21ksm.com - robtex.com
21ksm.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 218.145.65.201🇰🇷 KT-NET218.144.0.0/13 KORnet Powered BY Korea Telecom | ||||||
| NS | 21ksm.com ⭐ | ||||||
| A | 218.145.65.201🇰🇷 KT-NET218.144.0.0/13 KORnet Powered BY Korea Telecom | ||||||
| NS | ns.21ksm.com ⚠️ Not in parent delegation | ||||||
| A | 211.63.185.169🇰🇷 KT-NET211.63.128.0/17 KORnet operation Center | ||||||
| NS | ns.cafe24.com ⚠️ Not in zone NS records | ||||||
| A | 112.175.246.226🇰🇷 KT-NET112.168.0.0/13 | ||||||
| A | 112.175.247.226🇰🇷 KT-NET112.168.0.0/13 | ||||||
| A | 175.125.93.135🇰🇷 SKB-NET175.120.0.0/13 SKB summary | ||||||
| A | 175.125.93.145🇰🇷 SKB-NET175.120.0.0/13 SKB summary | ||||||
| NS | ns2.21ksm.com ⚠️ Not in parent delegation | ||||||
| A | 211.63.185.168🇰🇷 KT-NET211.63.128.0/17 KORnet operation Center | ||||||
| NS | ns2.cafe24.com ⚠️ Not in zone NS records | ||||||
| A | 1.226.85.4🇰🇷 SKB-NET1.224.0.0/13 auto-generated route object for 1.224.0.0/13 | ||||||
| A | 1.234.0.4🇰🇷 SKB-NET1.232.0.0/13 auto-generated route object for 1.232.0.0/13 | ||||||
| A | 112.175.11.4🇰🇷 KT-NET112.168.0.0/13 | ||||||
| A | 112.175.12.4🇰🇷 KT-NET112.168.0.0/13 | ||||||
| MX | spam.cafe24.com ⭐ | ||||||
| A | 183.110.229.114🇰🇷 KT-NET183.104.0.0/13 KORNET KOREA TELECOM | ||||||
| TXT | v=spf1 include:spf.cafe24.com ~all | ||||||
| SOA | 21ksm.compostmaster@21ksm.com serial=20041106 | ||||||
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=1778380701 | ||||||
NS for
21ksm.com |
Subdomains
Same first word
21ksm.com |
Similar names
DNS History
9 records (7 active, 2 former)
●NS21ksm.com2015-08-05 → 2026-05-10 · 2 obs
● 2026-05-10 02:49:42
●NSns.21ksm.com2015-08-05 → 2026-05-10 · 2 obs
● 2026-05-10 02:49:42
●NSns.cafe24.com2026-04-15 → 2026-05-10 · 3 obs
● 2026-04-15 19:30:00
● 2026-05-10 02:49:42
●NSns2.21ksm.com2015-08-05 → 2026-05-10 · 2 obs
● 2026-05-10 02:49:42
●NSns2.cafe24.com2026-04-15 → 2026-05-10 · 3 obs
● 2026-04-15 19:30:00
● 2026-05-10 02:49:42
○MXbackupmail-001.cafe24.com2015-08-05 → 2016-07-05 · 4 obs
● 2016-07-05 19:36:26
○ 2017-02-13 12:11:00
○ 2026-05-10 02:49:42
●MXspam.cafe24.com2026-04-15 → 2026-05-10 · 3 obs
● 2026-04-15 19:30:00
● 2026-05-10 02:49:42
○MXwebmail-085.cafe24.com2015-08-05 → 2017-02-13 · 4 obs
● 2017-02-13 12:11:00
○ 2026-04-15 19:30:00
○ 2026-05-10 02:49:42
●A218.145.65.2012015-08-05 → 2026-05-10 · 2 obs
● 2026-05-10 02:49:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| 21ksm.com | ns.cafe24.com, ns2.cafe24.com | 8 records |
✅ Authoritative Response
Server:1.226.85.4
NS records: ns.cafe24.com, ns2.cafe24.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 21ksm.com (unsigned zone)
⏱️ Timing
Total: 717ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 218.145.65.201 |
| NS | 2 | ns2.21ksm.com, ns.21ksm.com |
| MX | 1 | spam.cafe24.com (pri: 10) |
| TXT | 1 | v=spf1 include:spf.cafe24.com ~all |
| SOA | 1 | 21ksm.com postmaster.21ksm.com |
📌 Glue Records Collected
Total: 8
Out-of-bailiwick: 8 (ns.cafe24.com, ns.cafe24.com, ns.cafe24.com...)
Analysis
Hierarchy
21ksm.com is a parent of ns2.21ksm.com and ns.21ksm.com.
Name Server Role
21ksm.com serves as a name server for 21ksm.com.
Together with 21ksm.com, ns.21ksm.com, ns2.21ksm.com and ns2.cafe24.com are commonly used as name servers.
IP Addresses
21ksm.com points to a single IP: 218.145.65.201.
Other host names, for example bamiguna.com, 6vj.com, 45g.com and w-151.cafe24.com share IP numbers with 21ksm.com.
Name Servers
21ksm.com is delegated to five name servers: 21ksm.com, ns2.21ksm.com, ns.21ksm.com, ns2.cafe24.com and ns.cafe24.com.
21ksm.com partially shares name servers with other domains; examples include kspark.co.kr, helpeng.co.kr, egaline.kr, woono.net and hielec.co.kr.
These name servers are often used with ns1.cafe24.com, ns1.cafe24.co.kr, ns2.cafe24.co.kr, ns0.cafe24.com, dns1.cafe24.com, dns2.cafe24.com, dns1.cafe24.co.kr and dns2.cafe24.co.kr.
Host names with four IP numbers:
ns2.cafe24.com points to: 1.226.85.4, 1.234.0.4, 112.175.11.4 and 112.175.12.4.
ns.cafe24.com points to: 112.175.246.226, 112.175.247.226, 175.125.93.135 and 175.125.93.145.
Host names with one IP number:
21ksm.com points to: 218.145.65.201.
ns2.21ksm.com points to: 211.63.185.168.
ns.21ksm.com points to: 211.63.185.169.
Mail Servers
21ksm.com is handled by a single mail server, spam.cafe24.com.
21ksm.com has the same mail server setup as other domains, including hagiinc.com, sunwon.net, matrixsem.com, wssp.co.kr and kcha.or.kr.
21ksm.com shares some mail servers with other domains, at least partially, such as casomall.co.kr, unibell.co.kr, daumac.com, samrait.com and kkits.or.kr.
spam.cafe24.com points to a single IP: 183.110.229.114.