stdvietnam.vn - robtex.com
stdvietnam.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 125.212.221.110🇻🇳 VIETEL-AS-AP125.212.208.0/20 VIETTEL-VN | ||||||
| NS | ns1.sdns.vn ⭐ | ||||||
| A | 171.244.142.89🇻🇳 VTDC-AS-VN171.244.140.0/22 Proxy-registered route object | ||||||
| NS | ns2.sdns.vn | ||||||
| A | 171.244.17.76🇻🇳 VTDC-AS-VN171.244.16.0/22 Proxy-registered route object | ||||||
| NS | ns3.sdns.vn ⚠️ Not in zone NS records | ||||||
| TXT | v=spf1 include:sv1.tmail.vn ~all | ||||||
| TXT | google-site-verification=SyPJ8ScXZ4XKEVkbY6QmhiIXom-yU2yqDGYnkiO6Wxo | ||||||
| SOA | ns1.sdns.vnnobody@invalid 2022-12-16 #1 | ||||||
vn
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | dns-master.vnnic.vn ⭐ | ||||||
| NS | a.dns-servers.vn | ||||||
| NS | b.dns-servers.vn | ||||||
| NS | c.dns-servers.vn | ||||||
| NS | d.dns-servers.vn | ||||||
| NS | e.dns-servers.vn | ||||||
| NS | f.dns-servers.vn | ||||||
| NS | g.dns-servers.vn | ||||||
| NS | h.dns-servers.vn | ||||||
| SOA | dns-master.vnnic.vnpostmaster@vnnic.vn serial=2030753569 | ||||||
Subdomains
www.stdvietnam.vn |
Same first word
stdvietnam.vn |
Similar names
DNS History
5 records (4 active, 1 former)
●A125.212.221.1102026-05-01 → 2026-05-09 · 3 obs
● 2026-05-01 08:51:02
● 2026-05-09 22:23:44
○A125.212.221.1132020-04-12 → 2020-04-12 · 3 obs
○ 2026-05-01 08:51:02
○ 2026-05-09 22:23:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn... | - |
| stdvietnam.vn | ns1.sdns.vn, ns3.sdns.vn, ns2.sdns.vn | 2 records |
✅ Authoritative Response
Server:171.244.17.76
NS records: ns1.sdns.vn, ns3.sdns.vn, ns2.sdns.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for stdvietnam.vn (unsigned zone)
⏱️ Timing
Total: 1809ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 125.212.221.110 |
| NS | 2 | ns1.sdns.vn, ns2.sdns.vn |
| TXT | 2 | v=spf1 include:sv1.tmail.vn ~all, google-site-verification=SyPJ8ScXZ4XKEVk |
| SOA | 1 | ns1.sdns.vn nobody.invalid |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns2.sdns.vn, ns1.sdns.vn)
Analysis
Hierarchy
stdvietnam.vn is the parent of www.stdvietnam.vn.
IP Addresses
stdvietnam.vn resolves to a single IP: 125.212.221.110.
Other host names, for instance selfwingvn.com, ebszunew.hanbeeviet.edu.vn, 7116e7af-a637-4500-9894-285f5f82a769.hanbeeviet.edu.vn, 14674ee6-80e5-4fe3-a4ee-8639dcf5402e.hanbeeviet.edu.vn and mail.hanbeeviet.edu.vn share IP numbers with stdvietnam.vn.
Name Servers
stdvietnam.vn delegates to three name servers: ns1.sdns.vn, ns2.sdns.vn and ns3.sdns.vn.
stdvietnam.vn shares some name servers with other domains, for example emasu.vn, doxeaz.com, heytv.vn, thuviencnc.vn and tieckienvang.vn.
These name servers are commonly used together with ns5.sdns.vn and ns4.sdns.vn.
Host names with a single IP:
ns1.sdns.vn points to 171.244.142.89
ns2.sdns.vn points to 171.244.17.76