jtwosemi.com - robtex.com
jtwosemi.com
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=1771291435 | ||||||
NS for
jtwosemi.com |
Subdomains
www.jtwosemi.com |
Same first word
jtwosemi.com |
Similar names
DNS History
10 records (8 active, 2 former)
●NSjtwosemi.com2015-05-16 → 2026-03-22 · 2 obs
● 2026-03-22 15:50:50
●NSns1.cafe24.co.kr2015-05-16 → 2026-03-22 · 2 obs
● 2026-03-22 15:50:50
●NSns1.cafe24.com2015-05-16 → 2026-03-22 · 2 obs
● 2026-03-22 15:50:50
●NSns2.cafe24.co.kr2015-05-16 → 2026-03-22 · 2 obs
● 2026-03-22 15:50:50
●NSns2.cafe24.com2015-05-16 → 2026-03-22 · 2 obs
● 2026-03-22 15:50:50
○MXaspmx1.naver.com2015-05-16 → 2018-01-06 · 4 obs
● 2018-01-06 21:29:52
○ 2026-03-09 13:21:12
○ 2026-03-22 15:50:50
○MXaspmx2.naver.com2015-05-16 → 2018-01-06 · 4 obs
● 2018-01-06 21:29:52
○ 2026-03-09 13:21:12
○ 2026-03-22 15:50:50
●MXkr1-aspmx1.worksmobile.com2026-03-09 → 2026-03-22 · 3 obs
● 2026-03-09 13:21:12
● 2026-03-22 15:50:50
●MXkr1-aspmx2.worksmobile.com2026-03-09 → 2026-03-22 · 3 obs
● 2026-03-09 13:21:12
● 2026-03-22 15:50:50
●A183.111.174.252015-05-16 → 2026-03-22 · 2 obs
● 2026-03-22 15:50:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | g.gtld-servers.net, a.gtld-servers.net, l.gtld-servers.net, m.gtld-servers.net... | - |
| jtwosemi.com | ns2.cafe24.com, ns1.cafe24.com, ns2.cafe24.co.kr, ns1.cafe24.co.kr | 9 records |
✅ Authoritative Response
Server: 112.175.247.233
NS records: ns2.cafe24.com, ns1.cafe24.com, ns2.cafe24.co.kr, ns1.cafe24.co.kr
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for jtwosemi.com (unsigned zone)
⏱️ Timing
Total: 1297ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 183.111.174.25 |
| NS | 4 | ns2.cafe24.com, ns1.cafe24.com... |
| MX | 2 | kr1-aspmx2.worksmobile.com (pri: 20), kr1-aspmx1.worksmobile.com (pri: 10) |
| TXT | 1 | v=spf1 ip4:183.111.174.25 ~all |
| SOA | 1 | jtwosemi.com postmaster.jtwosemi.com |
📌 Glue Records Collected
Total: 9
Out-of-bailiwick: 9 (ns2.cafe24.com, ns2.cafe24.com, ns2.cafe24.com...)
Analysis
Hierarchy
The parent of www.jtwosemi.com is jtwosemi.com.
Name Server Role
jtwosemi.com serves as a name server for jtwosemi.com.
Together with jtwosemi.com, ns1.cafe24.com, ns2.cafe24.com and ns1.cafe24.co.kr are commonly used as name servers.
IP Addresses
jtwosemi.com points to a single IP: 183.111.174.25.
Other host names, for instance bycamping.co.kr, feelart.kr, ssin.kr, sm-eye.com and storemax.co.kr share IP numbers with jtwosemi.com.
Name Servers
jtwosemi.com is delegated to five name servers: jtwosemi.com, ns1.cafe24.com, ns2.cafe24.com, ns1.cafe24.co.kr and ns2.cafe24.co.kr.
jtwosemi.com partially shares name servers with other domains; examples include yjctm.com, safe-s.co.kr, ykmoist.com, grplan.com and 3pccc.com.
These name servers are often used with dns1.cafe24.com, dns2.cafe24.com, dns1.cafe24.co.kr, dns2.cafe24.co.kr, ns.cafe24.com, ns0.cafe24.com, ns1.cafe24dns.co.kr and ns3.cafe24dns.co.kr.
Five-IP host names: ns1.cafe24.com points to: 112.175.246.230, 112.175.246.231, 116.126.143.242, 175.125.93.134 and 175.125.93.135.
Four-IP host names: ns2.cafe24.com points to: 1.226.85.4, 1.234.0.4, 112.175.11.4 and 112.175.12.4. ns1.cafe24.co.kr points to: 112.175.246.232, 112.175.246.233, 175.125.93.136 and 175.125.93.137. ns2.cafe24.co.kr points to: 112.175.247.232, 112.175.247.233, 175.125.93.146 and 175.125.93.147.
One-IP host names: jtwosemi.com points to: 183.111.174.25.
Mail Servers
jtwosemi.com is handled by two mail servers: kr1-aspmx1.worksmobile.com and kr1-aspmx2.worksmobile.com.
jtwosemi.com has the same mail server setup as other domains, including quasarzone.com, rainbowbook.co.kr, secura.co.kr, umji.net and woorijeju-sangjo.co.kr.
jtwosemi.com shares some mail servers with other domains, at least partially, such as g-disk.co.kr, findkapoor.com, fantalooks.com, earthtory.com and hanadg.com.
Host names with one IP number
Host name kr1-aspmx1.worksmobile.com points to 125.209.209.251
Host name kr1-aspmx2.worksmobile.com points to 125.209.209.251
Host names that point to 125.209.209.251: kr1-aspmx1.worksmobile.com and kr1-aspmx2.worksmobile.com