beta.sigma-ed.com - robtex.com
beta.sigma-ed.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 162.43.105.61🇯🇵 XSERVER-AS162.43.0.0/17 XSERVER Inc. | ||||||
| PTR | sv620.xbiz.ne.jp | ||||||
sigma-ed.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 162.43.105.61🇯🇵 XSERVER-AS162.43.0.0/17 XSERVER Inc. | ||||||
| NS | ns1.xbiz.ne.jp ⭐ | ||||||
| NS | ns2.xbiz.ne.jp | ||||||
| NS | ns3.xbiz.ne.jp | ||||||
| MX | sigma-ed.com ⭐ | ||||||
| TXT | v=spf1 +a:sv620.xbiz.ne.jp +a:sigma-ed.com +mx include:spf.sender.xserver.jp ... | ||||||
| SOA | ns1.xbiz.ne.jproot@xbiz.ne.jp serial=0 | ||||||
Same first word
Similar names
DNS History
1 record (1 active, 0 former)
●A162.43.105.612026-03-11 → 2026-04-13 · 2 obs
● 2026-03-11 00:45:32
● 2026-04-13 04:17:00
● 2026-04-13 04:17:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | h.gtld-servers.net, i.gtld-servers.net, j.gtld-servers.net, k.gtld-servers.net... | - |
| sigma-ed.com | ns1.xbiz.ne.jp, ns2.xbiz.ne.jp, ns3.xbiz.ne.jp | - |
✅ Authoritative Response
Server:157.112.182.247
NS records: ns1.xbiz.ne.jp, ns2.xbiz.ne.jp, ns3.xbiz.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sigma-ed.com (unsigned zone)
⏱️ Timing
Total: 1083ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 162.43.105.61 |
Analysis
IP Addresses
beta.sigma-ed.com resolves to a single IP: 162.43.105.61.
Other host names, for instance e-cel.jp, www.e-cel.jp, b-eff.com, sv620.xbiz.ne.jp and secai.jp share IP numbers with beta.sigma-ed.com.