class-plus.jp - robtex.com
class-plus.jp
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns01.idcfcloud.com ⭐ | ||||||
| A | 210.140.183.89🇯🇵 IDC210.140.128.0/18 Frontier Inc. | ||||||
| NS | ns02.idcfcloud.com | ||||||
| A | 211.10.28.207🇯🇵 IDC211.10.0.0/19 Frontier Inc. | ||||||
| NS | ns03.idcfcloud.com | ||||||
| A | 202.230.203.7🇯🇵 IDC202.230.200.0/22 Frontier Inc. | ||||||
| TXT | google-site-verification=AQ8J66u_XUnLE32iHU9518iDJcTYnLe3WxnqFETceu4 | ||||||
| SOA | ns01.idcfcloud.comyuki@freemind.co.jp serial=19 | ||||||
jp
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | z.dns.jp ⭐ | ||||||
| NS | a.dns.jp | ||||||
| NS | b.dns.jp | ||||||
| NS | c.dns.jp | ||||||
| NS | d.dns.jp | ||||||
| NS | e.dns.jp | ||||||
| NS | f.dns.jp | ||||||
| NS | g.dns.jp | ||||||
| NS | h.dns.jp | ||||||
| SOA | z.dns.jproot@dns.jp serial=1778467502 | ||||||
Subdomains
www.class-plus.jp |
Same first word
class-plus.jp |
Similar names
DNS History
6 records (3 active, 3 former)
●NSns01.idcfcloud.com2026-05-11 → 2026-05-11 · 2 obs
○ 2018-05-07 19:04:08
● 2026-05-11 03:15:54
● 2026-05-11 03:15:54
●NSns02.idcfcloud.com2026-05-11 → 2026-05-11 · 2 obs
○ 2018-05-07 19:04:08
● 2026-05-11 03:15:54
● 2026-05-11 03:15:54
●NSns03.idcfcloud.com2026-05-11 → 2026-05-11 · 2 obs
○ 2018-05-07 19:04:08
● 2026-05-11 03:15:54
● 2026-05-11 03:15:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, h.dns.jp, e.dns.jp, g.dns.jp... | - |
| class-plus.jp | ns01.idcfcloud.com, ns02.idcfcloud.com, ns03.idcfcloud.com | - |
✅ Authoritative Response
Server:202.230.203.7
NS records: ns01.idcfcloud.com, ns02.idcfcloud.com, ns03.idcfcloud.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for class-plus.jp (unsigned zone)
⏱️ Timing
Total: 1406ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 3 | ns03.idcfcloud.com, ns01.idcfcloud.com... |
| TXT | 1 | google-site-verification=AQ8J66u_XUnLE32 |
| SOA | 1 | ns01.idcfcloud.com yuki.freemind.co.jp |
Analysis
Hierarchy
The parent of www.class-plus.jp is class-plus.jp.
Name Servers
The domain class-plus.jp is delegated to three name servers: ns01.idcfcloud.com, ns02.idcfcloud.com and ns03.idcfcloud.com.
class-plus.jp shares name servers with other domains at least partially, for instance ict.ad.jp, smz-products.co.jp, karou.jp, 227.236.210.in-addr.arpa and houkou-onchi.com.
Host names with a single IP number:
ns01.idcfcloud.com points to 210.140.183.89.
ns02.idcfcloud.com points to 211.10.28.207.
ns03.idcfcloud.com points to 202.230.203.7.