sems.vn - robtex.com
sems.vn
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=2030756415 | ||||||
Subdomains
www.sems.vn |
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSns-master.inet.vn2026-05-01 → 2026-05-11 · 2 obs
● 2026-05-11 01:45:02
●MXsems-vn.mail.protection.outlook.com2026-05-01 → 2026-05-11 · 2 obs
● 2026-05-11 01:45:02
●A103.75.184.1522026-05-01 → 2026-05-11 · 2 obs
● 2026-05-11 01:45:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn... | - |
| sems.vn | ns2.inet.vn, ns1.inet.vn, ns3.inet.vn | 3 records |
✅ Authoritative Response
Server:202.92.4.253
NS records: ns2.inet.vn, ns1.inet.vn, ns3.inet.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sems.vn (unsigned zone)
⏱️ Timing
Total: 3995ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.75.184.152 |
| NS | 3 | ns2.inet.vn, ns1.inet.vn... |
| MX | 1 | sems-vn.mail.protection.outlook.com (pri |
| TXT | 1 | v=spf1 include:spf.protection.outlook.co |
| SOA | 1 | ns-master.inet.vn postmaster.inet.vn |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (ns3.inet.vn, ns2.inet.vn, ns1.inet.vn)
Analysis
Hierarchy
sems.vn is the parent of www.sems.vn.
IP Addresses
sems.vn resolves to a single IP address: 103.75.184.152.
Other host names, for instance www.sems.vn, share IP numbers with sems.vn.
Name Servers
sems.vn is delegated to four name servers: ns-master.inet.vn, ns1.inet.vn, ns2.inet.vn and ns3.inet.vn.
sems.vn at least partially shares name servers with other domains, including seiki-group.vn, cuoihoi.vn, magicforest2.io.vn, giaynu.vn and perfex.com.vn.
Host names with two IP numbers:
ns1.inet.vn points to 2001:df7:ce00:1::7 and 202.92.4.25.
ns2.inet.vn points to 2401:5f80:2001:4::30 and 210.211.99.38.
ns3.inet.vn points to 2401:5f80:4001:4::14 and 203.113.174.42.
Host names with one IP number:
ns-master.inet.vn points to 202.92.4.8.
Mail Servers
sems.vn is handled by a single mail server, sems-vn.mail.protection.outlook.com.
sems-vn.mail.protection.outlook.com resolves to six IPs: 2a01:111:f403:cc09::, 2a01:111:f403:cc1a::8, 2a01:111:f403:cc1f::4, 52.101.124.117, 52.101.137.0 and 52.101.157.80.