congtyalpha.vn - robtex.com
congtyalpha.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.57.221.31🇻🇳 VNPT-AS-VN103.57.220.0/22 INET-VN | ||||||
| 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 | ns-bak.matbao.com ⚠️ Not in parent delegation | ||||||
| A | 35.198.246.158🇸🇬 Google35.198.240.0/20 | ||||||
| PTR | 158.246.198.35.bc.googleusercontent.com | ||||||
| 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.congtyalpha.vn ⭐ | ||||||
| A | 210.2.87.4🇻🇳 QTSP210.2.87.0/24 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 24th floor, VNTA Tower, Duong Dinh Nghe, Cau Giay, Hanoi | ||||||
| PTR | 874.ninamailservice.com | ||||||
| TXT | v=spf1 a mx ip4:210.2.87.4 ~all | ||||||
| SOA | ns1.matbao.vnadmin@matbao.com 2024-10-16 #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=2030540112 | ||||||
Subdomains
mail.congtyalpha.vn |
Same first word
congtyalpha.vn |
DNS History
6 records (5 active, 1 former)
●NSns-bak.matbao.com2020-02-09 → 2026-03-23 · 2 obs
● 2026-03-23 18:59:22
●MXmail.congtyalpha.vn2020-02-09 → 2026-03-23 · 2 obs
● 2026-03-23 18:59:22
●A103.57.221.312026-02-16 → 2026-03-23 · 3 obs
● 2026-02-16 06:50:20
● 2026-03-23 18:59:22
○A210.2.87.42020-02-09 → 2020-02-09 · 3 obs
○ 2026-02-16 06:50:20
○ 2026-03-23 18:59:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | c.dns-servers.vn, a.dns-servers.vn, e.dns-servers.vn, g.dns-servers.vn... | - |
| congtyalpha.vn | ns2.matbao.vn, ns1.matbao.vn | 2 records |
✅ Authoritative Response
Server:13.250.228.99
NS records: ns2.matbao.vn, ns1.matbao.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for congtyalpha.vn (unsigned zone)
⏱️ Timing
Total: 1348ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.57.221.31 |
| NS | 3 | ns1.matbao.vn, ns2.matbao.vn... |
| MX | 1 | mail.congtyalpha.vn (pri: 10) |
| TXT | 1 | v=spf1 a mx ip4:210.2.87.4 ~all |
| SOA | 1 | ns1.matbao.vn admin.matbao.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.matbao.vn, ns2.matbao.vn)
Analysis
Hierarchy
congtyalpha.vn is the parent of mail.congtyalpha.vn.
IP Addresses
congtyalpha.vn resolves to a single IP address: 103.57.221.31.
Other host names including elixa.vn, hani.vn, longgiangland.com.vn, truongphatplastic.com.vn and www.hani.vn share IP numbers with congtyalpha.vn.
Name Servers
congtyalpha.vn is delegated to three name servers: ns-bak.matbao.com, ns1.matbao.vn and ns2.matbao.vn.
congtyalpha.vn at least partially shares name servers with other domains, including sunriseexpress.com.vn, labeaute.vn, masodoanhnghiep.vn, toptayninh.vn and fly.vn.
these name servers are commonly used with ns1.matbao.com, ns2.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
Host names with one IP number:
ns-bak.matbao.com points to 35.198.246.158
Mail Servers
congtyalpha.vn is handled by a single mail server, mail.congtyalpha.vn.
mail.congtyalpha.vn points to a single IP: 210.2.87.4.