4uplus.co.kr - robtex.com
4uplus.co.kr
| DNSSEC | ⚠️ Not signed | ||||||
| A | 18.165.98.35🇺🇸 Amazon18.165.96.0/21 | ||||||
| PTR | server-18-165-98-35.iad55.r.cloudfront.net | ||||||
| A | 18.165.98.41🇺🇸 Amazon18.165.96.0/21 | ||||||
| A | 18.165.98.49🇺🇸 Amazon18.165.96.0/21 | ||||||
| A | 18.165.98.67🇺🇸 Amazon18.165.96.0/21 | ||||||
| NS | cns1.hostcocoa.com ⭐ | ||||||
| A | 205.251.196.138🇺🇸 Amazon205.251.196.0/24 prefix | ||||||
| PTR | ns-1162.awsdns-17.org | ||||||
| NS | cns2.hostcocoa.com | ||||||
| A | 205.251.194.81🇺🇸 Amazon205.251.194.0/24 prefix | ||||||
| PTR | ns-593.awsdns-10.net | ||||||
| NS | cns3.hostcocoa.com | ||||||
| A | 205.251.193.7🇺🇸 Amazon205.251.193.0/24 prefix | ||||||
| PTR | ns-263.awsdns-32.com | ||||||
| NS | cns4.hostcocoa.com | ||||||
| A | 205.251.199.181🇺🇸 Amazon205.251.199.0/24 prefix | ||||||
| PTR | ns-1973.awsdns-54.co.uk | ||||||
| TXT | v=spf1 ip4:52.79.92.223 ~all | ||||||
| SOA | cns1.hostcocoa.comawsdns-hostmaster@amazon.com serial=1 | ||||||
co.kr
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | g.dns.kr ⭐ ⚠️ Not in parent delegation 🔒 | ||||||
| NS | b.dns.kr ⚠️ Not in parent delegation | ||||||
| NS | c.dns.kr ⚠️ Not in parent delegation 🔒 | ||||||
| NS | d.dns.kr ⚠️ Not in parent delegation 🔒 | ||||||
| NS | e.dns.kr ⚠️ Not in parent delegation 🔒 | ||||||
| NS | f.dns.kr ⚠️ Not in parent delegation 🔒 | ||||||
| SOA | g.dns.krdomain-manager@nic.or.kr serial=2602170541 | ||||||
Same first word
Similar names
plus4u.info |
plus4u.cz |
plus4u.net |
plus4u.in |
puls4u.com |
plus4u.sk |
plus4u.gr |
plus4u.name |
4lupus.org |
plus4u.biz |
plus4u.de |
puls4u.de |
plus4u.nl |
plus4u.com |
plus4u.eu |
plus4u.com.br |
DNS History
20 records (8 active, 12 former)
●NScns1.hostcocoa.com2026-02-22 → 2026-03-09 · 2 obs
● 2026-02-22 00:22:20
● 2026-03-09 12:17:10
● 2026-03-09 12:17:10
●NScns2.hostcocoa.com2026-02-22 → 2026-03-09 · 2 obs
● 2026-02-22 00:22:20
● 2026-03-09 12:17:10
● 2026-03-09 12:17:10
●NScns3.hostcocoa.com2026-02-22 → 2026-03-09 · 2 obs
● 2026-02-22 00:22:20
● 2026-03-09 12:17:10
● 2026-03-09 12:17:10
●NScns4.hostcocoa.com2026-02-22 → 2026-03-09 · 2 obs
● 2026-02-22 00:22:20
● 2026-03-09 12:17:10
● 2026-03-09 12:17:10
●A18.165.98.352026-02-22 → 2026-03-09 · 40 obs
● 2026-02-22 00:22:20
● 2026-02-24 09:41:06
○ 2026-02-25 00:55:54
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● 2026-03-09 12:17:10
●A18.165.98.412026-02-22 → 2026-03-09 · 40 obs
● 2026-02-22 00:22:20
● 2026-02-24 09:41:06
○ 2026-02-25 00:55:54
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● 2026-03-09 12:17:10
●A18.165.98.492026-02-22 → 2026-03-09 · 40 obs
● 2026-02-22 00:22:20
● 2026-02-24 09:41:06
○ 2026-02-25 00:55:54
● 2026-02-25 04:05:20
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●A18.165.98.672026-02-22 → 2026-03-09 · 40 obs
● 2026-02-22 00:22:20
● 2026-02-24 09:41:06
○ 2026-02-25 00:55:54
● 2026-02-25 04:05:20
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○A18.238.80.1062026-03-09 → 2026-03-09 · 4 obs
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○A18.238.80.1262026-03-09 → 2026-03-09 · 4 obs
