thuedientu.vn - robtex.com
thuedientu.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 115.146.122.66🇻🇳 CMC-2115.146.122.0/24 CMCTELECOM-VN | ||||||
| PTR | mail.tax24.com.vn | ||||||
| NS | dns3.vina-host.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 125.212.218.102🇻🇳 VIETEL-AS-AP125.212.208.0/20 VIETTEL-VN | ||||||
| PTR | mail.375group.club | ||||||
| NS | dns4.vina-host.com ⚠️ Not in parent delegation | ||||||
| A | 103.9.76.251🇻🇳 VTN-1103.9.76.0/24 VNPT-Customer-VinaHost | ||||||
| NS | ns3.vinahost.vn ⚠️ Not in zone NS records | ||||||
| A | 125.212.217.199🇻🇳 VIETEL-AS-AP125.212.208.0/20 VIETTEL-VN | ||||||
| NS | ns4.vinahost.vn ⚠️ Not in zone NS records | ||||||
| A | 123.30.139.119🇻🇳 VDC123.30.138.0/23 VNPT | ||||||
| PTR | static.vnpt.vn | ||||||
| MX | mail.thuedientu.vn ⭐ | ||||||
| A | 115.146.122.83🇻🇳 CMC-2115.146.122.0/24 CMCTELECOM-VN | ||||||
| PTR | mail.seatechit.com.vn | ||||||
| TXT | v=spf1 a mx ptr | ||||||
| SOA | dns3.vina-host.comroot@dns3.vina-host.vn 2021-09-23 #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=2030658356 | ||||||
Subdomains
mail.thuedientu.vn |
Same first word
thuedientu.net.vn |
thuedientu.vn |
DNS History
7 records (6 active, 1 former)
●NSdns3.vina-host.com2015-05-26 → 2026-04-14 · 2 obs
● 2026-04-14 04:09:04
●NSdns4.vina-host.com2015-05-26 → 2026-04-14 · 2 obs
● 2026-04-14 04:09:04
●NSns3.vinahost.vn2026-04-07 → 2026-04-14 · 3 obs
● 2026-04-07 10:43:18
● 2026-04-14 04:09:04
●NSns4.vinahost.vn2026-04-07 → 2026-04-14 · 3 obs
● 2026-04-07 10:43:18
● 2026-04-14 04:09:04
●MXmail.thuedientu.vn2015-05-26 → 2026-04-14 · 2 obs
● 2026-04-14 04:09:04
●A115.146.122.662015-05-26 → 2026-04-14 · 5 obs
○ 2015-11-03 17:50:40
○ 2017-07-01 10:20:54
● 2026-04-07 10:43:18
● 2026-04-14 04:09:04
○A115.146.122.992015-11-03 → 2017-07-01 · 5 obs
● 2015-11-03 17:50:40
● 2017-07-01 10:20:54
○ 2026-04-07 10:43:18
○ 2026-04-14 04:09:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | c.dns-servers.vn, a.dns-servers.vn, e.dns-servers.vn, g.dns-servers.vn... | 16 records |
| thuedientu.vn | ns3.vinahost.vn, ns4.vinahost.vn | 2 records |
✅ Authoritative Response
Server:123.30.139.119
NS records: ns3.vinahost.vn, ns4.vinahost.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for thuedientu.vn (unsigned zone)
⏱️ Timing
Total: 1301ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 115.146.122.66 |
| NS | 2 | dns4.vina-host.com, dns3.vina-host.com |
| MX | 1 | mail.thuedientu.vn (pri: 10) |
| TXT | 1 | v=spf1 a mx ptr |
| SOA | 1 | dns3.vina-host.com root.dns3.vina-host.v |
📌 Glue Records Collected
Total: 18
In-bailiwick: 16 (c.dns-servers.vn, c.dns-servers.vn, a.dns-servers.vn...)
Out-of-bailiwick: 2 (ns3.vinahost.vn, ns4.vinahost.vn)
Analysis
Hierarchy
thuedientu.vn is the parent of mail.thuedientu.vn.
IP Addresses
thuedientu.vn resolves to one IP number: 115.146.122.66.
Other host names such as tax24.vn and tax24.com.vn share IP numbers with thuedientu.vn.
Name Servers
thuedientu.vn is delegated to four name servers: dns3.vina-host.com, dns4.vina-host.com, ns3.vinahost.vn and ns4.vinahost.vn.
thuedientu.vn at least partially shares name servers with other domains, for instance sieuthithietbicongnghiep.com.vn, xcotravel.com, sieugiaiphap.vn, phucanlabel.com and humi.vn.
These name servers are commonly used with dns1.name-services.com, dns2.name-services.com, dns3.name-services.com, dns4.name-services.com and dns5.name-services.com.
Host names with one IP number: dns3.vina-host.com points to 125.212.218.102; dns4.vina-host.com points to 103.9.76.251; ns3.vinahost.vn points to 125.212.217.199; ns4.vinahost.vn points to 123.30.139.119.
Mail Servers
thuedientu.vn is handled by a single mail server, mail.thuedientu.vn.
mail.thuedientu.vn resolves to IP 115.146.122.83.