fen.vn - robtex.com
fen.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=2031039353 | ||||||
Subdomains
www.fen.vn |
Same first word
Similar names
DNS History
6 records (4 active, 2 former)
●NSns-b1.tenten.vn2026-05-30 → 2026-07-26 · 3 obs
● 2026-05-30 06:55:12
● 2026-07-26 13:59:08
●NSns-b2.tenten.vn2026-05-30 → 2026-07-26 · 3 obs
● 2026-05-30 06:55:12
● 2026-07-26 13:59:08
●NSns-b3.tenten.vn2026-05-30 → 2026-07-26 · 3 obs
● 2026-05-30 06:55:12
● 2026-07-26 13:59:08
○NSns-hold.vnnic.vn2026-05-01 → 2026-05-04 · 4 obs
● 2026-05-04 02:33:18
○ 2026-05-09 16:53:52
○ 2026-07-26 13:59:08
●A103.18.6.1092026-05-30 → 2026-07-26 · 8 obs
● 2026-05-30 06:55:12
● 2026-05-31 00:33:30
○ 2026-06-23 16:55:42
● 2026-07-02 02:49:20
○ 2026-07-05 02:10:48
● 2026-07-15 13:49:14
● 2026-07-26 13:59:08
○A117.122.125.1072026-05-01 → 2026-05-04 · 4 obs
● 2026-05-04 02:33:18
○ 2026-05-09 16:53:52
○ 2026-07-26 13:59:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | c.dns-servers.vn, a.dns-servers.vn, e.dns-servers.vn, g.dns-servers.vn... | 16 records |
| fen.vn | ns-b1.tenten.vn, ns-b2.tenten.vn, ns-b3.tenten.vn | - |
✅ Authoritative Response
Server:2404:f080:1101:321:a150:95:110:1230
NS records: ns-b1.tenten.vn, ns-b2.tenten.vn, ns-b3.tenten.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for fen.vn (unsigned zone)
⏱️ Timing
Total: 4099ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.18.6.109 |
| NS | 3 | ns-b3.tenten.vn, ns-b1.tenten.vn... |
| TXT | 1 | __URL_REDIRECT_URI:tenmien.me |
| SOA | 1 | ns-b3.tenten.vn noreply.tenten.vn |
📌 Glue Records Collected
Total: 16
In-bailiwick: 16 (c.dns-servers.vn, c.dns-servers.vn, a.dns-servers.vn...)
Analysis
Hierarchy
fen.vn is the parent zone for www.fen.vn.
IP Addresses
fen.vn resolves to just one IP address, 103.18.6.109.
Two other host names, along with depcaosu.net, khuyenmai247.vn and vietjetair.biz, also share IP numbers with fen.vn.
Name Servers
fen.vn has three name servers — ns-b1.tenten.vn, ns-b2.tenten.vn and ns-b3.tenten.vn.
fen.vn partially shares its NS delegation with several other domains, including fptwifionline.vn, sfs.vn, vietnetwork.edu.vn and two others.
These name servers regularly co-occur with the name servers ns-a1.tenten.vn, ns-a2.tenten.vn and ns-a3.tenten.vn.
Each of ns-b1.tenten.vn, ns-b2.tenten.vn and ns-b3.tenten.vn points to two IP numbers. ns-b1.tenten.vn points to 137.59.104.67 and 2404:f080:1101:321:a150:95:110:1230. ns-b2.tenten.vn points to 137.59.104.68 and 2404:f080:1101:321:a150:95:110:1231. ns-b3.tenten.vn points to 163.44.207.21 and 2404:f080:1101:321:a150:95:110:1232.