DNS response history for ns2.kr4.org

ns2.kr4.org 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 150 DNS check records, 150 successful responses, 0 failed responses, and 335 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.kr4.org.
Records on Selected Date

150

Historical checks stored for this nameserver on selected date

Average Latency

335 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-23 23:46

All timestamps shown in UTC

Latest Resolved IP on Selected Date

104.21.37.176

Most recently resolved hosting IP on selected date

Successful Responses

150

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.kr4.org

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
150 2026-08-23 23:46 639231254406598736
18 ms 104.21.37.176
149 2026-08-23 23:46 639231254406598736
18 ms 172.67.211.64
148 2026-08-23 23:30 639231244697865594
19 ms 104.21.37.176
147 2026-08-23 23:30 639231244697865594
19 ms 172.67.211.64
146 2026-08-23 23:13 639231234893504693
55 ms 172.67.211.64
145 2026-08-23 23:13 639231234893504693
55 ms 104.21.37.176
144 2026-08-23 22:57 639231225024549139
22 ms 104.21.37.176
143 2026-08-23 22:57 639231225024549139
22 ms 172.67.211.64
142 2026-08-23 22:40 639231214931957622
24 ms 104.21.37.176
141 2026-08-23 22:40 639231214931957622
24 ms 172.67.211.64
140 2026-08-23 22:24 639231204962010549
23 ms 172.67.211.64
139 2026-08-23 22:24 639231204962010549
23 ms 104.21.37.176
138 2026-08-23 22:07 639231195170138463
4026 ms 172.67.211.64
137 2026-08-23 22:07 639231195170138463
4026 ms 104.21.37.176
136 2026-08-23 21:51 639231185235020577
18 ms 104.21.37.176
135 2026-08-23 21:51 639231185235020577
18 ms 172.67.211.64
134 2026-08-23 21:35 639231175558690075
29 ms 104.21.37.176
133 2026-08-23 21:35 639231175558690075
29 ms 172.67.211.64
132 2026-08-23 21:18 639231165610444012
156 ms 104.21.37.176
131 2026-08-23 21:18 639231165610444012
156 ms 172.67.211.64
130 2026-08-23 20:25 639231133806425363
2078 ms 172.67.211.64
129 2026-08-23 20:25 639231133806425363
2078 ms 104.21.37.176
128 2026-08-23 20:09 639231124203758023
2062 ms 172.67.211.64
127 2026-08-23 20:09 639231124203758023
2062 ms 104.21.37.176
126 2026-08-23 19:53 639231114428262706
43 ms 104.21.37.176
125 2026-08-23 19:53 639231114428262706
43 ms 172.67.211.64
124 2026-08-23 19:36 639231104662480065
88 ms 172.67.211.64
123 2026-08-23 19:36 639231104662480065
88 ms 104.21.37.176
122 2026-08-23 19:20 639231094840372018
8 ms 172.67.211.64
121 2026-08-23 19:20 639231094840372018
8 ms 104.21.37.176
120 2026-08-23 19:04 639231085024583224
6 ms 104.21.37.176
119 2026-08-23 19:04 639231085024583224
6 ms 172.67.211.64
118 2026-08-23 18:47 639231075257417427
34 ms 104.21.37.176
117 2026-08-23 18:47 639231075257417427
34 ms 172.67.211.64
116 2026-08-23 18:31 639231065516009503
7 ms 172.67.211.64
115 2026-08-23 18:31 639231065516009503
7 ms 104.21.37.176
114 2026-08-23 18:15 639231055805348837
31 ms 104.21.37.176
113 2026-08-23 18:15 639231055805348837
31 ms 172.67.211.64
112 2026-08-23 17:59 639231045980373765
73 ms 104.21.37.176
111 2026-08-23 17:59 639231045980373765
73 ms 172.67.211.64
110 2026-08-23 17:42 639231035984577527
36 ms 172.67.211.64
109 2026-08-23 17:42 639231035984577527
