cfctechs.vn - robtex.com
cfctechs.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 123.30.136.246🇻🇳 VDC123.30.136.0/24 VNPT | ||||||
| PTR | c123246.vinahost.org | ||||||
| NS | ns3.vinahost.vn ⭐ | ||||||
| A | 125.212.217.199🇻🇳 VIETEL-AS-AP125.212.208.0/20 VIETTEL-VN | ||||||
| NS | ns4.vinahost.vn | ||||||
| A | 123.30.139.119🇻🇳 VDC123.30.138.0/23 VNPT | ||||||
| PTR | static.vnpt.vn | ||||||
| TXT | x25x1fb5qc09z9hk71hrq4qtzbd4skg8 | ||||||
| TXT | 4tn52b5kszsvtk1ffp3j70mwlppx9k6l | ||||||
| SOA | ns3.vinahost.vnhostmaster@vinahost.vn 2023-09-21 #0 | ||||||
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=2030759289 | ||||||
Subdomains
www.cfctechs.vn |
Same first word
cfctechs.vn |
DNS History
3 records (3 active, 0 former)
●NSns3.vinahost.vn2026-05-01 → 2026-05-11 · 2 obs
● 2026-05-11 12:03:14
●NSns4.vinahost.vn2026-05-01 → 2026-05-11 · 2 obs
● 2026-05-11 12:03:14
●A123.30.136.2462026-05-01 → 2026-05-11 · 2 obs
● 2026-05-11 12:03:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | c.dns-servers.vn, a.dns-servers.vn, e.dns-servers.vn, g.dns-servers.vn... | - |
| cfctechs.vn | ns4.vinahost.vn, ns3.vinahost.vn | 2 records |
✅ Authoritative Response
Server:125.212.217.199
NS records: ns4.vinahost.vn, ns3.vinahost.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cfctechs.vn (unsigned zone)
⏱️ Timing
Total: 1326ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 123.30.136.246 |
| NS | 2 | ns3.vinahost.vn, ns4.vinahost.vn |
| TXT | 2 | 4tn52b5kszsvtk1ffp3j70mwlppx9k6l, x25x1fb5qc09z9hk71hrq4qtzbd4skg8 |
| SOA | 1 | ns3.vinahost.vn hostmaster.vinahost.vn |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns3.vinahost.vn, ns4.vinahost.vn)
Analysis
Hierarchy
cfctechs.vn is the parent of www.cfctechs.vn.
IP Addresses
cfctechs.vn resolves to a single IP: 123.30.136.246.
Other host names, for instance v1study.com, tinbatdongsan.com.vn, wbsubdomain.a.bb.ccc.dddd.tourdulich.org.vn, server.tourdulich.org.vn and sueannbridal.vn share IP numbers with cfctechs.vn.
Name Servers
cfctechs.vn has two name servers: ns3.vinahost.vn and ns4.vinahost.vn.
cfctechs.vn shares the same name server setup as other domains, for example kingbear.vn, khoahoctamlinh.vn, rubber-tyre.com.vn, truongvietdev.io.vn and lewave.co.uk.
cfctechs.vn shares some name servers with other domains, for example tinbatdongsan.com.vn, prismarun.com, ialc.edu.vn, 187.109.103.in-addr.arpa and serversvietnam.vn.
These name servers are commonly used together with dns3.vina-host.com and dns4.vina-host.com.
Host names with a single IP:
ns3.vinahost.vn points to 125.212.217.199
ns4.vinahost.vn points to 123.30.139.119