DNS response history for ns1.gradezero.org

ns1.gradezero.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 2026-08-26. For this date, NameServerHistory found 44 DNS check records, 44 successful responses, 0 failed responses, and 348 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 ns1.gradezero.org.
Records on Selected Date

44

Historical checks stored for this nameserver on selected date

Average Latency

348 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-26 14:22

All timestamps shown in UTC

Latest Resolved IP on Selected Date

51.178.172.190

Most recently resolved hosting IP on selected date

Successful Responses

44

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 ns1.gradezero.org

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
44 2026-08-26 14:22 639233507603253585
31 ms 51.178.172.190
43 2026-08-26 14:05 639233497229039167
19 ms 51.178.172.190
42 2026-08-26 13:47 639233486864546406
159 ms 51.178.172.190
41 2026-08-26 13:30 639233476455174682
544 ms 51.178.172.190
40 2026-08-26 13:13 639233466171592605
30 ms 51.178.172.190
39 2026-08-26 12:56 639233455747096265
166 ms 51.178.172.190
38 2026-08-26 12:38 639233445367152284
505 ms 51.178.172.190
37 2026-08-26 12:21 639233434974187439
383 ms 51.178.172.190
36 2026-08-26 12:04 639233424567558554
20 ms 51.178.172.190
35 2026-08-26 11:46 639233414056832719
171 ms 51.178.172.190
34 2026-08-26 11:29 639233403515141099
28 ms 51.178.172.190
33 2026-08-26 10:34 639233370841350248
100 ms 51.178.172.190
32 2026-08-26 10:17 639233360361507238
19 ms 51.178.172.190
31 2026-08-26 09:59 639233350067824371
269 ms 51.178.172.190
30 2026-08-26 09:42 639233339545274518
274 ms 51.178.172.190
29 2026-08-26 09:25 639233329214918079
413 ms 51.178.172.190
28 2026-08-26 09:07 639233318749762337
514 ms 51.178.172.190
27 2026-08-26 08:50 639233308387917838
2318 ms 51.178.172.190
26 2026-08-26 08:33 639233297961740122
521 ms 51.178.172.190
25 2026-08-26 08:15 639233287487159094
14 ms 51.178.172.190
24 2026-08-26 07:58 639233276995531707
2023 ms 51.178.172.190
23 2026-08-26 07:40 639233266521568229
436 ms 51.178.172.190
22 2026-08-26 07:23 639233256081047431
41 ms 51.178.172.190
21 2026-08-26 06:29 639233223620132921
166 ms 51.178.172.190
20 2026-08-26 06:12 639233213287814244
38 ms 51.178.172.190
19 2026-08-26 05:54 639233202925983161
2030 ms 51.178.172.190
18 2026-08-26 05:37 639233192644780696
2040 ms 51.178.172.190
17 2026-08-26 05:20 639233182401183833
271 ms 51.178.172.190
16 2026-08-26 05:03 639233172074181051
16 ms 51.178.172.190
15 2026-08-26 04:46 639233161808421455
170 ms 51.178.172.190
14 2026-08-26 04:28 639233151357344052
281 ms 51.178.172.190
13 2026-08-26 04:11 639233141034116946
41 ms 51.178.172.190
12 2026-08-26 03:54 639233130828334142
21 ms 51.178.172.190
11 2026-08-26 03:37 639233120373450007
334 ms 51.178.172.190
10 2026-08-26 03:19 639233110066216193
275 ms 51.178.172.190
9 2026-08-26 02:26 639233078065410564
153 ms 51.178.172.190
8 2026-08-26 02:09 639233067787457832
32 ms 51.178.172.190
7 2026-08-26 01:52 639233057501801162
17 ms 51.178.172.190
6 2026-08-26 01:34 639233047089431703
40 ms 51.178.172.190
5 2026-08-26 01:17 639233036754790688
19 ms 51.178.172.190
4 2026-08-26 01:00 639233026412602472
21 ms 51.178.172.190
3 2026-08-26 00:43 639233016064066127
155 ms 51.178.172.190
2 2026-08-26 00:26 639233005922655772
156 ms 51.178.172.190
1 2026-08-26 00:09 639232995672256907
35 ms 51.178.172.190