core04.kr - robtex.com
core04.kr
| DNSSEC | ⚠️ Not signed | ||||||
| A | 3.171.61.9🇺🇸 Amazon3.171.60.0/23 | ||||||
| PTR | server-3-171-61-9.iad61.r.cloudfront.net | ||||||
| A | 3.171.61.50🇺🇸 Amazon3.171.60.0/23 | ||||||
| A | 3.171.61.64🇺🇸 Amazon3.171.60.0/23 | ||||||
| A | 3.171.61.83🇺🇸 Amazon3.171.60.0/23 | ||||||
| NS | ans1.hostcocoa.com ⭐ | ||||||
| A | 205.251.192.117🇺🇸 Amazon205.251.192.0/24 prefix | ||||||
| PTR | ns-117.awsdns-14.com | ||||||
| NS | ans2.hostcocoa.com | ||||||
| A | 205.251.195.46🇺🇸 Amazon205.251.195.0/24 prefix | ||||||
| PTR | ns-814.awsdns-37.net | ||||||
| NS | ans3.hostcocoa.com | ||||||
| A | 205.251.197.133🇺🇸 Amazon205.251.197.0/24 prefix | ||||||
| PTR | ns-1413.awsdns-48.org | ||||||
| NS | ans4.hostcocoa.com | ||||||
| A | 205.251.198.221🇺🇸 Amazon205.251.198.0/24 prefix | ||||||
| PTR | ns-1757.awsdns-27.co.uk | ||||||
| TXT | v=spf1 ip4:52.79.92.223 ~all | ||||||
| SOA | ans1.hostcocoa.comawsdns-hostmaster@amazon.com serial=1 | ||||||
kr
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | g.dns.kr ⭐ 🔒 | ||||||
| NS | b.dns.kr | ||||||
| NS | c.dns.kr 🔒 | ||||||
| NS | d.dns.kr 🔒 | ||||||
| NS | e.dns.kr 🔒 | ||||||
| NS | f.dns.kr 🔒 | ||||||
| SOA | g.dns.krdomain-manager@nic.or.kr serial=2602170528 | ||||||
Same first word
Similar names
DNS History
22 records (8 active, 14 former)
●NSans1.hostcocoa.com2026-02-17 → 2026-02-25 · 3 obs
○ 2018-05-21 08:50:44
● 2026-02-17 04:05:34
● 2026-02-25 23:08:48
● 2026-02-17 04:05:34
● 2026-02-25 23:08:48
●NSans2.hostcocoa.com2026-02-17 → 2026-02-25 · 3 obs
○ 2018-05-21 08:50:44
● 2026-02-17 04:05:34
● 2026-02-25 23:08:48
● 2026-02-17 04:05:34
● 2026-02-25 23:08:48
●NSans3.hostcocoa.com2026-02-17 → 2026-02-25 · 3 obs
○ 2018-05-21 08:50:44
● 2026-02-17 04:05:34
● 2026-02-25 23:08:48
● 2026-02-17 04:05:34
● 2026-02-25 23:08:48
●NSans4.hostcocoa.com2026-02-17 → 2026-02-25 · 3 obs
○ 2018-05-21 08:50:44
● 2026-02-17 04:05:34
● 2026-02-25 23:08:48
● 2026-02-17 04:05:34
● 2026-02-25 23:08:48
○NSns3.makeshop.co.kr2015-05-21 → 2018-05-21 · 4 obs
● 2015-05-21 18:45:02
● 2018-05-21 08:50:44
○ 2026-02-17 04:05:34
○ 2026-02-25 23:08:48
● 2018-05-21 08:50:44
○ 2026-02-17 04:05:34
○ 2026-02-25 23:08:48
○NSns4.makeshop.co.kr2015-05-21 → 2018-05-21 · 4 obs
● 2015-05-21 18:45:02
● 2018-05-21 08:50:44
○ 2026-02-17 04:05:34
○ 2026-02-25 23:08:48
● 2018-05-21 08:50:44
○ 2026-02-17 04:05:34
○ 2026-02-25 23:08:48
○MXdmx-1.naver.com2015-05-21 → 2026-02-17 · 4 obs
● 2015-05-21 18:45:02
● 2026-02-17 04:05:34
○ 2026-02-17 08:51:16
○ 2026-02-25 23:08:48
● 2026-02-17 04:05:34
○ 2026-02-17 08:51:16
○ 2026-02-25 23:08:48
○MXdmx-2.naver.com2015-05-21 → 2026-02-17 · 4 obs
● 2015-05-21 18:45:02
● 2026-02-17 04:05:34
○ 2026-02-17 08:51:16
○ 2026-02-25 23:08:48
● 2026-02-17 04:05:34
○ 2026-02-17 08:51:16
○ 2026-02-25 23:08:48
○A18.164.174.22026-02-17 → 2026-02-25 · 29 obs
○ 2018-05-21 08:50:44
● 2026-02-17 04:05:34
○ 2026-02-17 08:51:16
● 2026-02-17 09:28:42
● 2026-02-18 13:26:48
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● 2026-02-25 12:29:56
○ 2026-02-25 23:08:46
○ 2026-02-25 23:08:48
○A18.164.174.602026-02-17 → 2026-02-25 · 29 obs
○ 2018-05-21 08:50:44
● 2026-02-17 04:05:34
