jcs-ltd.com - robtex.com
jcs-ltd.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns.jcs-ltd.com ⭐ | ||||||
| A | 211.120.239.238🇯🇵 II-OKINAWA211.120.224.0/20 | ||||||
| NS | ns1.jcs-idc.jp | ||||||
| A | 211.120.239.238🇯🇵 II-OKINAWA211.120.224.0/20 | ||||||
| NS | ns2.jcs-idc.jp | ||||||
| A | 61.200.35.180🇯🇵 GIGAINFRA61.200.0.0/18 BBT-CIDR-BLOCK | ||||||
| MX | mail.jcs-ltd.com ⭐ | ||||||
| A | 211.120.239.234🇯🇵 II-OKINAWA211.120.224.0/20 | ||||||
| TXT | google-site-verification=fgprpefKrbIfyDLRKLCL1pVwDvc4AD9ch8lFiYVwNeQ | ||||||
| TXT | box-domain-verification=eaca3020a51408d1203daf486d8465d565023a5f0c7739b569129... | ||||||
| TXT | v=spf1 a:mail.jcs-ltd.com a:mail2.jcs-ltd.com +ip4:61.200.35.184 ~all | ||||||
| TXT | MS=1D6BAB3861298DF08AB8C953795BF4F5DB218723 | ||||||
| SOA | ns.jcs-ltd.comroot@jcs-ltd.com 2025-12-03 #7 | ||||||
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=1776058567 | ||||||
Subdomains
Same first word
jcs-ltd.com |
Similar names
DNS History
4 records (4 active, 0 former)
●NSns.jcs-ltd.com2015-07-11 → 2026-04-13 · 2 obs
● 2026-04-13 05:56:40
●NSns1.jcs-idc.jp2015-07-11 → 2026-04-13 · 2 obs
● 2026-04-13 05:56:40
●NSns2.jcs-idc.jp2015-07-11 → 2026-04-13 · 2 obs
● 2026-04-13 05:56:40
●MXmail.jcs-ltd.com2015-07-11 → 2026-04-13 · 2 obs
● 2026-04-13 05:56:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| jcs-ltd.com | ns2.jcs-idc.jp, ns1.jcs-idc.jp | - |
✅ Authoritative Response
Server:211.120.239.238
NS records: ns2.jcs-idc.jp, ns1.jcs-idc.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for jcs-ltd.com (unsigned zone)
⏱️ Timing
Total: 1236ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns1.jcs-idc.jp, ns2.jcs-idc.jp |
| MX | 1 | mail.jcs-ltd.com (pri: 10) |
| TXT | 4 | MS=1D6BAB3861298DF08AB8C953795BF4F5DB218, box-domain-verification=eaca3020a51408d1... |
| SOA | 1 | ns.jcs-ltd.com root.jcs-ltd.com |
Analysis
Hierarchy
jcs-ltd.com is parent of www.jcs-ltd.com, ns.jcs-ltd.com, mail2.jcs-ltd.com and mail.jcs-ltd.com.
Name Servers
The delegation for jcs-ltd.com is handled by three name servers: ns.jcs-ltd.com, ns1.jcs-idc.jp and ns2.jcs-idc.jp.
jcs-ltd.com shares name servers with other domains at least partially, for example smart-logi.jp, kosaido.com, miyako-medic.com, darwin-cloud.jp and jcs-demo.info.
These name servers are commonly used with ns.workin.jp, ns.lohasroom.net and ns.jcs-idc.jp.
Host names sharing a single IP:
ns.jcs-ltd.com points to 211.120.239.238
ns1.jcs-idc.jp points to 211.120.239.238
ns2.jcs-idc.jp points to 61.200.35.180
Host names pointing to 211.120.239.238: ns.jcs-ltd.com and ns1.jcs-idc.jp
Mail Servers
jcs-ltd.com is handled by a single mail server, mail.jcs-ltd.com.
mail.jcs-ltd.com points to a single IP: 211.120.239.234.