dosco.vn - robtex.com
dosco.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 125.212.218.17🇻🇳 VIETEL-AS-AP125.212.208.0/20 VIETTEL-VN | ||||||
| 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 | ||||||
| MX | vdc-pm-mailgw-01.vinahost.org ⭐ | ||||||
| A | 146.196.64.39🇻🇳 VTN-1146.196.64.0/24 VNPT-Customer-Vinahost | ||||||
| PTR | vdc-pm-mailgw-01.vinahost.org | ||||||
| MX | vt-pm-mailgw-01.vinahost.org(5) | ||||||
| A | 103.126.160.139🇻🇳 ONEBIM-AS-VN103.126.160.0/24 ONEBIM-VN | ||||||
| TXT | v=spf1 a a:spf.vinahost.vn mx +include:sendgrid.net +include:smtpservice.net ... | ||||||
| SOA | ns3.vinahost.vnhostmaster@vinahost.vn 2025-12-19 #2 | ||||||
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=2030756946 | ||||||
Subdomains
Same first word
dosco.co |
dosco.ru |
dosco.co.kr |
dosco.cn |
dosco.net |
dosco.ir |
dosco.com |
dosco.de |
dosco.vn |
dosco.co.za |
dosco.edu.vn |
dosco.ie |
dosco.nl |
Similar names
DNS History
5 records (5 active, 0 former)
●NSns3.vinahost.vn2026-05-01 → 2026-05-11 · 2 obs
● 2026-05-11 03:24:02
●NSns4.vinahost.vn2026-05-01 → 2026-05-11 · 2 obs
● 2026-05-11 03:24:02
●MXvdc-pm-mailgw-01.vinahost.org2026-05-01 → 2026-05-11 · 2 obs
● 2026-05-11 03:24:02
●MXvt-pm-mailgw-01.vinahost.org2026-05-01 → 2026-05-11 · 2 obs
● 2026-05-11 03:24:02
●A125.212.218.172026-05-01 → 2026-05-11 · 2 obs
● 2026-05-11 03:24:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn... | - |
| dosco.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 dosco.vn (unsigned zone)
⏱️ Timing
Total: 4547ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 125.212.218.17 |
| NS | 2 | ns3.vinahost.vn, ns4.vinahost.vn |
| MX | 2 | vt-pm-mailgw-01.vinahost.org (pri: 5), vdc-pm-mailgw-01.vinahost.org (pri: 0) |
| TXT | 1 | v=spf1 a a:spf.vinahost.vn mx +include:s |
| 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
dosco.vn is a parent of www.dosco.vn and webmail.dosco.vn.
IP Addresses
dosco.vn points to a single IP address: 125.212.218.17.
Other host names such as wasi.org.vn, vwebhost110.vinahost.vn, hoamyinkjet.com, www.dosco.vn and dientht.vn share IP numbers with dosco.vn.
Name Servers
dosco.vn is delegated to two name servers: ns3.vinahost.vn and ns4.vinahost.vn.
dosco.vn uses the same name server setup as other domains, including hoangxuanlaw.vn, gnland.com.vn, azvn.vn, gaia.edu.vn and nguyenanhduc82.id.vn.
At least part of the name servers for dosco.vn are shared with other domains, for instance vina-host.com, solution.com.vn, nguyenquocchauit.id.vn, baobiatp.vn and thuedientu.vn.
These name servers are commonly used alongside dns3.vina-host.com and dns4.vina-host.com.
Hostnames with a single IP
ns3.vinahost.vn resolves to: 125.212.217.199.
ns4.vinahost.vn resolves to: 123.30.139.119.
Mail Servers
dosco.vn is handled by two mail servers: vdc-pm-mailgw-01.vinahost.org and vt-pm-mailgw-01.vinahost.org.
dosco.vn uses the same mail server setup as other domains, for instance gow.com, stdsaigon.com.vn, bidifisco.com.vn, dhgroup.vn and betterme.vn.
dosco.vn shares at least some mail servers with other domains, for example vina-host.com, ytuongvang.vn, sgxvn.com, scp.com.vn and serpupdate.com.
These mail servers are commonly used alongside aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.
Hostnames with a single IP
vdc-pm-mailgw-01.vinahost.org resolves to: 146.196.64.39.
vt-pm-mailgw-01.vinahost.org resolves to: 103.126.160.139.