donghocasio.vn - robtex.com
donghocasio.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 45.252.248.81🇻🇳 AZDIGI-AS-VN45.252.248.0/22 AZDIGI-VN | ||||||
| NS | ns3.azdigi.com ⭐ | ||||||
| A | 45.252.248.5🇻🇳 AZDIGI-AS-VN45.252.248.0/22 AZDIGI-VN | ||||||
| NS | ns4.azdigi.com | ||||||
| A | 103.221.222.220🇻🇳 AZDIGI-AS-VN103.221.220.0/22 AZDIGI-VN | ||||||
| MX | donghocasio.vn ⭐ | ||||||
| A | 45.252.248.81🇻🇳 AZDIGI-AS-VN45.252.248.0/22 AZDIGI-VN | ||||||
| TXT | v=spf1 +mx +a +ip4:45.252.248.0/22 +ip4:103.221.220.0/22 ~all | ||||||
| SOA | ns3.azdigi.comhosting-admin@azdigi.com 2026-03-21 #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=2030751976 | ||||||
MX for
donghocasio.vn |
Subdomains
Same first word
donghocasio.vn |
DNS History
9 records (4 active, 5 former)
○NSdns19.fpt.vn2015-06-29 → 2017-07-10 · 4 obs
● 2017-07-10 21:33:12
○ 2026-05-01 08:31:10
○ 2026-05-09 16:27:42
○NSdns20.fpt.vn2015-06-29 → 2017-07-10 · 4 obs
● 2017-07-10 21:33:12
○ 2026-05-01 08:31:10
○ 2026-05-09 16:27:42
●NSns3.azdigi.com2026-05-01 → 2026-05-09 · 3 obs
● 2026-05-01 08:31:10
● 2026-05-09 16:27:42
●NSns4.azdigi.com2026-05-01 → 2026-05-09 · 3 obs
● 2026-05-01 08:31:10
● 2026-05-09 16:27:42
●MXdonghocasio.vn2026-05-01 → 2026-05-09 · 2 obs
● 2026-05-09 16:27:42
○A203.162.78.1782015-06-29 → 2015-06-29 · 3 obs
○ 2015-11-13 00:40:42
○ 2026-05-09 16:27:42
○A203.162.78.82015-11-13 → 2015-11-13 · 4 obs
● 2015-11-13 00:40:42
○ 2016-02-25 03:34:16
○ 2026-05-09 16:27:42
○A45.125.238.262016-02-25 → 2017-07-10 · 5 obs
● 2016-02-25 03:34:16
● 2017-07-10 21:33:12
○ 2026-05-01 08:31:10
○ 2026-05-09 16:27:42
●A45.252.248.812026-05-01 → 2026-05-09 · 3 obs
● 2026-05-01 08:31:10
● 2026-05-09 16:27:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | c.dns-servers.vn, a.dns-servers.vn, e.dns-servers.vn, f.dns-servers.vn... | - |
| donghocasio.vn | ns4.azdigi.com, ns3.azdigi.com | - |
✅ Authoritative Response
Server:45.252.248.5
NS records: ns4.azdigi.com, ns3.azdigi.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for donghocasio.vn (unsigned zone)
⏱️ Timing
Total: 1872ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 45.252.248.81 |
| NS | 2 | ns3.azdigi.com, ns4.azdigi.com |
| MX | 1 | donghocasio.vn (pri: 0) |
| TXT | 1 | v=spf1 +mx +a +ip4:45.252.248.0/22 +ip4: |
| SOA | 1 | ns3.azdigi.com hosting-admin.azdigi.com |
Analysis
Hierarchy
donghocasio.vn is parent of www.donghocasio.vn and mail.donghocasio.vn.
Mail Server Role
For donghocasio.vn, the mail server is donghocasio.vn.
IP Addresses
donghocasio.vn points to a single IP number: 45.252.248.81.
other host names for instance xaynhatrongoidanang.vn, s10.a026.ap.thuemaychieu.net.vn, sba.edu.vn, phuoctein.vn and mail.suneliteshalong.vn share IP numbers with donghocasio.vn.
Name Servers
donghocasio.vn is delegated to two name servers: ns3.azdigi.com and ns4.azdigi.com.
donghocasio.vn shares the same name server setup as other domains, for example machuteam.vn, edmondmasionvn.com, doquangautomation.com, 1sneaker.vn and growcompanion.com.
donghocasio.vn at least partially shares name servers with other domains, for instance hungphatcomputer.com, baovenhanphu.vn, swannailsandspa.com, zenpali.com and degson.com.vn.
These name servers are commonly used with ns1.matbao.vn, ns2.matbao.vn and ns1.matbao.com.
Host names with one IP number:
The host ns3.azdigi.com points to 45.252.248.5 and the host ns4.azdigi.com points to 103.221.222.220.
Mail Servers
One mail server handles donghocasio.vn.
Host name donghocasio.vn points to IP address 45.252.248.81.