techman.vn - robtex.com
techman.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 163.223.13.80QPPF-VN163.223.12.0/23 | ||||||
| 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 | mx01.mail.icloud.com ⭐ | ||||||
| A | 17.42.251.62🇺🇸 Apple17.42.0.0/16 | ||||||
| A | 17.56.9.31🇺🇸 Apple17.56.9.0/24 | ||||||
| PTR | mx01.mail.icloud.com | ||||||
| PTR | mx02.mail.icloud.com | ||||||
| A | 17.57.152.5🇺🇸 Apple17.57.152.0/23 | ||||||
| PTR | ic4-privaterelay.appleid.com | ||||||
| PTR | smtp1.ic4-privaterelay.appleid.com | ||||||
| PTR | mx01.mail.icloud.com | ||||||
| PTR | mx02.mail.icloud.com | ||||||
| A | 17.57.154.33🇺🇸 Apple17.57.154.0/24 | ||||||
| PTR | mx01.mail.icloud.com | ||||||
| PTR | mx02.mail.icloud.com | ||||||
| A | 17.57.155.25🇺🇸 Apple17.57.155.0/24 | ||||||
| PTR | mx01.mail.icloud.com | ||||||
| PTR | mx02.mail.icloud.com | ||||||
| A | 17.57.156.30🇺🇸 Apple17.57.156.0/24 | ||||||
| PTR | mx01.mail.icloud.com | ||||||
| PTR | mx02.mail.icloud.com | ||||||
| TXT | v=spf1 include:icloud.com ~all | ||||||
| SOA | ns1.matbao.vnadmin@matbao.com 2025-12-02 #6 | ||||||
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=2030735710 | ||||||
Subdomains
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●MXmx01.mail.icloud.com2026-05-01 → 2026-05-05 · 2 obs
● 2026-05-05 20:35:42
●A163.223.13.802026-05-01 → 2026-05-05 · 2 obs
● 2026-05-05 20:35:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | e.dns-servers.vn, h.dns-servers.vn, c.dns-servers.vn, g.dns-servers.vn... | - |
| techman.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 techman.vn (unsigned zone)
⏱️ Timing
Total: 1348ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 163.223.13.80 |
| NS | 2 | ns2.matbao.vn, ns1.matbao.vn |
| MX | 1 | mx01.mail.icloud.com (pri: 10) |
| TXT | 1 | v=spf1 include:icloud.com ~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
techman.vn is a parent of sv1.techman.vn and www.techman.vn.
IP Addresses
techman.vn points to a single IP address: 163.223.13.80.
Other host names such as bev.edu.vn, sv1.techman.vn, www.bioaskoi.com, www.techman.vn and asvn.com.vn share IP numbers with techman.vn.
Name Servers
techman.vn is delegated to two name servers: ns1.matbao.vn and ns2.matbao.vn.
techman.vn uses the same name server setup as other domains, including ttr.edu.vn, phuockynam.com.vn, boardgameviet.vn, iphoneduchoa.vn and ttenv.vn.
At least part of the name servers for techman.vn are shared with other domains, for instance asiafoodsg.com, unicharm.com.vn, greenhand.vn, vppvinacom.vn and sonvietpc.com.
These name servers are often used together with ns1.matbao.com, ns2.matbao.com and ns-bak.matbao.com.
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
The mail server for techman.vn is mx01.mail.icloud.com.
techman.vn uses the same mail server setup as other domains, for instance mail.nrw.hedari.ch, balzers.ca, excient.com, filev.top and dayroom.com.
techman.vn shares at least some mail servers with other domains, for example 3delta.com.au, frond.ca, beifritz.de, vlions.com and circlmedia.com.
these mail servers are frequently used alongside the mail servers mx02.mail.icloud.com.
Host name mx01.mail.icloud.com points to six IP numbers: 17.42.251.62, 17.56.9.31, 17.57.152.5, 17.57.154.33, 17.57.155.25 and 17.57.156.30.