tutorial.vn - robtex.com
tutorial.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.81.86.37🇻🇳 HOSTINGVIET-AS-VN103.81.86.0/24 HOSTINGVIET-VN | ||||||
| NS | ns-master.inet.vn ⭐ | ||||||
| A | 202.92.4.8🇻🇳 VNPT-AS-VN202.92.4.0/22 INET-VN | ||||||
| NS | ns1.inet.vn | ||||||
| A | 2001:df7:ce00:1::7🇻🇳 VNPT-AS-VN2001:df7:ce00::/48 INETSOFT-VN Inet software one member company limited | ||||||
| A | 202.92.4.25🇻🇳 VNPT-AS-VN202.92.4.0/22 INET-VN | ||||||
| NS | ns2.inet.vn | ||||||
| A | 2401:5f80:2001:4::30🇻🇳 VTDC-AS-VN2401:5f80:2000::/36 VTDC-VN | ||||||
| A | 210.211.99.38🇻🇳 VTDC-AS-VN210.211.99.0/24 Proxy-registered route object | ||||||
| SOA | ns-master.inet.vnpostmaster@inet.vn 2015-07-28 #0 | ||||||
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=2030961968 | ||||||
Same first word
Similar names
DNS History
8 records (4 active, 4 former)
○NSdns21.fpt.vn2015-05-18 → 2016-01-01 · 4 obs
● 2016-01-01 06:11:36
○ 2016-11-19 23:03:20
○ 2026-07-05 02:06:46
○NSdns22.fpt.vn2015-05-18 → 2016-01-01 · 4 obs
● 2016-01-01 06:11:36
○ 2016-11-19 23:03:20
○ 2026-07-05 02:06:46
●NSns-master.inet.vn2017-07-11 → 2026-07-05 · 3 obs
● 2017-07-11 01:41:02
● 2026-07-05 02:06:46
●NSns1.inet.vn2017-07-11 → 2026-07-05 · 3 obs
● 2017-07-11 01:41:02
● 2026-07-05 02:06:46
●NSns2.inet.vn2017-07-11 → 2026-07-05 · 3 obs
● 2017-07-11 01:41:02
● 2026-07-05 02:06:46
●A103.81.86.372026-02-20 → 2026-07-05 · 3 obs
● 2026-02-20 17:58:02
● 2026-07-05 02:06:46
○A150.95.18.1792017-07-11 → 2017-09-04 · 5 obs
● 2017-07-11 01:41:02
● 2017-09-04 15:11:40
○ 2026-02-20 17:58:02
○ 2026-07-05 02:06:46
○A203.119.8.1072016-11-19 → 2016-11-19 · 3 obs
○ 2017-07-11 01:41:02
○ 2026-07-05 02:06:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn... | 16 records |
| tutorial.vn | ns2.inet.vn, ns1.inet.vn | 2 records |
✅ Authoritative Response
Server:202.92.4.253
NS records: ns2.inet.vn, ns1.inet.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tutorial.vn (unsigned zone)
⏱️ Timing
Total: 4559ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.81.86.37 |
| NS | 2 | ns2.inet.vn, ns1.inet.vn |
| SOA | 1 | ns-master.inet.vn postmaster.inet.vn |
📌 Glue Records Collected
Total: 18
In-bailiwick: 16 (a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn...)
Out-of-bailiwick: 2 (ns1.inet.vn, ns2.inet.vn)
Analysis
IP Addresses
tutorial.vn directs to one IP number, which is 103.81.86.37.
Among the host names that share IP numbers with tutorial.vn is tutorial.vietmoz.vn, as one example.
Name Servers
tutorial.vn is served by three name servers: ns-master.inet.vn, ns1.inet.vn and ns2.inet.vn.
The name servers of tutorial.vn overlap at least partially with those of other domains — among them cuocsongmoi.vn, dokienvong.edu.vn, ongnhuadenhat.vn and two more.
These name servers commonly appear in combination with the name servers ns3.inet.vn.
Hosts with two IP numbers each:
The A records for ns1.inet.vn return 202.92.4.25 and 2001:df7:ce00:1::7.
The A records for ns2.inet.vn return 210.211.99.38 and 2401:5f80:2001:4::30.
Hosts that resolve to one IP address:
ns-master.inet.vn resolves to the IP address 202.92.4.8.