optimaljsc.com - robtex.com
optimaljsc.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 202.92.4.46🇻🇳 VNPT-AS-VN202.92.4.0/22 INET-VN | ||||||
| PTR | nethost-2011.inet.vn | ||||||
| NS | ns-master.inet.vn ⭐ | ||||||
| A | 202.92.4.8🇻🇳 VNPT-AS-VN202.92.4.0/22 INET-VN | ||||||
| NS | ns1.inet.vn | ||||||
| A | 2001:df7:ce00:1::7🇻🇳 VNPT-AS-VN2001:df7:ce00::/48 INETSOFT-VN Inet software one member company limited | ||||||
| A | 202.92.4.25🇻🇳 VNPT-AS-VN202.92.4.0/22 INET-VN | ||||||
| NS | ns2.inet.vn | ||||||
| A | 2401:5f80:2001:4::30🇻🇳 VTDC-AS-VN2401:5f80:2000::/36 VTDC-VN | ||||||
| A | 210.211.99.38🇻🇳 VTDC-AS-VN210.211.99.0/24 Proxy-registered route object | ||||||
| NS | ns3.inet.vn ⚠️ Not in parent delegation | ||||||
| A | 2401:5f80:4001:4::14🇻🇳 VTDC-AS-VN2401:5f80:4000::/36 VTDC-VN | ||||||
| A | 203.113.174.42🇻🇳 VTDC-AS-VN203.113.174.0/23 VIETTEL-VN | ||||||
| SOA | ns-master.inet.vnpostmaster@inet.vn 2015-07-28 #0 | ||||||
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=1778354921 | ||||||
Same first word
optimaljsc.com |
DNS History
5 records (5 active, 0 former)
●NSns-master.inet.vn2026-05-01 → 2026-05-09 · 2 obs
● 2026-05-09 19:49:34
●A202.92.4.462026-05-01 → 2026-05-09 · 2 obs
● 2026-05-09 19:49:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, j.gtld-servers.net, k.gtld-servers.net, l.gtld-servers.net... | - |
| optimaljsc.com | ns1.inet.vn, ns2.inet.vn | - |
✅ Authoritative Response
Server:202.92.4.25
NS records: ns1.inet.vn, ns2.inet.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for optimaljsc.com (unsigned zone)
⏱️ Timing
Total: 2958ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 202.92.4.46 |
| NS | 3 | ns1.inet.vn, ns3.inet.vn... |
| SOA | 1 | ns-master.inet.vn postmaster.inet.vn |
Analysis
IP Addresses
optimaljsc.com points to a single IP address: 202.92.4.46.
Other host names such as moosun.vn, phuonghoa.vn, tuanphongmedia.vn, tahu.vn and thongcongohaiphong.com share IP numbers with optimaljsc.com.
Name Servers
optimaljsc.com is delegated to four name servers: ns-master.inet.vn, ns1.inet.vn, ns2.inet.vn and ns3.inet.vn.
At least part of the name servers for optimaljsc.com are shared with other domains, for instance yenthai.vn, klcmedia.vn, khangweb.io.vn, hiennhungchamuchalong.com.vn and thaisoncorp.com.
These name servers are often used together with nsbak.pavietnam.net, ns1.pavietnam.vn and ns2.pavietnam.vn.
Two IP numbers per host:
ns1.inet.vn points to 2001:df7:ce00:1::7 and 202.92.4.25.
ns2.inet.vn points to 2401:5f80:2001:4::30 and 210.211.99.38.
ns3.inet.vn points to 2401:5f80:4001:4::14 and 203.113.174.42.
One IP number per host:
ns-master.inet.vn points to 202.92.4.8.