DNS response history for ns2.isonorp.com

ns2.isonorp.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 2026-08-19. For this date, NameServerHistory found 75 DNS check records, 73 successful responses, 2 failed responses, and 268 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.isonorp.com.
Records on Selected Date

75

Historical checks stored for this nameserver on selected date

Average Latency

268 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-19 23:59

All timestamps shown in UTC

Latest Resolved IP on Selected Date

148.251.64.41

Most recently resolved hosting IP on selected date

Successful Responses

73

Checks that returned a measurable response

Failed Responses

2

Checks with no response or no returned latency

Failure Rate

3%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for ns2.isonorp.com

Showing DNS history for 2026-08-19 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 2026-08-19 23:59 639227805445376839
38 ms 148.251.64.41
74 2026-08-19 23:43 639227795899225951
72 ms 148.251.64.41
73 2026-08-19 23:27 639227786351762008
7 ms 148.251.64.41
72 2026-08-19 23:11 639227776640591733
38 ms 148.251.64.41
71 2026-08-19 22:55 639227767128841282
47 ms 148.251.64.41
70 2026-08-19 22:39 639227757477304711
2046 ms 148.251.64.41
69 2026-08-19 22:22 639227747572098014
44 ms 148.251.64.41
68 2026-08-19 22:06 639227737588613113
2057 ms 148.251.64.41
67 2026-08-19 21:13 639227706134603955
151 ms 148.251.64.41
66 2026-08-19 20:57 639227696589027396
40 ms 148.251.64.41
65 2026-08-19 20:41 639227687097707639
61 ms 148.251.64.41
64 2026-08-19 20:25 639227677474464487
28 ms 148.251.64.41
63 2026-08-19 20:09 639227667767441118
3 ms 148.251.64.41
62 2026-08-19 19:53 639227657984833832
56 ms 148.251.64.41
61 2026-08-19 19:36 639227648079992640
33 ms 148.251.64.41
60 2026-08-19 19:20 639227638125048441
59 ms 148.251.64.41
59 2026-08-19 19:03 639227628211392142
49 ms 148.251.64.41
58 2026-08-19 18:47 639227618261696275
18 ms 148.251.64.41
57 2026-08-19 18:30 639227608366233645
53 ms 148.251.64.41
56 2026-08-19 18:13 639227598301787588
40 ms 148.251.64.41
55 2026-08-19 17:20 639227566241010716
31 ms 148.251.64.41
54 2026-08-19 17:04 639227556454538959
24 ms 148.251.64.41
53 2026-08-19 16:47 639227546640305542
40 ms 148.251.64.41
52 2026-08-19 16:31 639227536965466472
53 ms 148.251.64.41
51 2026-08-19 16:15 639227527048658280
112 ms 148.251.64.41
50 2026-08-19 15:58 639227517386634438
2074 ms 148.251.64.41
49 2026-08-19 15:42 639227507459551637
139 ms 148.251.64.41
48 2026-08-19 15:25 639227497515595277
51 ms 148.251.64.41
47 2026-08-19 15:09 639227487441798036
65 ms 148.251.64.41
46 2026-08-19 14:52 639227477445551863
89 ms 148.251.64.41
45 2026-08-19 14:35 639227467297067891
2027 ms 148.251.64.41
44 2026-08-19 14:18 639227457057795635
80 ms 148.251.64.41
43 2026-08-19 13:25 639227425244777397
-
42 2026-08-19 13:09 639227415422116485
40 ms 148.251.64.41
41 2026-08-19 12:52 639227405307256053
25 ms 148.251.64.41
40 2026-08-19 12:35 639227395396602630
40 ms 148.251.64.41
39 2026-08-19 12:19 639227385510363611
36 ms 148.251.64.41
38 2026-08-19 12:02 639227375508324850
2026 ms 148.251.64.41
37 2026-08-19 11:45 639227365326611906
61 ms 148.251.64.41
36 2026-08-19 11:28 639227355360014208
23 ms 148.251.64.41
35 2026-08-19 11:11 639227345036782165
57 ms 148.251.64.41
34 2026-08-19 10:54 639227334992964533
59 ms 148.251.64.41
33 2026-08-19 10:38 639227324986605572
72 ms 148.251.64.41
32 2026-08-19 10:21 639227314928414539
58 ms 148.251.64.41
31 2026-08-19 09:28 639227283029182134
18 ms 148.251.64.41
30 2026-08-19 09:12 639227273294779350
25 ms 148.251.64.41
29 2026-08-19 08:55 639227263525231313
39 ms 148.251.64.41
28 2026-08-19 08:39 639227253578313363
58 ms 148.251.64.41
27 2026-08-19 08:22 639227243649973322
35 ms 148.251.64.41
26 2026-08-19 08:05 639227233581059317
32 ms 148.251.64.41
25 2026-08-19 07:49 639227223667352067
19 ms 148.251.64.41
24 2026-08-19 07:32 639227213714837066
68 ms 148.251.64.41
23 2026-08-19 07:16 639227203701208496
61 ms 148.251.64.41
22 2026-08-19 06:59 639227193643202179
46 ms 148.251.64.41
21 2026-08-19 06:42 639227183584431597
2058 ms 148.251.64.41
20 2026-08-19 06:25 639227173347403088
67 ms 148.251.64.41
19 2026-08-19 05:32 639227141523007601
10 ms 148.251.64.41
18 2026-08-19 05:16 639227131785931574
27 ms 148.251.64.41
17 2026-08-19 05:00 639227122176475389
50 ms 148.251.64.41
16 2026-08-19 04:44 639227112668934596
62 ms 148.251.64.41
15 2026-08-19 04:27 639227102773292788
4 ms 148.251.64.41
14 2026-08-19 04:11 639227093141136930
47 ms 148.251.64.41
13 2026-08-19 03:55 639227083449420147
33 ms 148.251.64.41
12 2026-08-19 03:39 639227073771748493
29 ms 148.251.64.41
11 2026-08-19 03:23 639227063977347614
95 ms 148.251.64.41
10 2026-08-19 03:07 639227054253519024
2039 ms 148.251.64.41
9 2026-08-19 02:50 639227044381963886
112 ms 148.251.64.41
8 2026-08-19 02:34 639227034441085514
37 ms 148.251.64.41
7 2026-08-19 01:41 639227003126489968
17 ms 148.251.64.41
6 2026-08-19 01:25 639226993456311614
67 ms 148.251.64.41
5 2026-08-19 01:09 639226983847312345
-
4 2026-08-19 00:53 639226974357874853
2050 ms 148.251.64.41
3 2026-08-19 00:37 639226964670484721
46 ms 148.251.64.41
2 2026-08-19 00:21 639226954857899696
30 ms 148.251.64.41
1 2026-08-19 00:05 639226945091603488
59 ms 148.251.64.41