36 ms 104.21.37.176
108 2026-08-23 17:25 639231025928115303
2022 ms 104.21.37.176
107 2026-08-23 17:25 639231025928115303
2022 ms 172.67.211.64
106 2026-08-23 16:32 639230994250157583
35 ms 172.67.211.64
105 2026-08-23 16:32 639230994250157583
35 ms 104.21.37.176
104 2026-08-23 16:16 639230984476411369
23 ms 104.21.37.176
103 2026-08-23 16:16 639230984476411369
23 ms 172.67.211.64
102 2026-08-23 16:00 639230974838373450
2027 ms 172.67.211.64
101 2026-08-23 16:00 639230974838373450
2027 ms 104.21.37.176
100 2026-08-23 15:44 639230965244277645
6 ms 172.67.211.64
99 2026-08-23 15:44 639230965244277645
6 ms 104.21.37.176
98 2026-08-23 15:28 639230955522101820
49 ms 172.67.211.64
97 2026-08-23 15:28 639230955522101820
49 ms 104.21.37.176
96 2026-08-23 15:12 639230945754521603
18 ms 104.21.37.176
95 2026-08-23 15:12 639230945754521603
18 ms 172.67.211.64
94 2026-08-23 14:55 639230935852040504
74 ms 172.67.211.64
93 2026-08-23 14:55 639230935852040504
74 ms 104.21.37.176
92 2026-08-23 14:39 639230926222061048
2057 ms 104.21.37.176
91 2026-08-23 14:39 639230926222061048
2057 ms 172.67.211.64
90 2026-08-23 14:23 639230916449726907
53 ms 172.67.211.64
89 2026-08-23 14:23 639230916449726907
53 ms 104.21.37.176
88 2026-08-23 14:06 639230906595053086
2021 ms 104.21.37.176
87 2026-08-23 14:06 639230906595053086
2021 ms 172.67.211.64
86 2026-08-23 13:50 639230896680429441
42 ms 104.21.37.176
85 2026-08-23 13:50 639230896680429441
42 ms 172.67.211.64
84 2026-08-23 13:33 639230886630210965
48 ms 172.67.211.64
83 2026-08-23 13:33 639230886630210965
48 ms 104.21.37.176
82 2026-08-23 12:41 639230855430405719
2037 ms 104.21.37.176
81 2026-08-23 12:41 639230855430405719
2037 ms 172.67.211.64
80 2026-08-23 12:25 639230845707499136
21 ms 104.21.37.176
79 2026-08-23 12:25 639230845707499136
21 ms 172.67.211.64
78 2026-08-23 12:09 639230836186805419
21 ms 104.21.37.176
77 2026-08-23 12:09 639230836186805419
21 ms 172.67.211.64
76 2026-08-23 11:53 639230826493828316
18 ms 172.67.211.64
75 2026-08-23 11:53 639230826493828316
18 ms 104.21.37.176
74 2026-08-23 11:37 639230816817882996
38 ms 104.21.37.176
73 2026-08-23 11:37 639230816817882996
38 ms 172.67.211.64
72 2026-08-23 11:20 639230806933854189
13 ms 104.21.37.176
71 2026-08-23 11:20 639230806933854189
13 ms 172.67.211.64
70 2026-08-23 11:04 639230797120243854
47 ms 172.67.211.64
69 2026-08-23 11:04 639230797120243854
47 ms 104.21.37.176
68 2026-08-23 10:48 639230787310272840
76 ms 172.67.211.64
67 2026-08-23 10:48 639230787310272840
76 ms 104.21.37.176
66 2026-08-23 10:31 639230777600173142
34 ms 104.21.37.176
65 2026-08-23 10:31 639230777600173142
34 ms 172.67.211.64
64 2026-08-23 10:15 639230767665024593
7 ms 172.67.211.64
63 2026-08-23 10:15 639230767665024593
7 ms 104.21.37.176
62 2026-08-23 09:58 639230757720962293
17 ms 104.21.37.176
61 2026-08-23 09:58 639230757720962293
17 ms 172.67.211.64
60 2026-08-23 09:42 639230747722189784
59 ms 172.67.211.64
59 2026-08-23 09:42 639230747722189784
59 ms 104.21.37.176
58 2026-08-23 08:49 639230716313923480
61 ms 172.67.211.64
57 2026-08-23 08:49 639230716313923480
61 ms 104.21.37.176
56 2026-08-23 08:33 639230706813835990
18 ms 104.21.37.176
55 2026-08-23 08:33 639230706813835990
