DNS response history for ns1.catb.kr

ns1.catb.kr 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 64 DNS check records, 63 successful responses, 1 failed responses, and 1465 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.catb.kr.
Records on Selected Date

64

Historical checks stored for this nameserver on selected date

Average Latency

1465 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-26 21:23

All timestamps shown in UTC

Latest Resolved IP on Selected Date

211.219.215.12

Most recently resolved hosting IP on selected date

Successful Responses

63

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 ns1.catb.kr

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
64 2026-08-26 21:23 639233752543876329
594 ms 211.219.215.12
63 2026-08-26 21:06 639233742155931788
1495 ms 211.219.215.12
62 2026-08-26 20:48 639233731712555311
650 ms 211.219.215.12
61 2026-08-26 20:31 639233721164051126
1724 ms 211.219.215.12
60 2026-08-26 20:13 639233710560486320
870 ms 211.219.215.12
59 2026-08-26 19:56 639233699834667450
289 ms 211.219.215.12
58 2026-08-26 19:01 639233667209186136
1736 ms 211.219.215.12
57 2026-08-26 18:43 639233656814316266
1475 ms 211.219.215.12
56 2026-08-26 18:26 639233646245051806
588 ms 211.219.215.12
55 2026-08-26 18:08 639233635663779051
434 ms 211.219.215.12
54 2026-08-26 17:51 639233624977342122
287 ms 211.219.215.12
53 2026-08-26 17:33 639233614446136153
295 ms 211.219.215.12
52 2026-08-26 17:15 639233603737877581
288 ms 211.219.215.12
51 2026-08-26 16:58 639233593269224651
880 ms 211.219.215.12
50 2026-08-26 16:40 639233582635086903
1746 ms 211.219.215.12
49 2026-08-26 16:22 639233572000374575
605 ms 211.219.215.12
48 2026-08-26 16:04 639233561188633861
1752 ms 211.219.215.12
47 2026-08-26 15:47 639233550544357027
1759 ms 211.219.215.12
46 2026-08-26 14:52 639233517966053117
1173 ms 211.219.215.12
45 2026-08-26 14:35 639233507603253585
1772 ms 211.219.215.12
44 2026-08-26 14:17 639233497229039167
1755 ms 211.219.215.12
43 2026-08-26 14:00 639233486864546406
1763 ms 211.219.215.12
42 2026-08-26 13:43 639233476455174682
1744 ms 211.219.215.12
41 2026-08-26 13:25 639233466171592605
1746 ms 211.219.215.12
40 2026-08-26 13:08 639233455747096265
1761 ms 211.219.215.12
39 2026-08-26 12:51 639233445367152284
1171 ms 211.219.215.12
38 2026-08-26 12:34 639233434974187439
1752 ms 211.219.215.12
37 2026-08-26 12:16 639233424567558554
1914 ms 211.219.215.12
36 2026-08-26 11:59 639233414056832719
1749 ms 211.219.215.12
35 2026-08-26 11:41 639233403515141099
1729 ms 211.219.215.12
34 2026-08-26 10:47 639233370841350248
1761 ms 211.219.215.12
33 2026-08-26 10:29 639233360361507238
1175 ms 211.219.215.12
32 2026-08-26 10:12 639233350067824371
1753 ms 211.219.215.12
31 2026-08-26 09:55 639233339545274518
1734 ms 211.219.215.12
30 2026-08-26 09:37 639233329214918079
-
29 2026-08-26 09:20 639233318749762337
1740 ms 211.219.215.12
28 2026-08-26 09:03 639233308387917838
1796 ms 211.219.215.12
27 2026-08-26 08:45 639233297961740122
1978 ms 211.219.215.12
26 2026-08-26 08:28 639233287487159094
1768 ms 211.219.215.12
25 2026-08-26 08:11 639233276995531707
1170 ms 211.219.215.12
24 2026-08-26 07:53 639233266521568229
1738 ms 211.219.215.12
23 2026-08-26 07:35 639233256081047431
1163 ms 211.219.215.12
22 2026-08-26 06:41 639233223620132921
1737 ms 211.219.215.12
21 2026-08-26 06:24 639233213287814244
1774 ms 211.219.215.12
20 2026-08-26 06:07 639233202925983161
1728 ms 211.219.215.12
19 2026-08-26 05:50 639233192644780696
1765 ms 211.219.215.12
18 2026-08-26 05:32 639233182401183833
1748 ms 211.219.215.12
17 2026-08-26 05:15 639233172074181051
1590 ms 211.219.215.12
16 2026-08-26 04:58 639233161808421455
1750 ms 211.219.215.12
15 2026-08-26 04:41 639233151357344052
1552 ms 211.219.215.12
14 2026-08-26 04:24 639233141034116946
1727 ms 211.219.215.12
13 2026-08-26 04:06 639233130828334142
1751 ms 211.219.215.12
12 2026-08-26 03:49 639233120373450007
1747 ms 211.219.215.12
11 2026-08-26 03:32 639233110066216193
1742 ms 211.219.215.12
10 2026-08-26 02:39 639233078065410564
1555 ms 211.219.215.12
9 2026-08-26 02:22 639233067787457832
1730 ms 211.219.215.12
8 2026-08-26 02:04 639233057501801162
1732 ms 211.219.215.12
7 2026-08-26 01:47 639233047089431703
1157 ms 211.219.215.12
6 2026-08-26 01:30 639233036754790688
1730 ms 211.219.215.12
5 2026-08-26 01:13 639233026412602472
1752 ms 211.219.215.12
4 2026-08-26 00:55 639233016064066127
1734 ms 211.219.215.12
3 2026-08-26 00:38 639233005922655772
1744 ms 211.219.215.12
2 2026-08-26 00:21 639232995672256907
1751 ms 211.219.215.12
1 2026-08-26 00:04 639232985300872416
1532 ms 211.219.215.12