DNS response history for ns1.pdns.opencom.com

ns1.pdns.opencom.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 2026-08-23. For this date, NameServerHistory found 75 DNS check records, 75 successful responses, 0 failed responses, and 604 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.pdns.opencom.com.
Records on Selected Date

75

Historical checks stored for this nameserver on selected date

Average Latency

604 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-23 23:57

All timestamps shown in UTC

Latest Resolved IP on Selected Date

121.78.91.50

Most recently resolved hosting IP on selected date

Successful Responses

75

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 ns1.pdns.opencom.com

Showing DNS history for 2026-08-23 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 2026-08-23 23:57 639231254406598736
595 ms 121.78.91.50
74 2026-08-23 23:41 639231244697865594
410 ms 121.78.91.50
73 2026-08-23 23:24 639231234893504693
410 ms 121.78.91.50
72 2026-08-23 23:08 639231225024549139
615 ms 121.78.91.50
71 2026-08-23 22:51 639231214931957622
412 ms 121.78.91.50
70 2026-08-23 22:35 639231204962010549
622 ms 121.78.91.50
69 2026-08-23 22:18 639231195170138463
411 ms 121.78.91.50
68 2026-08-23 22:02 639231185235020577
413 ms 121.78.91.50
67 2026-08-23 21:46 639231175558690075
615 ms 121.78.91.50
66 2026-08-23 21:29 639231165610444012
411 ms 121.78.91.50
65 2026-08-23 20:37 639231133806425363
615 ms 121.78.91.50
64 2026-08-23 20:20 639231124203758023
565 ms 121.78.91.50
63 2026-08-23 20:04 639231114428262706
579 ms 121.78.91.50
62 2026-08-23 19:48 639231104662480065
618 ms 121.78.91.50
61 2026-08-23 19:31 639231094840372018
616 ms 121.78.91.50
60 2026-08-23 19:15 639231085024583224
410 ms 121.78.91.50
59 2026-08-23 18:58 639231075257417427
414 ms 121.78.91.50
58 2026-08-23 18:42 639231065516009503
416 ms 121.78.91.50
57 2026-08-23 18:26 639231055805348837
411 ms 121.78.91.50
56 2026-08-23 18:10 639231045980373765
615 ms 121.78.91.50
55 2026-08-23 17:53 639231035984577527
616 ms 121.78.91.50
54 2026-08-23 17:36 639231025928115303
616 ms 121.78.91.50
53 2026-08-23 16:44 639230994250157583
412 ms 121.78.91.50
52 2026-08-23 16:27 639230984476411369
207 ms 121.78.91.50
51 2026-08-23 16:11 639230974838373450
616 ms 121.78.91.50
50 2026-08-23 15:55 639230965244277645
615 ms 121.78.91.50
49 2026-08-23 15:39 639230955522101820
617 ms 121.78.91.50
48 2026-08-23 15:23 639230945754521603
589 ms 121.78.91.50
47 2026-08-23 15:07 639230935852040504
413 ms 121.78.91.50
46 2026-08-23 14:50 639230926222061048
415 ms 121.78.91.50
45 2026-08-23 14:34 639230916449726907
412 ms 121.78.91.50
44 2026-08-23 14:18 639230906595053086
412 ms 121.78.91.50
43 2026-08-23 14:01 639230896680429441
616 ms 121.78.91.50
42 2026-08-23 13:44 639230886630210965
892 ms 121.78.91.50
41 2026-08-23 12:52 639230855430405719
411 ms 121.78.91.50
40 2026-08-23 12:36 639230845707499136
615 ms 121.78.91.50
39 2026-08-23 12:20 639230836186805419
2862 ms 121.78.91.50
38 2026-08-23 12:04 639230826493828316
846 ms 121.78.91.50
37 2026-08-23 11:48 639230816817882996
579 ms 121.78.91.50
36 2026-08-23 11:32 639230806933854189
615 ms 121.78.91.50
35 2026-08-23 11:15 639230797120243854
410 ms 121.78.91.50
34 2026-08-23 10:59 639230787310272840
467 ms 121.78.91.50
33 2026-08-23 10:42 639230777600173142
695 ms 121.78.91.50
32 2026-08-23 10:26 639230767665024593
572 ms 121.78.91.50
31 2026-08-23 10:10 639230757720962293
622 ms 121.78.91.50
30 2026-08-23 09:53 639230747722189784
623 ms 121.78.91.50
29 2026-08-23 09:00 639230716313923480
272 ms 121.78.91.50
28 2026-08-23 08:44 639230706813835990
614 ms 121.78.91.50
27 2026-08-23 08:28 639230696871062203
438 ms 121.78.91.50
26 2026-08-23 08:12 639230687142781616
580 ms 121.78.91.50
25 2026-08-23 07:55 639230677432142227
410 ms 121.78.91.50
24 2026-08-23 07:39 639230667686258061
615 ms 121.78.91.50
23 2026-08-23 07:23 639230658039243685
616 ms 121.78.91.50
22 2026-08-23 07:07 639230648468473803
615 ms 121.78.91.50
21 2026-08-23 06:51 639230638829658294
412 ms 121.78.91.50
20 2026-08-23 06:35 639230629247017617
615 ms 121.78.91.50
19 2026-08-23 06:19 639230619625318239
632 ms 121.78.91.50
18 2026-08-23 06:03 639230609697630264
614 ms 121.78.91.50
17 2026-08-23 05:10 639230578570131864
613 ms 121.78.91.50
16 2026-08-23 04:55 639230568958963168
615 ms 121.78.91.50
15 2026-08-23 04:39 639230559287611211
575 ms 121.78.91.50
14 2026-08-23 04:22 639230549524312030
615 ms 121.78.91.50
13 2026-08-23 04:06 639230539739801669
424 ms 121.78.91.50
12 2026-08-23 03:50 639230530084069375
302 ms 121.78.91.50
11 2026-08-23 03:34 639230520362691441
614 ms 121.78.91.50
10 2026-08-23 03:17 639230510677194518
615 ms 121.78.91.50
9 2026-08-23 03:01 639230501156002646
571 ms 121.78.91.50
8 2026-08-23 02:45 639230491502198541
615 ms 121.78.91.50
7 2026-08-23 02:29 639230481860318494
426 ms 121.78.91.50
6 2026-08-23 02:13 639230471893008575
409 ms 121.78.91.50
5 2026-08-23 01:20 639230440030877421
3007 ms 121.78.91.50
4 2026-08-23 01:04 639230430479725508
614 ms 121.78.91.50
3 2026-08-23 00:48 639230420875160219
919 ms 121.78.91.50
2 2026-08-23 00:32 639230411240692575
615 ms 121.78.91.50
1 2026-08-23 00:16 639230401550806607
411 ms 121.78.91.50