polycode.vn - robtex.com
polycode.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.138.88.36🇻🇳 VNPT-AS-VN103.138.88.0/23 VNPT-NET | ||||||
| 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 | ||||||
| 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.polycode.vn ⭐ | ||||||
| TXT | v=spf1 mx include:103.138.88.36 -all | ||||||
| SOA | ns1.matbao.vnadmin@matbao.com 2025-03-31 #2 | ||||||
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=2031293003 | ||||||
Same first word
Similar names
Previous names
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DNS History
4 records (4 active, 0 former)
●MXmail.polycode.vn2026-09-24 → 2026-10-04 · 2 obs
● 2026-10-04 11:22:20
●A103.138.88.362026-09-24 → 2026-10-04 · 2 obs
● 2026-10-04 11:22:20
🔍 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 |
| polycode.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 polycode.vn (unsigned zone)
⏱️ Timing
Total: 2652ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.138.88.36 |
| NS | 2 | ns1.matbao.vn, ns2.matbao.vn |
| MX | 1 | mail.polycode.vn (pri: 10) |
| TXT | 1 | v=spf1 mx include:103.138.88.36 -all |
| SOA | 1 | ns1.matbao.vn admin.matbao.com |
📌 Glue Records Collected
Total: 18
In-bailiwick: 16 (c.dns-servers.vn, c.dns-servers.vn, a.dns-servers.vn...)
Out-of-bailiwick: 2 (ns1.matbao.vn, ns2.matbao.vn)
Analysis
IP Addresses
polycode.vn resolves to one IP address: 103.138.88.36.
tgcoco.vn, nhathepalpha.com, www.pecom.vn and two other host names share IP numbers with polycode.vn.
Name Servers
DNS delegation for polycode.vn points to two name servers: ns1.matbao.vn and ns2.matbao.vn.
polycode.vn uses the same name servers as several other domains — among them diaoceden.vn, tammyhanh.io.vn, rose.io.vn and two more.
polycode.vn shares at least some of its name servers with other domains, including book247.vn, vetranhcat.vn, bokhovanvu.com and two others.
It is common to find these name servers alongside the name servers ns1.matbao.com, ns2.matbao.com, ns-bak.matbao.com and two others.
Hostnames that resolve to two IP addresses:
ns2.matbao.vn has two IP addresses: 35.198.203.127 and 103.138.89.11.
Hosts with just one IP address:
ns1.matbao.vn directs to 13.250.228.99.
Mail Servers
Mail for polycode.vn is handled by a single mail server, mail.polycode.vn.