DNS response history for dns37.ultradns.net

dns37.ultradns.net 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 2026-08-26. For this date, NameServerHistory found 47 DNS check records, 47 successful responses, 0 failed responses, and 240 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 dns37.ultradns.net.
Records on Selected Date

47

Historical checks stored for this nameserver on selected date

Average Latency

240 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-26 15:54

All timestamps shown in UTC

Latest Resolved IP on Selected Date

156.154.68.26

Most recently resolved hosting IP on selected date

Successful Responses

47

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 dns37.ultradns.net

Showing DNS history for 2026-08-26 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
47 2026-08-26 15:54 639233561188633861
13 ms 156.154.68.26
46 2026-08-26 15:36 639233550544357027
10 ms 156.154.68.26
45 2026-08-26 14:42 639233517966053117
23 ms 156.154.68.26
44 2026-08-26 14:25 639233507603253585
75 ms 156.154.68.26
43 2026-08-26 14:07 639233497229039167
36 ms 156.154.68.26
42 2026-08-26 13:50 639233486864546406
2020 ms 156.154.68.26
41 2026-08-26 13:33 639233476455174682
70 ms 156.154.68.26
40 2026-08-26 13:16 639233466171592605
59 ms 156.154.68.26
39 2026-08-26 12:59 639233455747096265
10 ms 156.154.68.26
38 2026-08-26 12:41 639233445367152284
11 ms 156.154.68.26
37 2026-08-26 12:24 639233434974187439
15 ms 156.154.68.26
36 2026-08-26 12:06 639233424567558554
29 ms 156.154.68.26
35 2026-08-26 11:49 639233414056832719
16 ms 156.154.68.26
34 2026-08-26 11:31 639233403515141099
53 ms 156.154.68.26
33 2026-08-26 10:37 639233370841350248
20 ms 156.154.68.26
32 2026-08-26 10:19 639233360361507238
2012 ms 156.154.68.26
31 2026-08-26 10:02 639233350067824371
26 ms 156.154.68.26
30 2026-08-26 09:45 639233339545274518
36 ms 156.154.68.26
29 2026-08-26 09:27 639233329214918079
11 ms 156.154.68.26
28 2026-08-26 09:10 639233318749762337
2017 ms 156.154.68.26
27 2026-08-26 08:53 639233308387917838
17 ms 156.154.68.26
26 2026-08-26 08:35 639233297961740122
17 ms 156.154.68.26
25 2026-08-26 08:18 639233287487159094
2028 ms 156.154.68.26
24 2026-08-26 08:00 639233276995531707
17 ms 156.154.68.26
23 2026-08-26 07:43 639233266521568229
21 ms 156.154.68.26
22 2026-08-26 07:26 639233256081047431
19 ms 156.154.68.26
21 2026-08-26 06:32 639233223620132921
20 ms 156.154.68.26
20 2026-08-26 06:14 639233213287814244
36 ms 156.154.68.26
19 2026-08-26 05:57 639233202925983161
23 ms 156.154.68.26
18 2026-08-26 05:40 639233192644780696
15 ms 156.154.68.26
17 2026-08-26 05:23 639233182401183833
12 ms 156.154.68.26
16 2026-08-26 05:06 639233172074181051
54 ms 156.154.68.26
15 2026-08-26 04:49 639233161808421455
9 ms 156.154.68.26
14 2026-08-26 04:31 639233151357344052
28 ms 156.154.68.26
13 2026-08-26 04:14 639233141034116946
63 ms 156.154.68.26
12 2026-08-26 03:57 639233130828334142
30 ms 156.154.68.26
11 2026-08-26 03:39 639233120373450007
18 ms 156.154.68.26
10 2026-08-26 03:22 639233110066216193
16 ms 156.154.68.26
9 2026-08-26 02:29 639233078065410564
10 ms 156.154.68.26
8 2026-08-26 02:12 639233067787457832
67 ms 156.154.68.26
7 2026-08-26 01:55 639233057501801162
2032 ms 156.154.68.26
6 2026-08-26 01:37 639233047089431703
24 ms 156.154.68.26
5 2026-08-26 01:20 639233036754790688
20 ms 156.154.68.26
4 2026-08-26 01:03 639233026412602472
10 ms 156.154.68.26
3 2026-08-26 00:46 639233016064066127
36 ms 156.154.68.26
2 2026-08-26 00:29 639233005922655772
8 ms 156.154.68.26
1 2026-08-26 00:12 639232995672256907
82 ms 156.154.68.26