smartscreen.edu.vn - robtex.com
smartscreen.edu.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.75.187.23🇻🇳 VNPT-AS-VN103.75.184.0/22 Inet software one member company limited INETSOFT-VN | ||||||
| NS | ns68.vietnetnam.com ⭐ | ||||||
| A | 210.86.239.168🇻🇳 NETNAM-AS-AP210.86.239.0/24 NETNAM-VN | ||||||
| PTR | server60.vietnetnam.com | ||||||
| NS | ns69.vietnetnam.com | ||||||
| A | 210.86.239.169🇻🇳 NETNAM-AS-AP210.86.239.0/24 NETNAM-VN | ||||||
| PTR | mail.pntek.vn | ||||||
| MX | smartscreen.edu.vn ⭐ | ||||||
| A | 103.75.187.23🇻🇳 VNPT-AS-VN103.75.184.0/22 Inet software one member company limited INETSOFT-VN | ||||||
| TXT | v=spf1 +a +mx +ip4:103.75.187.23 ~all | ||||||
| SOA | ns68.vietnetnam.comserver@mail60.vietnetnam.com 2021-12-16 #6 | ||||||
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=2018564976 | ||||||
MX for
smartscreen.edu.vn |
Subdomains
Same first word
Similar names
screensmart.net |
screensmart.com |
screensmart.ca |
sacrementsr.click |
screensmart.org |
screensmart.app |
screensmart.com.au |
screensmart.info |
screensmart.us |
DNS History
4 records (4 active, 0 former)
●NSns68.vietnetnam.com2026-05-01 → 2026-05-11 · 2 obs
● 2026-05-11 06:45:54
●NSns69.vietnetnam.com2026-05-01 → 2026-05-11 · 2 obs
● 2026-05-11 06:45:54
●MXsmartscreen.edu.vn2026-05-01 → 2026-05-11 · 2 obs
● 2026-05-11 06:45:54
●A103.75.187.232026-05-01 → 2026-05-11 · 2 obs
● 2026-05-11 06:45:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn... | - |
| smartscreen.edu.vn | ns68.vietnetnam.com, ns69.vietnetnam.com | - |
✅ Authoritative Response
Server:210.86.239.169
NS records: ns68.vietnetnam.com, ns69.vietnetnam.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for smartscreen.edu.vn (unsigned zone)
⏱️ Timing
Total: 1255ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.75.187.23 |
| NS | 2 | ns68.vietnetnam.com, ns69.vietnetnam.com |
| MX | 1 | smartscreen.edu.vn (pri: 0) |
| TXT | 1 | v=spf1 +a +mx +ip4:103.75.187.23 ~all |
| SOA | 1 | ns68.vietnetnam.com server.mail60.vietne |
Analysis
Hierarchy
smartscreen.edu.vn is a parent of www.smartscreen.edu.vn and mail.smartscreen.edu.vn.
Mail Server Role
smartscreen.edu.vn serves as the mail server for smartscreen.edu.vn.
IP Addresses
smartscreen.edu.vn points to IP number: 103.75.187.23.
Other host names such as webdisk.hyperz.vn, www.hiepsimang.com.mangxahoi.com.vn, trungtamdaotao.com.vn.mangxahoi.com.vn, autodiscover.hyperz.vn and ychilift.vn share IPs with smartscreen.edu.vn.
Name Servers
smartscreen.edu.vn is delegated to two name servers: ns68.vietnetnam.com and ns69.vietnetnam.com.
smartscreen.edu.vn shares the same name server setup as bongbachtuyet.vn, vuongquocdochoi.vn, greencorp.com.vn, ctybachkhoa.com.vn and giaiphapxanh.com.vn.
smartscreen.edu.vn shares name servers with other domains at least partially, for instance truongtaynama.edu.vn and eishcm.com.
Host names with a single IP:
ns68.vietnetnam.com points to 210.86.239.168.
ns69.vietnetnam.com points to 210.86.239.169.
Mail Servers
smartscreen.edu.vn is handled by a single mail server, smartscreen.edu.vn.
smartscreen.edu.vn points to a single IP: 103.75.187.23.