sjtechvn.com - robtex.com
sjtechvn.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 125.212.135.203🇻🇳 VIETEL-AS-AP125.212.128.0/21 VIETTEL-VN | ||||||
| PTR | gw.sjtechvn.com | ||||||
| NS | ns1.viettelidc.com.vn ⭐ | ||||||
| A | 2401:5f80:2000:2::4🇻🇳 VTDC-AS-VN2401:5f80:2000::/36 VTDC-VN | ||||||
| A | 115.84.177.33🇻🇳 VTDC-AS-VN115.84.176.0/22 Proxy-registered route object | ||||||
| PTR | ns1.vtdc.net | ||||||
| PTR | ns1.viettelidc.com.vn | ||||||
| NS | ns.viettelidc.com.vn | ||||||
| A | 2401:5f80:2000:1::5🇻🇳 VTDC-AS-VN2401:5f80:2000::/36 VTDC-VN | ||||||
| A | 115.84.177.8🇻🇳 VTDC-AS-VN115.84.176.0/22 Proxy-registered route object | ||||||
| PTR | ns.vtdc.net | ||||||
| PTR | ns.viettelidc.com.vn | ||||||
| NS | ns2.viettelidc.com.vn | ||||||
| A | 2401:5f80:4000:1::4🇻🇳 VTDC-AS-VN2401:5f80:4000::/36 VTDC-VN | ||||||
| A | 115.84.181.10🇻🇳 VTDC-AS-VN115.84.180.0/22 Proxy-registered route object | ||||||
| PTR | ns2.vtdc.net | ||||||
| PTR | ns2.viettelidc.com.vn | ||||||
| MX | gw.sjtechvn.com ⭐ | ||||||
| A | 125.212.135.203🇻🇳 VIETEL-AS-AP125.212.128.0/21 VIETTEL-VN | ||||||
| PTR | gw.sjtechvn.com | ||||||
| TXT | _globalsign-domain-verification=p2uJkotwYu3-uHQL6tfA90iX559M4Ck7thlnK4ZqoK | ||||||
| TXT | v=spf1 ip4:125.137.106.4 ip4:125.137.106.44 ip4:125.212.135.203 ip4:125.212.1... | ||||||
| TXT | google-site-verification=joy7b8_qNSyw7lB_wxBHMBnSX_zjpqU6P6zlIOOVuq4 | ||||||
| TXT | _globalsign-domain-verification=uUYd8VWf8a20kher8hyqKwm47W2HidduwW3BIrEwpX | ||||||
| TXT | _globalsign-domain-verification=lh8lO6DzBhcuLPr-cxxK--JE6DyZnJERtT3c-m0Z-_ | ||||||
| SOA | ns.viettelidc.com.vnhostmaster@sjtechvn.com serial=1778513108 | ||||||
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=1778513206 | ||||||
PTR for
Subdomains
gw.sjtechvn.com |
Same first word
sjtechvn.com |
DNS History
5 records (5 active, 0 former)
●NSns.viettelidc.com.vn2016-12-20 → 2026-05-11 · 2 obs
● 2026-05-11 15:27:14
●NSns1.viettelidc.com.vn2016-12-20 → 2026-05-11 · 2 obs
● 2026-05-11 15:27:14
●NSns2.viettelidc.com.vn2016-12-20 → 2026-05-11 · 2 obs
● 2026-05-11 15:27:14
●MXgw.sjtechvn.com2016-12-20 → 2026-05-11 · 2 obs
● 2026-05-11 15:27:14
●A125.212.135.2032016-12-20 → 2026-05-11 · 2 obs
● 2026-05-11 15:27:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| sjtechvn.com | ns1.viettelidc.com.vn, ns2.viettelidc.com.vn, ns.viettelidc.com.vn | - |
✅ Authoritative Response
Server:115.84.177.8
NS records: ns1.viettelidc.com.vn, ns2.viettelidc.com.vn, ns.viettelidc.com.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sjtechvn.com (unsigned zone)
⏱️ Timing
Total: 1512ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 125.212.135.203 |
| NS | 3 | ns.viettelidc.com.vn, ns1.viettelidc.com.vn... |
| MX | 1 | gw.sjtechvn.com (pri: 10) |
| TXT | 5 | _globalsign-domain-verification=p2uJkotw, v=spf1 ip4:125.137.106.4 ip4:125.137.106... |
| SOA | 1 | ns.viettelidc.com.vn hostmaster.sjtechvn |
Analysis
Hierarchy
sjtechvn.com is the parent of gw.sjtechvn.com.
IP Addresses
sjtechvn.com points to IP number 125.212.135.203.
Other host names, for instance, gw.sjtechvn.com share IP numbers with sjtechvn.com.
Name Servers
The delegation for sjtechvn.com is handled by three name servers: ns1.viettelidc.com.vn, ns2.viettelidc.com.vn and ns.viettelidc.com.vn.
sjtechvn.com shares name servers with other domains at least partially, for example toanvietsteel.com.vn, biofarm.com.vn, 178.84.115.in-addr.arpa, 119.211.210.in-addr.arpa and maxspeed.com.vn.
These name servers are commonly used alongside ns1.vtdc.net, ns2.vtdc.net, ns.vtdc.net, ns1.vtmgroup.com.vn, ns2.vtmgroup.com.vn and ns.vtmgroup.com.vn.
Host names with two IPs:
ns1.viettelidc.com.vn points to 2401:5f80:2000:2::4 and 115.84.177.33
ns2.viettelidc.com.vn points to 2401:5f80:4000:1::4 and 115.84.181.10
ns.viettelidc.com.vn points to 2401:5f80:2000:1::5 and 115.84.177.8
Mail Servers
sjtechvn.com is handled by a single mail server, gw.sjtechvn.com.
gw.sjtechvn.com points to a single IP: 125.212.135.203.