vfca.org.vn - robtex.com
vfca.org.vn
org.vn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | dns-master.vnnic.vn ⭐ | ||||||
| NS | a.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | b.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | c.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | d.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | e.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | f.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | g.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | h.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| SOA | dns-master.vnnic.vnpostmaster@vnnic.vn serial=2017789952 | ||||||
Subdomains
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSa.ns.hostvn.net2026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 23:37:04
●NSb.ns.hostvn.net2026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 23:37:04
●MXvfca-org-vn.mail.protection.outlook.com2026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 23:37:04
●A45.252.248.642026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 23:37:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn... | - |
| vfca.org.vn | b.ns.hostvn.net, a.ns.hostvn.net | - |
✅ Authoritative Response
Server:185.136.97.112
NS records: b.ns.hostvn.net, a.ns.hostvn.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for vfca.org.vn (unsigned zone)
⏱️ Timing
Total: 655ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 45.252.248.64 |
| NS | 2 | b.ns.hostvn.net, a.ns.hostvn.net |
| MX | 1 | vfca-org-vn.mail.protection.outlook.com |
| TXT | 3 | google-site-verification=nwCexqwynfLnyed, v=spf1 include:spf.protection.outlook.co... |
| SOA | 1 | a.ns.hostvn.net hostmaster.hostvn.net |
Analysis
Hierarchy
vfca.org.vn is a parent of www.vfca.org.vn and member.vfca.org.vn.
IP Addresses
vfca.org.vn points to a single IP number: 45.252.248.64.
Other host names, for instance diepgiahoang.alphainstitute.edu.vn, mail.realcoach.edu.vn, chuanauthentic.com, 123itvn.com and langmodavutai.vn.goodreview.vn share IP numbers with vfca.org.vn.
Name Servers
vfca.org.vn is delegated to two name servers: a.ns.hostvn.net and b.ns.hostvn.net.
vfca.org.vn uses the same name server setup as other domains, for instance knowledgehub.info, otachi.vn, cplaw.vn, haiminhtsc.vn and bbdental.vn.
vfca.org.vn shares name servers with other domains at least partially; for example thanhoattinhtad.com, laptrinhcuocsong.com, zebratech.vn and uni-fine.com.
These name servers are commonly used with ns1.anycast.vn, ns2.anycast.vn, ns3.anycast.vn and ns4.anycast.vn.
Host names with two IP numbers:
The host a.ns.hostvn.net points to 185.136.96.112 and 185.136.97.112.
The host b.ns.hostvn.net points to 185.136.98.112 and 185.136.99.112.
Mail Servers
The mail server for vfca.org.vn is vfca-org-vn.mail.protection.outlook.com.
The host name vfca-org-vn.mail.protection.outlook.com resolves to six IPs: 2a01:111:f403:cc09::, 2a01:111:f403:cc1a::8, 2a01:111:f403:cc1f::4, 52.101.124.117, 52.101.137.0 and 52.101.157.80.