isjava.com - robtex.com
isjava.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 219.118.71.30🇯🇵 InfoSphere219.118.64.0/20 Kai Creates | ||||||
| PTR | parking.hosting-link.ne.jp | ||||||
| NS | usr-ns1.linkclub.jp ⭐ | ||||||
| A | 219.118.70.40🇯🇵 InfoSphere219.118.64.0/20 Kai Creates | ||||||
| PTR | usr-ns1.linkclub.jp | ||||||
| NS | usr-ns2.linkclub.jp | ||||||
| A | 219.118.70.50🇯🇵 InfoSphere219.118.64.0/20 Kai Creates | ||||||
| PTR | usr-ns2.linkclub.jp | ||||||
| TXT | v=spf1 mx ip4:219.118.70.0/23 ip4:219.118.72.0/24 ~all | ||||||
| SOA | usr-ns1.linkclub.jpnsadmin@linkclub.jp serial=1195557610 | ||||||
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=1784873662 | ||||||
Same first word
isjava.com |
Similar names
DNS History
3 records (3 active, 0 former)
●NSusr-ns1.linkclub.jp2015-06-05 → 2026-07-24 · 2 obs
● 2026-07-24 06:41:58
●NSusr-ns2.linkclub.jp2015-06-05 → 2026-07-24 · 2 obs
● 2026-07-24 06:41:58
●A219.118.71.302015-06-05 → 2026-07-24 · 2 obs
● 2026-07-24 06:41:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | c.gtld-servers.net, e.gtld-servers.net, k.gtld-servers.net, m.gtld-servers.net... | - |
| isjava.com | usr-ns1.linkclub.jp, usr-ns2.linkclub.jp | - |
✅ Authoritative Response
Server:219.118.70.50
NS records: usr-ns1.linkclub.jp, usr-ns2.linkclub.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for isjava.com (unsigned zone)
⏱️ Timing
Total: 3989ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 219.118.71.30 |
| NS | 2 | usr-ns2.linkclub.jp, usr-ns1.linkclub.jp |
| TXT | 1 | v=spf1 mx ip4:219.118.70.0/23 ip4:219.11 |
| SOA | 1 | usr-ns1.linkclub.jp nsadmin.linkclub.jp |
Analysis
IP Addresses
isjava.com points to a single IP number: 219.118.71.30.
Additional host names — naaaru.com, kaety.info, satou3.biz and two others — share IP numbers with isjava.com.
Name Servers
isjava.com has two authoritative name servers — usr-ns1.linkclub.jp and usr-ns2.linkclub.jp.
isjava.com shares its name server setup with other domains, including ascom.jp, a-ken.com, tajps.com and two others.
isjava.com has at least partial name server overlap with other domains, such as euclidagency.com, ps-enzo.com, sensor-network.jp and two others.
It is common to find these name servers paired with the name servers pba.linkclub.jp.
usr-ns1.linkclub.jp directs to 219.118.70.40 and usr-ns2.linkclub.jp directs to 219.118.70.50; each host name points to exactly one IP number.