DNS response history for ns1.sofiamail.net

ns1.sofiamail.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 2026-08-20. For this date, NameServerHistory found 57 DNS check records, 57 successful responses, 0 failed responses, and 507 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.sofiamail.net.
Records on Selected Date

57

Historical checks stored for this nameserver on selected date

Average Latency

507 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-20 23:13

All timestamps shown in UTC

Latest Resolved IP on Selected Date

51.15.128.156

Most recently resolved hosting IP on selected date

Successful Responses

57

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.sofiamail.net

Showing DNS history for 2026-08-20 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
57 2026-08-20 23:13 639228639850033448
63 ms 51.15.128.156
56 2026-08-20 22:57 639228630204271870
470 ms 51.15.128.156
55 2026-08-20 22:40 639228620295091135
282 ms 51.15.128.156
54 2026-08-20 22:24 639228610298336915
402 ms 51.15.128.156
53 2026-08-20 21:31 639228578917047616
30 ms 51.15.128.156
52 2026-08-20 21:15 639228569046445709
31 ms 51.15.128.156
51 2026-08-20 20:58 639228558946830986
221 ms 51.15.128.156
50 2026-08-20 20:41 639228548977359217
50 ms 51.15.128.156
49 2026-08-20 19:49 639228517494157668
2009 ms 51.15.128.156
48 2026-08-20 19:32 639228507374116892
26 ms 51.15.128.156
47 2026-08-20 19:15 639228497315154893
240 ms 51.15.128.156
46 2026-08-20 18:59 639228487287648341
3188 ms 51.15.128.156
45 2026-08-20 18:06 639228455828123788
265 ms 51.15.128.156
44 2026-08-20 17:50 639228445900082244
34 ms 51.15.128.156
43 2026-08-20 17:33 639228435866352323
25 ms 51.15.128.156
42 2026-08-20 17:16 639228425802273151
194 ms 51.15.128.156
41 2026-08-20 16:23 639228393616324230
264 ms 51.15.128.156
40 2026-08-20 16:06 639228383590408693
7 ms 51.15.128.156
39 2026-08-20 15:49 639228373471467474
298 ms 51.15.128.156
38 2026-08-20 15:32 639228363426647311
7 ms 51.15.128.156
37 2026-08-20 14:39 639228331681701910
310 ms 51.15.128.156
36 2026-08-20 14:22 639228321714746824
283 ms 51.15.128.156
35 2026-08-20 14:06 639228311652090262
29 ms 51.15.128.156
34 2026-08-20 13:49 639228301670088587
379 ms 51.15.128.156
33 2026-08-20 12:56 639228269987976710
68 ms 51.15.128.156
32 2026-08-20 12:40 639228260009452308
292 ms 51.15.128.156
31 2026-08-20 12:23 639228249661740894
2218 ms 51.15.128.156
30 2026-08-20 12:06 639228239552680346
36 ms 51.15.128.156
29 2026-08-20 11:12 639228207667580819
274 ms 51.15.128.156
28 2026-08-20 10:56 639228197494011560
74 ms 51.15.128.156
27 2026-08-20 10:39 639228187497039939
410 ms 51.15.128.156
26 2026-08-20 10:22 639228177408432646
191 ms 51.15.128.156
25 2026-08-20 09:30 639228146356166262
34 ms 51.15.128.156
24 2026-08-20 09:14 639228136541505712
31 ms 51.15.128.156
23 2026-08-20 08:57 639228126519136598
2032 ms 51.15.128.156
22 2026-08-20 08:41 639228116537148885
355 ms 51.15.128.156
21 2026-08-20 07:48 639228085320764351
476 ms 51.15.128.156
20 2026-08-20 07:32 639228075444604839
2036 ms 51.15.128.156
19 2026-08-20 07:16 639228065615498985
8 ms 51.15.128.156
18 2026-08-20 06:59 639228055675321422
84 ms 51.15.128.156
17 2026-08-20 06:07 639228024230839396
8 ms 51.15.128.156
16 2026-08-20 05:51 639228014720406505
4010 ms 51.15.128.156
15 2026-08-20 05:35 639228004930827030
4 ms 51.15.128.156
14 2026-08-20 05:18 639227995103340154
27 ms 51.15.128.156
13 2026-08-20 04:26 639227963811374894
26 ms 51.15.128.156
12 2026-08-20 04:10 639227954132571365
212 ms 51.15.128.156
11 2026-08-20 03:54 639227944541208342
9 ms 51.15.128.156
10 2026-08-20 03:37 639227934657213484
15 ms 51.15.128.156
9 2026-08-20 02:46 639227903628145469
374 ms 51.15.128.156
8 2026-08-20 02:30 639227893995483475
208 ms 51.15.128.156
7 2026-08-20 02:14 639227884280244209
2011 ms 51.15.128.156
6 2026-08-20 01:57 639227874371147132
2008 ms 51.15.128.156
5 2026-08-20 01:05 639227843224256432
41 ms 51.15.128.156
4 2026-08-20 00:49 639227833720403506
179 ms 51.15.128.156
3 2026-08-20 00:33 639227824170728278
2014 ms 51.15.128.156
2 2026-08-20 00:18 639227814865867570
7 ms 51.15.128.156
1 2026-08-20 00:02 639227805445376839
22 ms 51.15.128.156