kocaf.com - robtex.com
kocaf.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.hmandoo.co.kr ⚠️ Not in zone NS records | ||||||
| A | 221.139.49.17🇰🇷 SKB-NET221.138.0.0/15 SK Broadband | ||||||
| NS | ns2.hmandoo.co.kr ⚠️ Not in zone NS records | ||||||
| A | 121.125.73.38🇰🇷 SKB-NET121.125.0.0/16 SK Broadband | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1783266146 | ||||||
Previously NS for
kocaf.com |
Previously MX for
kocaf.com |
Same first word
kocaf.com |
Similar names
DNS History
12 records (2 active, 10 former)
○NScns1.simplexi.com2015-07-14 → 2016-06-30 · 4 obs
● 2016-06-30 12:51:50
○ 2017-02-13 21:50:56
○ 2026-07-05 15:43:06
○NScns2.simplexi.com2015-07-14 → 2016-06-30 · 4 obs
● 2016-06-30 12:51:50
○ 2017-02-13 21:50:56
○ 2026-07-05 15:43:06
○NSkocaf.com2015-07-14 → 2016-06-30 · 4 obs
● 2016-06-30 12:51:50
○ 2017-02-13 21:50:56
○ 2026-07-05 15:43:06
●NSns1.hmandoo.co.kr2026-07-01 → 2026-07-05 · 3 obs
● 2026-07-01 01:36:54
● 2026-07-05 15:43:06
○NSns1.nurihosting.com2017-02-13 → 2020-01-11 · 5 obs
● 2017-02-13 21:50:56
● 2020-01-11 10:04:22
○ 2026-07-01 01:36:54
○ 2026-07-05 15:43:06
●NSns2.hmandoo.co.kr2026-07-01 → 2026-07-05 · 3 obs
● 2026-07-01 01:36:54
● 2026-07-05 15:43:06
○NSns2.nurihosting.com2017-02-13 → 2020-01-11 · 5 obs
● 2017-02-13 21:50:56
● 2020-01-11 10:04:22
○ 2026-07-01 01:36:54
○ 2026-07-05 15:43:06
○MXkocaf.com2015-07-14 → 2016-06-30 · 4 obs
● 2016-06-30 12:51:50
○ 2017-02-13 21:50:56
○ 2026-07-05 15:43:06
○MXmail.kocaf.com2017-02-13 → 2020-01-11 · 5 obs
● 2017-02-13 21:50:56
● 2020-01-11 10:04:22
○ 2026-07-01 01:36:54
○ 2026-07-05 15:43:06
○A175.126.62.1782015-07-14 → 2016-06-30 · 4 obs
● 2016-06-30 12:51:50
○ 2017-02-13 21:50:56
○ 2026-07-05 15:43:06
○A218.237.67.2472017-02-13 → 2017-02-13 · 4 obs
● 2017-02-13 21:50:56
○ 2020-01-11 10:04:22
○ 2026-07-05 15:43:06
○A221.139.49.52020-01-11 → 2020-01-11 · 4 obs
● 2020-01-11 10:04:22
○ 2026-07-01 01:36:54
○ 2026-07-05 15:43:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| kocaf.com | ns1.hmandoo.co.kr, ns2.hmandoo.co.kr | - |
✅ Authoritative Response
Server:121.125.73.38
NS records: ns1.hmandoo.co.kr, ns2.hmandoo.co.kr
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for kocaf.com (unsigned zone)
⏱️ Timing
Total: 1147ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
Analysis
Name Servers
The NS records for kocaf.com delegate to ns1.hmandoo.co.kr and ns2.hmandoo.co.kr.
kocaf.com has name servers in common with other domains; jwenc.net is one such domain.
At least some of kocaf.com's name servers are shared with other domains, for example canfire.co.kr, grhomefix.com, etakorea.co.kr and two more.
These name servers tend to be deployed in combination with the name servers ns1.nurihosting.com and ns1.aramschool.co.kr.
Each of ns1.hmandoo.co.kr and ns2.hmandoo.co.kr has one IP address: ns1.hmandoo.co.kr uses 221.139.49.17 and ns2.hmandoo.co.kr uses 121.125.73.38.