DNS response history for ns.grendel.cz

ns.grendel.cz 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 2026-08-24. For this date, NameServerHistory found 48 DNS check records, 48 successful responses, 0 failed responses, and 480 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 ns.grendel.cz.
Records on Selected Date

48

Historical checks stored for this nameserver on selected date

Average Latency

480 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-24 20:21

All timestamps shown in UTC

Latest Resolved IP on Selected Date

91.206.91.11

Most recently resolved hosting IP on selected date

Successful Responses

48

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 ns.grendel.cz

Showing DNS history for 2026-08-24 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
48 2026-08-24 20:21 639231993997863976
39 ms 91.206.91.11
47 2026-08-24 20:04 639231983967363696
232 ms 91.206.91.11
46 2026-08-24 19:12 639231952257842845
258 ms 91.206.91.11
45 2026-08-24 18:55 639231942277816756
9 ms 91.206.91.11
44 2026-08-24 18:38 639231932094180724
38 ms 91.206.91.11
43 2026-08-24 18:21 639231922041034838
39 ms 91.206.91.11
42 2026-08-24 17:29 639231890488117536
2011 ms 91.206.91.11
41 2026-08-24 17:12 639231880574255543
45 ms 91.206.91.11
40 2026-08-24 16:55 639231870418029045
43 ms 91.206.91.11
39 2026-08-24 16:38 639231860258429562
32 ms 91.206.91.11
38 2026-08-24 15:45 639231828211839931
5 ms 91.206.91.11
37 2026-08-24 15:28 639231818080917481
47 ms 91.206.91.11
36 2026-08-24 15:11 639231807961539652
568 ms 91.206.91.11
35 2026-08-24 14:54 639231797631669865
381 ms 91.206.91.11
34 2026-08-24 14:01 639231765923559455
32 ms 91.206.91.11
33 2026-08-24 13:44 639231755868832964
2039 ms 91.206.91.11
32 2026-08-24 13:27 639231745628278877
40 ms 91.206.91.11
31 2026-08-24 13:10 639231735407682062
10 ms 91.206.91.11
30 2026-08-24 12:17 639231703815441688
30 ms 91.206.91.11
29 2026-08-24 12:01 639231693747052549
18 ms 91.206.91.11
28 2026-08-24 11:44 639231683712487276
86 ms 91.206.91.11
27 2026-08-24 11:27 639231673513573868
89 ms 91.206.91.11
26 2026-08-24 10:34 639231641791249939
2031 ms 91.206.91.11
25 2026-08-24 10:18 639231631866211033
2007 ms 91.206.91.11
24 2026-08-24 10:01 639231621644955316
41 ms 91.206.91.11
23 2026-08-24 09:44 639231611478799259
46 ms 91.206.91.11
22 2026-08-24 08:51 639231579923718211
25 ms 91.206.91.11
21 2026-08-24 08:34 639231569810702936
2022 ms 91.206.91.11
20 2026-08-24 08:17 639231559762411619
106 ms 91.206.91.11
19 2026-08-24 08:01 639231549663595407
7 ms 91.206.91.11
18 2026-08-24 07:08 639231518076817246
44 ms 91.206.91.11
17 2026-08-24 06:52 639231508078650885
2035 ms 91.206.91.11
16 2026-08-24 06:35 639231498210697093
5 ms 91.206.91.11
15 2026-08-24 06:18 639231488109699360
4 ms 91.206.91.11
14 2026-08-24 05:26 639231456772510692
2044 ms 91.206.91.11
13 2026-08-24 05:10 639231447084631185
26 ms 91.206.91.11
12 2026-08-24 04:53 639231437208519473
62 ms 91.206.91.11
11 2026-08-24 04:37 639231427209627490
71 ms 91.206.91.11
10 2026-08-24 03:44 639231395791246644
70 ms 91.206.91.11
9 2026-08-24 03:28 639231386075551458
4026 ms 91.206.91.11
8 2026-08-24 03:12 639231376208713791
55 ms 91.206.91.11
7 2026-08-24 02:55 639231366170589276
16 ms 91.206.91.11
6 2026-08-24 02:03 639231334732159368
27 ms 91.206.91.11
5 2026-08-24 01:46 639231325035670078
44 ms 91.206.91.11
4 2026-08-24 01:30 639231315132253837
2026 ms 91.206.91.11
3 2026-08-24 01:13 639231305014280808
10 ms 91.206.91.11
2 2026-08-24 00:21 639231273779380675
46 ms 91.206.91.11
1 2026-08-24 00:05 639231264180839154
35 ms 91.206.91.11