bisoft.vn - robtex.com
bisoft.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 125.212.224.205🇻🇳 VTDC-AS-VN125.212.224.0/24 VIETTEL-VN | ||||||
| NS | a.ns.hostvn.net ⭐ | ||||||
| A | 185.136.96.112🇺🇸 CLOUDNSNET185.136.96.0/24 Cloud DNS Ltd | ||||||
| PTR | a.ns.hostvn.net | ||||||
| A | 185.136.97.112CLOUDNSNET185.136.97.0/24 Cloud DNS Ltd | ||||||
| PTR | a.ns.hostvn.net | ||||||
| NS | b.ns.hostvn.net | ||||||
| A | 185.136.98.112🇺🇸 CLOUDNSNET185.136.98.0/24 Cloud DNS Ltd | ||||||
| PTR | b.ns.hostvn.net | ||||||
| A | 185.136.99.112CLOUDNSNET185.136.99.0/24 Cloud DNS Ltd | ||||||
| PTR | b.ns.hostvn.net | ||||||
| SOA | a.ns.hostvn.nethostmaster@hostvn.net 2023-10-07 #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=2030750801 | ||||||
Subdomains
Same first word
Similar names
DNS History
7 records (3 active, 4 former)
●NSa.ns.hostvn.net2026-05-09 → 2026-05-09 · 3 obs
● 2026-05-09 04:48:54
● 2026-05-09 04:48:58
●NSb.ns.hostvn.net2026-05-09 → 2026-05-09 · 3 obs
● 2026-05-09 04:48:54
● 2026-05-09 04:48:58
○NSns3.vdc3.vn2017-03-27 → 2017-03-27 · 3 obs
○ 2026-05-09 04:48:54
○ 2026-05-09 04:48:58
○NSns4.vdc3.vn2017-03-27 → 2017-03-27 · 3 obs
○ 2026-05-09 04:48:54
○ 2026-05-09 04:48:58
○MXmail.bisoft.vn2017-03-27 → 2017-03-27 · 3 obs
○ 2026-05-09 04:48:54
○ 2026-05-09 04:48:58
●A125.212.224.2052026-05-09 → 2026-05-09 · 3 obs
● 2026-05-09 04:48:54
● 2026-05-09 04:48:58
○A203.162.31.1162017-03-27 → 2017-03-27 · 3 obs
○ 2026-05-09 04:48:54
○ 2026-05-09 04:48:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | a.dns-servers.vn, f.dns-servers.vn, g.dns-servers.vn, d.dns-servers.vn... | - |
| bisoft.vn | b.ns.hostvn.net, a.ns.hostvn.net | - |
✅ Authoritative Response
Server:185.136.99.112
NS records: b.ns.hostvn.net, a.ns.hostvn.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for bisoft.vn (unsigned zone)
⏱️ Timing
Total: 876ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 125.212.224.205 |
| NS | 2 | a.ns.hostvn.net, b.ns.hostvn.net |
| SOA | 1 | a.ns.hostvn.net hostmaster.hostvn.net |
Analysis
Hierarchy
bisoft.vn is a parent of hd.bisoft.vn and cpt.bisoft.vn.
IP Addresses
bisoft.vn resolves to one IP number: 125.212.224.205.
other host names including mail.dongduongland.com, mail.haisanthuy.com, edutra.vn, doctruyenchoban.com and ns1.haisanthuy.com share IP numbers with bisoft.vn.
Name Servers
bisoft.vn is delegated to two name servers a.ns.hostvn.net and b.ns.hostvn.net.
bisoft.vn shares the same name server setup as other domains, for instance ine.vn, tienganhtieuhoc.edu.vn, binggo.edu.vn, canthoso.com and giamua.com.vn.
bisoft.vn shares at least some name servers with other domains, for example laptrinhcuocsong.com, zebratech.vn and uni-fine.com.
these name servers are often used together with ns1.anycast.vn, ns2.anycast.vn, ns3.anycast.vn and ns4.anycast.vn.
Host names with two IP numbers:
The host name a.ns.hostvn.net points to 185.136.96.112 and 185.136.97.112; the host name b.ns.hostvn.net points to 185.136.98.112 and 185.136.99.112.