steps.edu.vn - robtex.com
steps.edu.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.21.150.62🇻🇳 CMC-2103.21.150.0/24 CMCTELECOM-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 | 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 | ||||||
| SOA | ns1.matbao.vnadmin@matbao.com 2025-12-01 #5 | ||||||
edu.vn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | dns-master.vnnic.vn ⭐ | ||||||
| NS | a.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | b.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | c.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | d.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | e.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | f.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | g.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | h.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| SOA | dns-master.vnnic.vnpostmaster@vnnic.vn serial=2018564895 | ||||||
Subdomains
Same first word
Similar names
DNS History
5 records (3 active, 2 former)
○MXmail.steps.edu.vn2020-03-26 → 2020-03-26 · 3 obs
○ 2026-05-01 06:07:14
○ 2026-05-10 21:32:02
●A103.21.150.622026-05-01 → 2026-05-10 · 3 obs
● 2026-05-01 06:07:14
● 2026-05-10 21:32:02
○A103.28.37.922020-03-26 → 2020-03-26 · 3 obs
○ 2026-05-01 06:07:14
○ 2026-05-10 21:32:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn... | - |
| steps.edu.vn | ns2.matbao.vn, ns1.matbao.vn | - |
✅ Authoritative Response
Server:13.250.228.99
NS records: ns2.matbao.vn, ns1.matbao.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for steps.edu.vn (unsigned zone)
⏱️ Timing
Total: 3187ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.21.150.62 |
| NS | 2 | ns1.matbao.vn, ns2.matbao.vn |
| SOA | 1 | ns1.matbao.vn admin.matbao.com |
Analysis
Hierarchy
steps.edu.vn is a parent of mail.steps.edu.vn, setup.steps.edu.vn and www.steps.edu.vn.
IP Addresses
steps.edu.vn resolves to one IP number: 103.21.150.62.
Other host names, for instance www.steps.edu.vn, admin.banhthuykhue.vn, 116profile.phanmembanhang.com, banhtrungthubaophuong.com and asw.phanmembanhang.com share IP numbers with steps.edu.vn.
Name Servers
steps.edu.vn's delegation uses two name servers: ns1.matbao.vn and ns2.matbao.vn.
steps.edu.vn uses the same name server setup as other domains, such as thegioikhanbong.vn, nttusoft.com, mobiradio.vn, bmgroup.com.vn and tdhcmc.vn.
steps.edu.vn at least partially shares name servers with other domains, including pc79.vn, lus.vn, tcccorp.vn, eurohome.com.vn and hddigital.vn.
these name servers are commonly used alongside the name servers ns1.matbao.com, ns2.matbao.com, ns-bak.matbao.com, ns3.matbao.vn and ns4.matbao.vn.
Host names with two IPs:
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