○ 2026-02-17 08:51:16
● 2026-02-17 09:28:42
● 2026-02-18 13:26:48
○ 2026-02-19 00:30:58
● 2026-02-19 01:47:34
● 2026-02-19 15:15:44
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● 2026-02-20 05:29:26
● 2026-02-20 18:08:18
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● 2026-02-21 18:10:16
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● 2026-02-22 22:26:46
○ 2026-02-23 00:35:30
● 2026-02-23 06:32:36
○ 2026-02-23 10:58:00
● 2026-02-23 18:14:58
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● 2026-02-17 04:05:34
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● 2026-02-20 18:08:18
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● 2026-02-24 03:59:00
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○ 2026-02-25 00:28:48
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● 2026-02-25 02:51:40
● 2026-02-25 12:29:56
○ 2026-02-25 23:08:46
○ 2026-02-25 23:08:48
○A18.164.174.692026-02-17 → 2026-02-25 · 29 obs
○ 2018-05-21 08:50:44
● 2026-02-17 04:05:34
○ 2026-02-17 08:51:16
● 2026-02-17 09:28:42
● 2026-02-18 13:26:48
○ 2026-02-19 00:30:58
● 2026-02-19 01:47:34
● 2026-02-19 15:15:44
○ 2026-02-20 01:00:58
● 2026-02-20 05:29:26
● 2026-02-20 18:08:18
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● 2026-02-22 22:26:46
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● 2026-02-23 06:32:36
○ 2026-02-23 10:58:00
● 2026-02-23 18:14:58
● 2026-02-24 03:59:00
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● 2026-02-17 04:05:34
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○A18.164.174.952026-02-17 → 2026-02-25 · 29 obs
○ 2018-05-21 08:50:44
● 2026-02-17 04:05:34
○ 2026-02-17 08:51:16
● 2026-02-17 09:28:42
● 2026-02-18 13:26:48
○ 2026-02-19 00:30:58
● 2026-02-19 01:47:34
● 2026-02-19 15:15:44
○ 2026-02-20 01:00:58
● 2026-02-20 05:29:26
● 2026-02-20 18:08:18
○ 2026-02-21 15:38:54
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● 2026-02-17 04:05:34
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● 2026-02-25 12:29:56
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○A203.238.182.1622015-05-21 → 2015-10-23 · 4 obs
● 2015-05-21 18:45:02
● 2015-10-23 08:39:12
○ 2016-01-23 02:03:56
○ 2026-02-25 23:08:48
● 2015-10-23 08:39:12
○ 2016-01-23 02:03:56
○ 2026-02-25 23:08:48
○A203.238.183.1492016-01-23 → 2018-05-21 · 5 obs
○ 2015-10-23 08:39:12
● 2016-01-23 02:03:56
● 2018-05-21 08:50:44
○ 2026-02-17 04:05:34
○ 2026-02-25 23:08:48
● 2016-01-23 02:03:56
● 2018-05-21 08:50:44
○ 2026-02-17 04:05:34
○ 2026-02-25 23:08:48
○A3.166.65.1232026-02-17 → 2026-02-25 · 23 obs
○ 2026-02-17 04:05:34
● 2026-02-17 08:51:16
○ 2026-02-17 09:28:42
○ 2026-02-18 13:26:48
● 2026-02-19 00:30:58
○ 2026-02-19 01:47:34
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● 2026-02-20 01:00:58
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● 2026-02-22 17:33:58
○ 2026-02-22 22:26:46
● 2026-02-23 00:35:30
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● 2026-02-23 10:58:00
○ 2026-02-23 18:14:58
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● 2026-02-24 12:50:20
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● 2026-02-25 00:28:48
● 2026-02-25 01:23:24
