DNS response history for pdns247.ultradns.com

pdns247.ultradns.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 2026-08-26. For this date, NameServerHistory found 54 DNS check records, 53 successful responses, 1 failed responses, and 332 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 pdns247.ultradns.com.
Records on Selected Date

54

Historical checks stored for this nameserver on selected date

Average Latency

332 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-26 17:56

All timestamps shown in UTC

Latest Resolved IP on Selected Date

156.154.64.247

Most recently resolved hosting IP on selected date

Successful Responses

53

Checks that returned a measurable response

Failed Responses

1

Checks with no response or no returned latency

Failure Rate

2%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for pdns247.ultradns.com

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
54 2026-08-26 17:56 639233635663779051
18 ms 156.154.64.247
53 2026-08-26 17:38 639233624977342122
28 ms 156.154.64.247
52 2026-08-26 17:21 639233614446136153
29 ms 156.154.64.247
51 2026-08-26 17:03 639233603737877581
45 ms 156.154.64.247
50 2026-08-26 16:45 639233593269224651
18 ms 156.154.64.247
49 2026-08-26 16:28 639233582635086903
2023 ms 156.154.64.247
48 2026-08-26 16:10 639233572000374575
28 ms 156.154.64.247
47 2026-08-26 15:52 639233561188633861
2014 ms 156.154.64.247
46 2026-08-26 15:34 639233550544357027
9 ms 156.154.64.247
45 2026-08-26 14:40 639233517966053117
11 ms 156.154.64.247
44 2026-08-26 14:23 639233507603253585
20 ms 156.154.64.247
43 2026-08-26 14:05 639233497229039167
33 ms 156.154.64.247
42 2026-08-26 13:48 639233486864546406
13 ms 156.154.64.247
41 2026-08-26 13:31 639233476455174682
34 ms 156.154.64.247
40 2026-08-26 13:13 639233466171592605
15 ms 156.154.64.247
39 2026-08-26 12:56 639233455747096265
15 ms 156.154.64.247
38 2026-08-26 12:39 639233445367152284
145 ms 156.154.64.247
37 2026-08-26 12:22 639233434974187439
21 ms 156.154.64.247
36 2026-08-26 12:04 639233424567558554
10 ms 156.154.64.247
35 2026-08-26 11:47 639233414056832719
50 ms 156.154.64.247
34 2026-08-26 11:29 639233403515141099
15 ms 156.154.64.247
33 2026-08-26 10:34 639233370841350248
12 ms 156.154.64.247
32 2026-08-26 10:17 639233360361507238
32 ms 156.154.64.247
31 2026-08-26 10:00 639233350067824371
19 ms 156.154.64.247
30 2026-08-26 09:43 639233339545274518
32 ms 156.154.64.247
29 2026-08-26 09:25 639233329214918079
5 ms 156.154.64.247
28 2026-08-26 09:08 639233318749762337
17 ms 156.154.64.247
27 2026-08-26 08:50 639233308387917838
29 ms 156.154.64.247
26 2026-08-26 08:33 639233297961740122
40 ms 156.154.64.247
25 2026-08-26 08:16 639233287487159094
18 ms 156.154.64.247
24 2026-08-26 07:58 639233276995531707
38 ms 156.154.64.247
23 2026-08-26 07:41 639233266521568229
16 ms 156.154.64.247
22 2026-08-26 07:23 639233256081047431
81 ms 156.154.64.247
21 2026-08-26 06:29 639233223620132921
74 ms 156.154.64.247
20 2026-08-26 06:12 639233213287814244
31 ms 156.154.64.247
19 2026-08-26 05:55 639233202925983161
87 ms 156.154.64.247
18 2026-08-26 05:38 639233192644780696
15 ms 156.154.64.247
17 2026-08-26 05:20 639233182401183833
49 ms 156.154.64.247
16 2026-08-26 05:03 639233172074181051
55 ms 156.154.64.247
15 2026-08-26 04:46 639233161808421455
30 ms 156.154.64.247
14 2026-08-26 04:29 639233151357344052
6 ms 156.154.64.247
13 2026-08-26 04:12 639233141034116946
4035 ms 156.154.64.247
12 2026-08-26 03:55 639233130828334142
2024 ms 156.154.64.247
11 2026-08-26 03:37 639233120373450007
18 ms 156.154.64.247
10 2026-08-26 03:20 639233110066216193
11 ms 156.154.64.247
9 2026-08-26 02:27 639233078065410564
32 ms 156.154.64.247
8 2026-08-26 02:09 639233067787457832
9 ms 156.154.64.247
7 2026-08-26 01:52 639233057501801162
13 ms 156.154.64.247
6 2026-08-26 01:35 639233047089431703
2089 ms 156.154.64.247
5 2026-08-26 01:18 639233036754790688
2022 ms 156.154.64.247
4 2026-08-26 01:01 639233026412602472
-
3 2026-08-26 00:43 639233016064066127
2022 ms 156.154.64.247
2 2026-08-26 00:26 639233005922655772
14 ms 156.154.64.247
1 2026-08-26 00:09 639232995672256907
9 ms 156.154.64.247