languagecert.vn - robtex.com
languagecert.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 171.244.206.92🇻🇳 VTDC-AS-VN171.244.204.0/22 Proxy-registered route object | ||||||
| NS | ns1.matbao.vn ⭐ | ||||||
| A | 13.250.228.99🇸🇬 Amazon13.250.0.0/15 EC2 SIN prefix | ||||||
| PTR | ec2-13-250-228-99.ap-southeast-1.compute.amazonaws.com | ||||||
| A | 103.110.128.60🇻🇳 AXYS-VN103.110.128.0/23 | ||||||
| NS | ns2.matbao.vn | ||||||
| A | 35.198.203.127🇸🇬 Google35.198.192.0/20 | ||||||
| PTR | 127.203.198.35.bc.googleusercontent.com | ||||||
| A | 103.138.89.11🇻🇳 VNPT-AS-VN103.138.88.0/23 VNPT-NET | ||||||
| MX | mail.languagecert.vn ⭐ | ||||||
| A | 221.121.12.240🇻🇳 SPT-AS-VN221.121.0.0/18 SPT-VN | ||||||
| TXT | v=spf1 mx a ptr ip4:221.121.12.240 ?all | ||||||
| SOA | ns1.matbao.vnadmin@matbao.com 2025-12-24 #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=2030753637 | ||||||
Subdomains
www.languagecert.vn |
Same first word
languagecert.tv |
languagecert.gr |
languagecert.me |
languagecert.us |
languagecert.net |
languagecert.biz |
languagecert.org |
languagecert.hu |
languagecert.edu.vn |
languagecert.vn |
Similar names
DNS History
4 records (4 active, 0 former)
●MXmail.languagecert.vn2026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 01:33:40
●A171.244.206.922026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 01:33:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn... | - |
| languagecert.vn | ns2.matbao.vn, ns1.matbao.vn | 2 records |
✅ Authoritative Response
Server:103.138.89.11
NS records: ns2.matbao.vn, ns1.matbao.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for languagecert.vn (unsigned zone)
⏱️ Timing
Total: 1152ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 171.244.206.92 |
| NS | 2 | ns1.matbao.vn, ns2.matbao.vn |
| MX | 1 | mail.languagecert.vn (pri: 10) |
| TXT | 1 | v=spf1 mx a ptr ip4:221.121.12.240 ?all |
| SOA | 1 | ns1.matbao.vn admin.matbao.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns2.matbao.vn, ns1.matbao.vn)
Analysis
Hierarchy
languagecert.vn is a parent of www.languagecert.vn.
IP Addresses
languagecert.vn points to a single IP number: 171.244.206.92.
Other host names, for instance blog.eduhome.com.vn, dtp.edu.vn, www.languagecert.vn and dtp-education.com share IP numbers with languagecert.vn.
Name Servers
Delegation for languagecert.vn rests with two name servers, ns1.matbao.vn and ns2.matbao.vn.
languagecert.vn shares the same name server setup as other domains, including toancaugroup.com.vn, dolanto.vn, bvdkquangngai.vn, vintry.vn and sununi.edu.vn.
languagecert.vn at least partially shares name servers with other domains, for instance thewaterman.org, thanhdatsteel.com, luxuryfashion.com.vn, thaithiennam.vn and blackorp.vn.
These name servers are often used together with ns1.matbao.com, ns2.matbao.com, ns-bak.matbao.com, ns3.matbao.vn and ns4.matbao.vn.
Host names with two IP numbers: ns1.matbao.vn points to 13.250.228.99 and 103.110.128.60; ns2.matbao.vn points to 35.198.203.127 and 103.138.89.11.
Mail Servers
languagecert.vn is handled by a single mail server, mail.languagecert.vn.
mail.languagecert.vn points to a single IP: 221.121.12.240.