fastsystem.vn - robtex.com
fastsystem.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 125.212.221.113🇻🇳 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 | ||||||
| MX | mx.hopthu.vn ⭐ | ||||||
| A | 103.90.234.45🇻🇳 WEBPANDA-AS-VN103.90.232.0/22 WEBPANDA-VN | ||||||
| TXT | v=spf1 a:smtp.hopthu.vn ~all | ||||||
| SOA | ns1.sdns.vnnobody@invalid 2024-12-23 #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=2030585472 | ||||||
Subdomains
Same first word
fastsystem.vn |
fastsystem.ru |
Similar names
DNS History
5 records (5 active, 0 former)
●NSns3.sdns.vn2026-03-21 → 2026-03-26 · 6 obs
● 2026-03-21 16:30:00
● 2026-03-22 22:58:04
○ 2026-03-24 00:48:10
● 2026-03-26 07:19:58
● 2026-03-26 07:20:02
●A125.212.221.1132026-03-20 → 2026-03-26 · 2 obs
● 2026-03-26 07:20:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn... | 16 records |
| fastsystem.vn | ns1.sdns.vn, ns2.sdns.vn, ns3.sdns.vn | 2 records |
✅ Authoritative Response
Server:171.244.17.76
NS records: ns1.sdns.vn, ns2.sdns.vn, ns3.sdns.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for fastsystem.vn (unsigned zone)
⏱️ Timing
Total: 1890ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 125.212.221.113 |
| NS | 2 | ns1.sdns.vn, ns2.sdns.vn |
| MX | 1 | mx.hopthu.vn (pri: 10) |
| TXT | 1 | v=spf1 a:smtp.hopthu.vn ~all |
| SOA | 1 | ns1.sdns.vn nobody.invalid |
📌 Glue Records Collected
Total: 18
In-bailiwick: 16 (a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn...)
Out-of-bailiwick: 2 (ns2.sdns.vn, ns1.sdns.vn)
Analysis
Hierarchy
fastsystem.vn is a parent of ns2.fastsystem.vn and ns1.fastsystem.vn.
IP Addresses
fastsystem.vn points to IP number: 125.212.221.113.
Other host names such as checkuytin.com, vjic.edu.vn and sohoagency.net share IP numbers with fastsystem.vn.
Name Servers
fastsystem.vn is delegated to three name servers: ns1.sdns.vn, ns2.sdns.vn and ns3.sdns.vn.
fastsystem.vn at least partially shares name servers with other domains, for instance tranhsondauhanoi.com, sdns.vn, aolopdep247.com, nguontinhyeu.com and chukysogiasoc.com.
These name servers are commonly used with ns4.sdns.vn and ns5.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.
Mail Servers
fastsystem.vn is handled by a single mail server, mx.hopthu.vn.
The mail server setup for fastsystem.vn matches that of other domains, for instance masflo.com, vinaofic.vn, vipa.ac.vn, dungtuan.com and vietfun.com.vn.
fastsystem.vn shares at least partially some mail servers with other domains, including vmklighting.com, abd.com.vn, vitawelltravel.com, dongnammedia.com.vn and samtoanthang.com.
these mail servers are commonly used together with mx1.hopthu.vn.
mx.hopthu.vn points to a single IP: 103.90.234.45.