www.co21.jp - robtex.com
www.co21.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 120.136.10.54🇯🇵 XSERVER-AS120.136.8.0/22 XSERVER Inc. | ||||||
| PTR | sv553.xserver.jp | ||||||
co21.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 120.136.10.54🇯🇵 XSERVER-AS120.136.8.0/22 XSERVER Inc. | ||||||
| NS | ns1.xserver.jp ⭐ | ||||||
| NS | ns2.xserver.jp | ||||||
| NS | ns3.xserver.jp | ||||||
| NS | ns4.xserver.jp | ||||||
| NS | ns5.xserver.jp | ||||||
| MX | co21.jp ⭐ | ||||||
| TXT | v=spf1 +a:sv553.xserver.jp +a:co21.jp +mx include:spf.sender.xserver.jp ~all | ||||||
| SOA | ns1.xserver.jproot@sv0.xserver.jp serial=0 | ||||||
Same first word
Similar names
DNS History
1 record (1 active, 0 former)
●A120.136.10.542015-05-02 → 2026-04-11 · 2 obs
● 2015-05-02 14:26:40
● 2026-04-11 17:41:36
● 2026-04-11 17:41:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | e.dns.jp, b.dns.jp, c.dns.jp, f.dns.jp... | - |
| co21.jp | ns5.xserver.jp, ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp... | 11 records |
✅ Authoritative Response
Server:202.226.36.247
NS records: ns5.xserver.jp, ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for co21.jp (unsigned zone)
⏱️ Timing
Total: 903ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 120.136.10.54 |
📌 Glue Records Collected
Total: 11
Out-of-bailiwick: 11 (ns5.xserver.jp, ns5.xserver.jp, ns5.xserver.jp...)
Analysis
IP Addresses
www.co21.jp points to a single IP number: 120.136.10.54.
Other host names, for instance co21.jp, fortunes123.com, lila.co.jp, next2-pr.net and ms-uni.com share IP numbers with www.co21.jp.