DNS response history for itnednsp01.ucalgary.ca

itnednsp01.ucalgary.ca 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 2026-08-25. For this date, NameServerHistory found 135 DNS check records, 134 successful responses, 1 failed responses, and 449 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 itnednsp01.ucalgary.ca.
Records on Selected Date

135

Historical checks stored for this nameserver on selected date

Average Latency

449 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-25 23:33

All timestamps shown in UTC

Latest Resolved IP on Selected Date

136.159.1.21

Most recently resolved hosting IP on selected date

Successful Responses

134

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 itnednsp01.ucalgary.ca

Showing DNS history for 2026-08-25 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
135 2026-08-25 23:33 639232974980190573
10 ms 136.159.1.21
134 2026-08-25 23:33 639232974980190573
10 ms 136.159.222.2
133 2026-08-25 23:16 639232964577050707
2024 ms 136.159.1.21
132 2026-08-25 23:16 639232964577050707
2024 ms 136.159.222.2
131 2026-08-25 22:22 639232932163142799
59 ms 136.159.222.2
130 2026-08-25 22:22 639232932163142799
59 ms 136.159.1.21
129 2026-08-25 22:05 639232921673215474
12 ms 136.159.1.21
128 2026-08-25 22:05 639232921673215474
12 ms 136.159.222.2
127 2026-08-25 21:47 639232911234504639
9 ms 136.159.222.2
126 2026-08-25 21:47 639232911234504639
9 ms 136.159.1.21
125 2026-08-25 21:30 639232900747078453
18 ms 136.159.1.21
124 2026-08-25 21:30 639232900747078453
18 ms 136.159.222.2
123 2026-08-25 21:13 639232890389222534
2011 ms 136.159.222.2
122 2026-08-25 21:13 639232890389222534
2011 ms 136.159.1.21
121 2026-08-25 20:55 639232880143390843
2050 ms 136.159.222.2
120 2026-08-25 20:55 639232880143390843
2050 ms 136.159.1.21
119 2026-08-25 20:38 639232869755024069
18 ms 136.159.1.21
118 2026-08-25 20:38 639232869755024069
18 ms 136.159.222.2
117 2026-08-25 20:21 639232859355940346
36 ms 136.159.222.2
116 2026-08-25 20:21 639232859355940346
36 ms 136.159.1.21
115 2026-08-25 20:04 639232848992244953
2053 ms 136.159.222.2
114 2026-08-25 20:04 639232848992244953
2053 ms 136.159.1.21
113 2026-08-25 19:46 639232838596478500
2035 ms 136.159.1.21
112 2026-08-25 19:46 639232838596478500
2035 ms 136.159.222.2
111 2026-08-25 19:29 639232828175327683
10 ms 136.159.1.21
110 2026-08-25 19:29 639232828175327683
10 ms 136.159.222.2
109 2026-08-25 19:12 639232817798330473
11 ms 136.159.222.2
108 2026-08-25 19:12 639232817798330473
11 ms 136.159.1.21
107 2026-08-25 18:18 639232785462407552
-
106 2026-08-25 18:00 639232775177487032
11 ms 136.159.1.21
105 2026-08-25 18:00 639232775177487032
11 ms 136.159.222.2
104 2026-08-25 17:43 639232764991087115
2036 ms 136.159.222.2
103 2026-08-25 17:43 639232764991087115
2036 ms 136.159.1.21
102 2026-08-25 17:27 639232754842971478
135 ms 136.159.222.2
101 2026-08-25 17:27 639232754842971478
135 ms 136.159.1.21