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○A18.238.80.252026-03-09 → 2026-03-09 · 4 obs
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○A18.238.80.592026-03-09 → 2026-03-09 · 4 obs
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○A18.244.179.142026-02-25 → 2026-03-09 · 53 obs
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○A18.244.179.192026-02-25 → 2026-03-09 · 53 obs
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○A18.244.179.532026-02-25 → 2026-03-09 · 53 obs
○ 2026-02-25 04:05:20
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○A18.244.179.622026-02-25 → 2026-03-09 · 53 obs
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○A52.84.20.1062026-02-25 → 2026-03-09 · 41 obs
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○A52.84.20.1242026-02-25 → 2026-03-09 · 41 obs
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○A52.84.20.522026-02-25 → 2026-03-09 · 41 obs
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○A52.84.20.72026-02-25 → 2026-03-09 · 41 obs
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● 2026-03-01 13:26:02
● 2026-03-01 23:18:04
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● 2026-03-02 06:50:34
○ 2026-03-02 08:31:26
○ 2026-03-03 01:00:48
● 2026-03-03 08:17:54
● 2026-03-03 11:03:00
○ 2026-03-04 06:43:58
○ 2026-03-04 13:50:06
● 2026-03-04 21:14:56
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● 2026-03-06 20:45:50
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● 2026-03-09 05:56:42
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🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| kr | b.dns.kr, c.dns.kr, d.dns.kr, e.dns.kr... | 10 records |
| 4uplus.co.kr | cns1.hostcocoa.com, cns2.hostcocoa.com, cns3.hostcocoa.com, cns4.hostcocoa.com | - |
✅ Authoritative Response
Server: 205.251.196.138
NS records: cns1.hostcocoa.com, cns2.hostcocoa.com, cns3.hostcocoa.com, cns4.hostcocoa.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 4uplus.co.kr (unsigned zone)
⏱️ Timing
Total: 1206ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 4 | 18.165.98.35, 18.165.98.67... |
| NS | 4 | cns1.hostcocoa.com, cns2.hostcocoa.com... |
| TXT | 1 | v=spf1 ip4:52.79.92.223 ~all |
| SOA | 1 | cns1.hostcocoa.com awsdns-hostmaster.ama |
📌 Glue Records Collected
Total: 10
In-bailiwick: 10 (b.dns.kr, c.dns.kr, d.dns.kr...)
Analysis
IP Addresses
4uplus.co.kr maps to four IP numbers: 18.165.98.35, 18.165.98.41, 18.165.98.49 and 18.165.98.67.
Other host names, for instance kgkallare.se, partner.portal.theitsolutions.io, one.fullsail.edu, masnatacion.com and ganheionline.com share IP numbers with 4uplus.co.kr.
Name Servers
4uplus.co.kr is delegated to four name servers: cns1.hostcocoa.com, cns2.hostcocoa.com, cns3.hostcocoa.com and cns4.hostcocoa.com.
4uplus.co.kr at least partially shares name servers with other domains such as automan.co.kr, optima-japan.jp, bartooler.com, hyvision.co.kr and familyent.co.kr.
Host names with one IP number:
cns1.hostcocoa.com points to: 205.251.196.138
cns2.hostcocoa.com points to: 205.251.194.81
cns3.hostcocoa.com points to: 205.251.193.7
cns4.hostcocoa.com points to: 205.251.199.181