ns1.nbtec.jp - robtex.com
ns1.nbtec.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 133.18.122.210🇯🇵 KAGOYAJAPAN133.18.0.0/16 KAGOYA Japan Inc. | ||||||
| PTR | sv.crowla.jp | ||||||
nbtec.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 133.18.122.210🇯🇵 KAGOYAJAPAN133.18.0.0/16 KAGOYA Japan Inc. | ||||||
| NS | ns1.crowla.jp ⭐ | ||||||
| NS | ns2.crowla.jp | ||||||
| MX | mail.nbtec.jp ⭐ | ||||||
| TXT | v=spf1 +a +mx +a:sv.crowla.jp -all | ||||||
| SOA | ns1.crowla.jpwebmaster@sarafie.co.jp 2026-04-06 #2 | ||||||
Same first word
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🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | g.dns.jp, d.dns.jp, c.dns.jp, b.dns.jp... | - |
| nbtec.jp | ns1.crowla.jp, ns2.crowla.jp | 2 records |
✅ Authoritative Response
Server:133.18.122.210
NS records: ns1.crowla.jp, ns2.crowla.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for nbtec.jp (unsigned zone)
⏱️ Timing
Total: 898ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 133.18.122.210 |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.crowla.jp, ns2.crowla.jp)
Analysis
IP Addresses
ns1.nbtec.jp points to a single IP number: 133.18.122.210.
other host names for instance sv.crowla.jp, ns1.soudan-center.com, ns2.vivant-kikkodai.com, nbtec.jp and yawataen.com share IP numbers with ns1.nbtec.jp.