100 2026-08-25 17:09 639232744455159107
10 ms 136.159.1.21
99 2026-08-25 17:09 639232744455159107
10 ms 136.159.222.2
98 2026-08-25 16:52 639232734145178231
32 ms 136.159.1.21
97 2026-08-25 16:52 639232734145178231
32 ms 136.159.222.2
96 2026-08-25 16:35 639232723827874402
11 ms 136.159.1.21
95 2026-08-25 16:35 639232723827874402
11 ms 136.159.222.2
94 2026-08-25 16:18 639232713533011892
43 ms 136.159.1.21
93 2026-08-25 16:18 639232713533011892
43 ms 136.159.222.2
92 2026-08-25 16:00 639232703065318207
12 ms 136.159.222.2
91 2026-08-25 16:00 639232703065318207
12 ms 136.159.1.21
90 2026-08-25 15:43 639232692629559470
58 ms 136.159.1.21
89 2026-08-25 15:43 639232692629559470
58 ms 136.159.222.2
88 2026-08-25 15:26 639232682238836475
10 ms 136.159.1.21
87 2026-08-25 15:26 639232682238836475
10 ms 136.159.222.2
86 2026-08-25 15:08 639232671787004306
45 ms 136.159.222.2
85 2026-08-25 15:08 639232671787004306
45 ms 136.159.1.21
84 2026-08-25 14:14 639232638994329666
90 ms 136.159.222.2
83 2026-08-25 14:14 639232638994329666
90 ms 136.159.1.21
82 2026-08-25 13:56 639232628614783237
29 ms 136.159.222.2
81 2026-08-25 13:56 639232628614783237
29 ms 136.159.1.21
80 2026-08-25 13:39 639232618360728578
90 ms 136.159.1.21
79 2026-08-25 13:39 639232618360728578
90 ms 136.159.222.2
78 2026-08-25 13:22 639232608016476376
48 ms 136.159.1.21
77 2026-08-25 13:22 639232608016476376
48 ms 136.159.222.2
76 2026-08-25 13:05 639232597643611557
2042 ms 136.159.1.21
75 2026-08-25 13:05 639232597643611557
2042 ms 136.159.222.2
74 2026-08-25 12:47 639232587225721862
18 ms 136.159.222.2
73 2026-08-25 12:47 639232587225721862
18 ms 136.159.1.21
72 2026-08-25 12:30 639232576780683689
11 ms 136.159.222.2
71 2026-08-25 12:30 639232576780683689
11 ms 136.159.1.21
70 2026-08-25 12:12 639232566381512620
48 ms 136.159.1.21
69 2026-08-25 12:12 639232566381512620
48 ms 136.159.222.2
68 2026-08-25 11:55 639232556111768563
116 ms 136.159.222.2
67 2026-08-25 11:55 639232556111768563
116 ms 136.159.1.21
66 2026-08-25 11:38 639232545839529039
24 ms 136.159.222.2
65 2026-08-25 11:38 639232545839529039
24 ms 136.159.1.21
64 2026-08-25 11:21 639232535349285207
21 ms 136.159.1.21
63 2026-08-25 11:21 639232535349285207
21 ms 136.159.222.2
62 2026-08-25 11:03 639232524938080723
35 ms 136.159.1.21
61 2026-08-25 11:03 639232524938080723
35 ms 136.159.222.2
60 2026-08-25 10:10 639232492740373468
15 ms 136.159.1.21
59 2026-08-25 10:10 639232492740373468
15 ms 136.159.222.2
58 2026-08-25 09:52 639232482235303141
4015 ms 136.159.1.21
57 2026-08-25 09:52 639232482235303141
4015 ms 136.159.222.2
56 2026-08-25 09:35 639232471861770303
26 ms 136.159.1.21
55 2026-08-25 09:35 639232471861770303
26 ms 136.159.222.2
54 2026-08-25 09:18 639232461630217327
18 ms 136.159.222.2
53 2026-08-25 09:18 639232461630217327
18 ms 136.159.1.21
52 2026-08-25 09:01 639232451282965990
15 ms 136.159.222.2
51 2026-08-25 09:01 639232451282965990
15 ms 136.159.1.21
