usk.vn - robtex.com
usk.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.238.215.20🇻🇳 VTN-1103.238.215.0/24 Vietnam Post and Telecom Corporation (VNPT) | ||||||
| PTR | smtp-out.bizmac.io | ||||||
| NS | ns1.bizmac.net ⭐ | ||||||
| A | 45.117.76.241🇻🇳 BIZMAC-VN-AS45.117.76.0/24 BIZMAC-VN | ||||||
| PTR | ns1.bizmac.net | ||||||
| NS | ns2.bizmac.net | ||||||
| A | 103.238.215.29🇻🇳 VTN-1103.238.215.0/24 Vietnam Post and Telecom Corporation (VNPT) | ||||||
| PTR | ns2.bizmac.net | ||||||
| NS | ns3.bizmac.net ⚠️ Not in parent delegation | ||||||
| A | 45.117.78.29🇻🇳 BIZMAC-VN-AS45.117.78.0/24 BIZMAC-VN | ||||||
| PTR | ns3.bizmac.net | ||||||
| MX | gw.mailpro.vn ⭐ | ||||||
| A | 45.117.76.251🇻🇳 BIZMAC-VN-AS45.117.76.0/24 BIZMAC-VN | ||||||
| PTR | gw.mailpro.vn | ||||||
| MX | hub2.mailpro.vn(10) | ||||||
| A | 45.117.77.130🇻🇳 BIZMAC-VN-AS45.117.77.0/24 BIZMAC-VN | ||||||
| PTR | hub2.mailpro.vn | ||||||
| TXT | v=spf1 include:_spf.mailpro.vn -all | ||||||
| SOA | ns1.bizmac.netdns@bizmac.com 2026-04-20 #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=2030760955 | ||||||
Subdomains
mail.usk.vn |
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSns1.bizmac.net2026-05-01 → 2026-05-11 · 2 obs
● 2026-05-11 18:43:12
●NSns2.bizmac.net2026-05-01 → 2026-05-11 · 2 obs
● 2026-05-11 18:43:12
●NSns3.bizmac.net2026-05-01 → 2026-05-11 · 2 obs
● 2026-05-11 18:43:12
●MXgw.mailpro.vn2026-05-01 → 2026-05-11 · 2 obs
● 2026-05-11 18:43:12
●MXhub2.mailpro.vn2026-05-01 → 2026-05-11 · 2 obs
● 2026-05-11 18:43:12
●A103.238.215.202026-05-01 → 2026-05-11 · 2 obs
● 2026-05-11 18:43:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn... | - |
| usk.vn | ns1.bizmac.net, ns2.bizmac.net | - |
✅ Authoritative Response
Server:45.117.76.241
NS records: ns1.bizmac.net, ns2.bizmac.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for usk.vn (unsigned zone)
⏱️ Timing
Total: 2512ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.238.215.20 |
| NS | 3 | ns3.bizmac.net, ns1.bizmac.net... |
| MX | 2 | gw.mailpro.vn (pri: 0), hub2.mailpro.vn (pri: 10) |
| TXT | 1 | v=spf1 include:_spf.mailpro.vn -all |
| SOA | 1 | ns1.bizmac.net dns.bizmac.com |
Analysis
Hierarchy
usk.vn is a parent of mail.usk.vn.
IP Addresses
usk.vn points to a single IP number: 103.238.215.20.
Other host names, for instance maytrothinh.info, lototuchon.vn, vananhgarments.com.vn, cocoland.vn and vietsovpet.com.vn share IP numbers with usk.vn.
Name Servers
The delegation for usk.vn is handled by three name servers: ns1.bizmac.net, ns2.bizmac.net and ns3.bizmac.net.
usk.vn at least partially shares name servers with other domains, for instance hqcplaza.com, tinhvienphaphanh.com, chothuevps.net, aquafinvn.com and khomecityview.vn.
These name servers are commonly used with the name servers bank.bizmac.net.
Host names with one IP number:
ns1.bizmac.net points to 45.117.76.241.
ns2.bizmac.net points to 103.238.215.29.
ns3.bizmac.net points to 45.117.78.29.
Mail Servers
usk.vn is handled by two mail servers: gw.mailpro.vn and hub2.mailpro.vn.
usk.vn uses the same mail server configuration as other domains, such as copac.com.vn, lucviet.com, cocoland.vn, s4s.com.vn and thuexelimousinenhatrang.vn.
usk.vn shares mail servers with other domains at least in part, for instance vananhgarments.com.vn, nntfood.vn, duykhoi.com, vietsovpet.com.vn and kks.net.vn.
these mail servers are often used with hub1.mailpro.vn and hub3.mailpro.vn.
Host names with one IP number: gw.mailpro.vn points to 45.117.76.251; hub2.mailpro.vn points to 45.117.77.130.