18 ms 172.67.211.64
54 2026-08-23 08:17 639230696871062203
24 ms 104.21.37.176
53 2026-08-23 08:17 639230696871062203
24 ms 172.67.211.64
52 2026-08-23 08:01 639230687142781616
34 ms 172.67.211.64
51 2026-08-23 08:01 639230687142781616
34 ms 104.21.37.176
50 2026-08-23 07:44 639230677432142227
2025 ms 172.67.211.64
49 2026-08-23 07:44 639230677432142227
2025 ms 104.21.37.176
48 2026-08-23 07:28 639230667686258061
20 ms 172.67.211.64
47 2026-08-23 07:28 639230667686258061
20 ms 104.21.37.176
46 2026-08-23 07:12 639230658039243685
37 ms 172.67.211.64
45 2026-08-23 07:12 639230658039243685
37 ms 104.21.37.176
44 2026-08-23 06:56 639230648468473803
47 ms 172.67.211.64
43 2026-08-23 06:56 639230648468473803
47 ms 104.21.37.176
42 2026-08-23 06:40 639230638829658294
39 ms 172.67.211.64
41 2026-08-23 06:40 639230638829658294
39 ms 104.21.37.176
40 2026-08-23 06:24 639230629247017617
19 ms 104.21.37.176
39 2026-08-23 06:24 639230629247017617
19 ms 172.67.211.64
38 2026-08-23 06:08 639230619625318239
152 ms 104.21.37.176
37 2026-08-23 06:08 639230619625318239
152 ms 172.67.211.64
36 2026-08-23 05:51 639230609697630264
5 ms 172.67.211.64
35 2026-08-23 05:51 639230609697630264
5 ms 104.21.37.176
34 2026-08-23 05:00 639230578570131864
78 ms 104.21.37.176
33 2026-08-23 05:00 639230578570131864
78 ms 172.67.211.64
32 2026-08-23 04:44 639230568958963168
34 ms 172.67.211.64
31 2026-08-23 04:44 639230568958963168
34 ms 104.21.37.176
30 2026-08-23 04:28 639230559287611211
27 ms 104.21.37.176
29 2026-08-23 04:28 639230559287611211
27 ms 172.67.211.64
28 2026-08-23 04:11 639230549524312030
29 ms 172.67.211.64
27 2026-08-23 04:11 639230549524312030
29 ms 104.21.37.176
26 2026-08-23 03:55 639230539739801669
2019 ms 104.21.37.176
25 2026-08-23 03:55 639230539739801669
2019 ms 172.67.211.64
24 2026-08-23 03:39 639230530084069375
248 ms 104.21.37.176
23 2026-08-23 03:39 639230530084069375
248 ms 172.67.211.64
22 2026-08-23 03:23 639230520362691441
52 ms 104.21.37.176
21 2026-08-23 03:23 639230520362691441
52 ms 172.67.211.64
20 2026-08-23 03:07 639230510677194518
55 ms 172.67.211.64
19 2026-08-23 03:07 639230510677194518
55 ms 104.21.37.176
18 2026-08-23 02:51 639230501156002646
15 ms 104.21.37.176
17 2026-08-23 02:51 639230501156002646
15 ms 172.67.211.64
16 2026-08-23 02:35 639230491502198541
24 ms 172.67.211.64
15 2026-08-23 02:35 639230491502198541
24 ms 104.21.37.176
14 2026-08-23 02:18 639230481860318494
31 ms 172.67.211.64
13 2026-08-23 02:18 639230481860318494
31 ms 104.21.37.176
12 2026-08-23 02:02 639230471893008575
11 ms 172.67.211.64
11 2026-08-23 02:02 639230471893008575
11 ms 104.21.37.176
10 2026-08-23 01:09 639230440030877421
202 ms 104.21.37.176
9 2026-08-23 01:09 639230440030877421
202 ms 172.67.211.64
8 2026-08-23 00:53 639230430479725508
47 ms 104.21.37.176
7 2026-08-23 00:53 639230430479725508
47 ms 172.67.211.64
6 2026-08-23 00:37 639230420875160219
28 ms 172.67.211.64
5 2026-08-23 00:37 639230420875160219
28 ms 104.21.37.176
4 2026-08-23 00:21 639230411240692575
32 ms 104.21.37.176
3 2026-08-23 00:21 639230411240692575
32 ms 172.67.211.64
2 2026-08-23 00:05 639230401550806607
6 ms 104.21.37.176
1 2026-08-23 00:05 639230401550806607
6 ms 172.67.211.64