50 2026-08-25 08:43 639232440814614938
2032 ms 136.159.1.21
49 2026-08-25 08:43 639232440814614938
2032 ms 136.159.222.2
48 2026-08-25 08:26 639232430410720425
14 ms 136.159.1.21
47 2026-08-25 08:26 639232430410720425
14 ms 136.159.222.2
46 2026-08-25 08:09 639232420003096185
50 ms 136.159.222.2
45 2026-08-25 08:09 639232420003096185
50 ms 136.159.1.21
44 2026-08-25 07:51 639232409467287444
16 ms 136.159.1.21
43 2026-08-25 07:51 639232409467287444
16 ms 136.159.222.2
42 2026-08-25 07:34 639232399077195997
30 ms 136.159.1.21
41 2026-08-25 07:34 639232399077195997
30 ms 136.159.222.2
40 2026-08-25 07:16 639232388731528337
49 ms 136.159.222.2
39 2026-08-25 07:16 639232388731528337
49 ms 136.159.1.21
38 2026-08-25 06:59 639232378288598612
10 ms 136.159.1.21
37 2026-08-25 06:59 639232378288598612
10 ms 136.159.222.2
36 2026-08-25 06:06 639232346196373643
16 ms 136.159.222.2
35 2026-08-25 06:06 639232346196373643
16 ms 136.159.1.21
34 2026-08-25 05:49 639232336112370741
2009 ms 136.159.1.21
33 2026-08-25 05:49 639232336112370741
2009 ms 136.159.222.2
32 2026-08-25 05:32 639232326146508970
2085 ms 136.159.1.21
31 2026-08-25 05:32 639232326146508970
2085 ms 136.159.222.2
30 2026-08-25 05:16 639232316189381720
25 ms 136.159.1.21
29 2026-08-25 05:16 639232316189381720
25 ms 136.159.222.2
28 2026-08-25 04:59 639232306217998913
2065 ms 136.159.222.2
27 2026-08-25 04:59 639232306217998913
2065 ms 136.159.1.21
26 2026-08-25 04:42 639232296255744174
10 ms 136.159.1.21
25 2026-08-25 04:42 639232296255744174
10 ms 136.159.222.2
24 2026-08-25 04:25 639232286095760789
13 ms 136.159.1.21
23 2026-08-25 04:25 639232286095760789
13 ms 136.159.222.2
22 2026-08-25 04:09 639232276086186273
25 ms 136.159.1.21
21 2026-08-25 04:09 639232276086186273
25 ms 136.159.222.2
20 2026-08-25 03:52 639232265900986425
9 ms 136.159.1.21
19 2026-08-25 03:52 639232265900986425
9 ms 136.159.222.2
18 2026-08-25 03:35 639232255723518075
13 ms 136.159.1.21
17 2026-08-25 03:35 639232255723518075
13 ms 136.159.222.2
16 2026-08-25 03:18 639232245484452890
32 ms 136.159.1.21
15 2026-08-25 03:18 639232245484452890
32 ms 136.159.222.2
14 2026-08-25 03:01 639232235157175331
19 ms 136.159.1.21
13 2026-08-25 03:01 639232235157175331
19 ms 136.159.222.2
12 2026-08-25 02:07 639232203197189095
2028 ms 136.159.222.2
11 2026-08-25 02:07 639232203197189095
2028 ms 136.159.1.21
10 2026-08-25 01:50 639232192844564298
12 ms 136.159.1.21
9 2026-08-25 01:50 639232192844564298
12 ms 136.159.222.2
8 2026-08-25 01:33 639232182496008942
45 ms 136.159.222.2
7 2026-08-25 01:33 639232182496008942
45 ms 136.159.1.21
6 2026-08-25 01:16 639232172197053132
10 ms 136.159.1.21
5 2026-08-25 01:16 639232172197053132
10 ms 136.159.222.2
4 2026-08-25 00:22 639232140250307418
11 ms 136.159.1.21
3 2026-08-25 00:22 639232140250307418
11 ms 136.159.222.2
2 2026-08-25 00:05 639232129927860324
59 ms 136.159.1.21
1 2026-08-25 00:05 639232129927860324
59 ms 136.159.222.2