 2026-08-24 05:23 639231456772510692
28 ms 104.21.37.182
26 2026-08-24 05:06 639231447084631185
13 ms 104.21.37.182
25 2026-08-24 05:06 639231447084631185
13 ms 172.67.211.161
24 2026-08-24 04:50 639231437208519473
28 ms 104.21.37.182
23 2026-08-24 04:50 639231437208519473
28 ms 172.67.211.161
22 2026-08-24 04:33 639231427209627490
17 ms 104.21.37.182
21 2026-08-24 04:33 639231427209627490
17 ms 172.67.211.161
20 2026-08-24 03:41 639231395791246644
14 ms 172.67.211.161
19 2026-08-24 03:41 639231395791246644
14 ms 104.21.37.182
18 2026-08-24 03:25 639231386075551458
2044 ms 104.21.37.182
17 2026-08-24 03:25 639231386075551458
2044 ms 172.67.211.161
16 2026-08-24 03:08 639231376208713791
8 ms 172.67.211.161
15 2026-08-24 03:08 639231376208713791
8 ms 104.21.37.182
14 2026-08-24 02:52 639231366170589276
13 ms 104.21.37.182
13 2026-08-24 02:52 639231366170589276
13 ms 172.67.211.161
12 2026-08-24 01:59 639231334732159368
35 ms 104.21.37.182
11 2026-08-24 01:59 639231334732159368
35 ms 172.67.211.161
10 2026-08-24 01:43 639231325035670078
16 ms 172.67.211.161
9 2026-08-24 01:43 639231325035670078
16 ms 104.21.37.182
8 2026-08-24 01:26 639231315132253837
112 ms 104.21.37.182
7 2026-08-24 01:26 639231315132253837
112 ms 172.67.211.161
6 2026-08-24 01:10 639231305014280808
16 ms 104.21.37.182
5 2026-08-24 01:10 639231305014280808
16 ms 172.67.211.161
4 2026-08-24 00:18 639231273779380675
16 ms 172.67.211.161
3 2026-08-24 00:18 639231273779380675
16 ms 104.21.37.182
2 2026-08-24 00:02 639231264180839154
43 ms 104.21.37.182
1 2026-08-24 00:02 639231264180839154
43 ms 172.67.211.161