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○A3.166.65.212026-02-17 → 2026-02-25 · 23 obs
○ 2026-02-17 04:05:34
● 2026-02-17 08:51:16
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● 2026-02-19 00:30:58
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○A3.166.65.682026-02-17 → 2026-02-25 · 23 obs
○ 2026-02-17 04:05:34
● 2026-02-17 08:51:16
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○A3.166.65.942026-02-17 → 2026-02-25 · 23 obs
○ 2026-02-17 04:05:34
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●A3.171.61.502026-02-21 → 2026-02-25 · 6 obs
○ 2026-02-20 18:08:18
● 2026-02-21 15:38:54
○ 2026-02-21 18:10:16
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● 2026-02-25 23:08:46
● 2026-02-25 23:08:48
● 2026-02-21 15:38:54
○ 2026-02-21 18:10:16
○ 2026-02-25 12:29:56
● 2026-02-25 23:08:46
● 2026-02-25 23:08:48
●A3.171.61.642026-02-21 → 2026-02-25 · 6 obs
○ 2026-02-20 18:08:18
● 2026-02-21 15:38:54
○ 2026-02-21 18:10:16
○ 2026-02-25 12:29:56
● 2026-02-25 23:08:46
● 2026-02-25 23:08:48
● 2026-02-21 15:38:54
○ 2026-02-21 18:10:16
○ 2026-02-25 12:29:56
● 2026-02-25 23:08:46
● 2026-02-25 23:08:48
●A3.171.61.832026-02-21 → 2026-02-25 · 6 obs
○ 2026-02-20 18:08:18
● 2026-02-21 15:38:54
○ 2026-02-21 18:10:16
○ 2026-02-25 12:29:56
● 2026-02-25 23:08:46
● 2026-02-25 23:08:48
● 2026-02-21 15:38:54
○ 2026-02-21 18:10:16
○ 2026-02-25 12:29:56
● 2026-02-25 23:08:46
● 2026-02-25 23:08:48
●A3.171.61.92026-02-21 → 2026-02-25 · 6 obs
○ 2026-02-20 18:08:18
● 2026-02-21 15:38:54
○ 2026-02-21 18:10:16
○ 2026-02-25 12:29:56
● 2026-02-25 23:08:46
● 2026-02-25 23:08:48
● 2026-02-21 15:38:54
○ 2026-02-21 18:10:16
○ 2026-02-25 12:29:56
● 2026-02-25 23:08:46
● 2026-02-25 23:08:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| kr | b.dns.kr, c.dns.kr, d.dns.kr, e.dns.kr... | - |
| core04.kr | ans1.hostcocoa.com, ans2.hostcocoa.com, ans3.hostcocoa.com, ans4.hostcocoa.com | - |
✅ Authoritative Response
Server: 205.251.192.117
NS records: ans1.hostcocoa.com, ans2.hostcocoa.com, ans3.hostcocoa.com, ans4.hostcocoa.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for core04.kr (unsigned zone)
⏱️ Timing
Total: 1975ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 4 | 3.171.61.83, 3.171.61.9... |
| NS | 4 | ans1.hostcocoa.com, ans2.hostcocoa.com... |
| TXT | 1 | v=spf1 ip4:52.79.92.223 ~all |
| SOA | 1 | ans1.hostcocoa.com awsdns-hostmaster.ama |
AI analysis
Four IP numbers are pointed to by core04.kr: 3.171.61.9, 3.171.61.50, 3.171.61.64 and 3.171.61.83.
other host names including goferzone.com, therefuge-ahealingplace.com, loontao.com, jamespetersarchitecture.com and d3i7955prjqtlk.cloudfront.net share IP numbers with core04.kr.
core04.kr is delegated to four name servers: ans1.hostcocoa.com, ans2.hostcocoa.com, ans3.hostcocoa.com and ans4.hostcocoa.com.
core04.kr at least partially shares name servers with other domains, for instance ithrynfellowship.kr, on-heal.co.kr, aomega.net, 3pointdental.com and jkm591.com.
Host names with one IP number: ans1.hostcocoa.com points to 205.251.192.117; ans2.hostcocoa.com points to 205.251.195.46; ans3.hostcocoa.com points to 205.251.197.133; ans4.hostcocoa.com points to 205.251.198.221.