DNS response history for ns421.grserver.gr

ns421.grserver.gr 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 2026-08-22. For this date, NameServerHistory found 74 DNS check records, 70 successful responses, 4 failed responses, and 254 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 ns421.grserver.gr.
Records on Selected Date

74

Historical checks stored for this nameserver on selected date

Average Latency

254 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-22 23:46

All timestamps shown in UTC

Latest Resolved IP on Selected Date

213.158.90.239

Most recently resolved hosting IP on selected date

Successful Responses

70

Checks that returned a measurable response

Failed Responses

4

Checks with no response or no returned latency

Failure Rate

5%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for ns421.grserver.gr

Showing DNS history for 2026-08-22 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
74 2026-08-22 23:46 639230391807229016
4 ms 213.158.90.239
73 2026-08-22 23:30 639230382051619327
5 ms 213.158.90.239
72 2026-08-22 23:14 639230372323353529
5 ms 213.158.90.239
71 2026-08-22 22:58 639230362586451064
5 ms 213.158.90.239
70 2026-08-22 22:41 639230352793666303
36 ms 213.158.90.239
69 2026-08-22 22:25 639230342775737758
5 ms 213.158.90.239
68 2026-08-22 22:08 639230332639939561
10 ms 213.158.90.239
67 2026-08-22 21:15 639230301014190104
8 ms 213.158.90.239
66 2026-08-22 20:59 639230291048161498
37 ms 213.158.90.239
65 2026-08-22 20:42 639230280894353664
2042 ms 213.158.90.239
64 2026-08-22 20:25 639230270699419073
4 ms 213.158.90.239
63 2026-08-22 20:07 639230260248163050
34 ms 213.158.90.239
62 2026-08-22 19:50 639230250122494282
31 ms 213.158.90.239
61 2026-08-22 19:33 639230239972935046
10 ms 213.158.90.239
60 2026-08-22 19:17 639230229963262464
38 ms 213.158.90.239
59 2026-08-22 19:00 639230220033804658
5 ms 213.158.90.239
58 2026-08-22 18:43 639230209891107289
8 ms 213.158.90.239
57 2026-08-22 18:26 639230199630298717
10 ms 213.158.90.239
56 2026-08-22 18:09 639230189301984150
4 ms 213.158.90.239
55 2026-08-22 17:15 639230157138468804
9 ms 213.158.90.239
54 2026-08-22 16:58 639230146987869495
14 ms 213.158.90.239
53 2026-08-22 16:42 639230136768638516
-
52 2026-08-22 16:25 639230126735907877
30 ms 213.158.90.239
51 2026-08-22 16:08 639230116551187768
15 ms 213.158.90.239
50 2026-08-22 15:51 639230106335615913
37 ms 213.158.90.239
49 2026-08-22 15:34 639230096177758176
40 ms 213.158.90.239
48 2026-08-22 15:17 639230086185999993
64 ms 213.158.90.239
47 2026-08-22 15:01 639230076247854903
6 ms 213.158.90.239
46 2026-08-22 14:44 639230066076077530
11 ms 213.158.90.239
45 2026-08-22 14:26 639230055738197328
2046 ms 213.158.90.239
44 2026-08-22 14:09 639230045411225521
68 ms 213.158.90.239
43 2026-08-22 13:15 639230013046000470
62 ms 213.158.90.239
42 2026-08-22 12:59 639230003090037878
18 ms 213.158.90.239
41 2026-08-22 12:42 639229993008259475
2026 ms 213.158.90.239
40 2026-08-22 12:25 639229982909449470
2022 ms 213.158.90.239
39 2026-08-22 12:08 639229973035502212
35 ms 213.158.90.239
38 2026-08-22 11:52 639229963064296145
2023 ms 213.158.90.239
37 2026-08-22 11:35 639229952996162143
21 ms 213.158.90.239
36 2026-08-22 11:18 639229943051949195
4 ms 213.158.90.239
35 2026-08-22 11:02 639229932919214934
86 ms 213.158.90.239
34 2026-08-22 10:45 639229922745889838
17 ms 213.158.90.239
33 2026-08-22 10:28 639229912587214796
4 ms 213.158.90.239
32 2026-08-22 10:11 639229902240004454
16 ms 213.158.90.239
31 2026-08-22 09:18 639229870800501662
4 ms 213.158.90.239
30 2026-08-22 09:02 639229861058384956
5 ms 213.158.90.239
29 2026-08-22 08:45 639229851158592604
7 ms 213.158.90.239
28 2026-08-22 08:29 639229841475569629
31 ms 213.158.90.239
27 2026-08-22 08:13 639229831887658471
30 ms 213.158.90.239
26 2026-08-22 07:57 639229822043670346
4 ms 213.158.90.239
25 2026-08-22 07:41 639229812327913936
45 ms 213.158.90.239
24 2026-08-22 07:24 639229802629488686
4 ms 213.158.90.239
23 2026-08-22 07:09 639229793051447309
19 ms 213.158.90.239
22 2026-08-22 06:52 639229783303531961
25 ms 213.158.90.239
21 2026-08-22 06:36 639229773458051942
4 ms 213.158.90.239
20 2026-08-22 06:19 639229763373848056
3 ms 213.158.90.239
19 2026-08-22 05:27 639229732140622809
34 ms 213.158.90.239
18 2026-08-22 05:11 639229722699695967
35 ms 213.158.90.239
17 2026-08-22 04:55 639229713097498075
38 ms 213.158.90.239
16 2026-08-22 04:39 639229703543969637
80 ms 213.158.90.239
15 2026-08-22 04:23 639229693970392873
51 ms 213.158.90.239
14 2026-08-22 04:07 639229684277329469
12 ms 213.158.90.239
13 2026-08-22 03:51 639229674501596661
-
12 2026-08-22 03:35 639229665064441147
84 ms 213.158.90.239
11 2026-08-22 03:19 639229655507536872
46 ms 213.158.90.239
10 2026-08-22 03:03 639229645849603111
26 ms 213.158.90.239
9 2026-08-22 02:47 639229636090497453
-
8 2026-08-22 02:30 639229625978544281
60 ms 213.158.90.239
7 2026-08-22 01:38 639229594644662176
2032 ms 213.158.90.239
6 2026-08-22 01:22 639229585214633065
2034 ms 213.158.90.239
5 2026-08-22 01:06 639229575581042175
-
4 2026-08-22 00:50 639229565912268962
2018 ms 213.158.90.239
3 2026-08-22 00:34 639229556237813203
35 ms 213.158.90.239
2 2026-08-22 00:18 639229546625802518
5 ms 213.158.90.239
1 2026-08-22 00:02 639229537172016621
24 ms 213.158.90.239