viet-tech.vn - robtex.com
viet-tech.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=2030753569 | ||||||
Subdomains
www.viet-tech.vn |
Same first word
viet-tech.com |
viet-tech.vn |
DNS History
9 records (9 active, 0 former)
●NSns1.matbao.com2026-05-01 → 2026-05-09 · 2 obs
● 2026-05-09 22:48:54
●NSns2.matbao.com2026-05-01 → 2026-05-09 · 2 obs
● 2026-05-09 22:48:54
●MXalt1.aspmx.l.google.com2026-05-01 → 2026-05-09 · 2 obs
● 2026-05-09 22:48:54
●MXalt2.aspmx.l.google.com2026-05-01 → 2026-05-09 · 2 obs
● 2026-05-09 22:48:54
●MXalt3.aspmx.l.google.com2026-05-01 → 2026-05-09 · 2 obs
● 2026-05-09 22:48:54
●MXalt4.aspmx.l.google.com2026-05-01 → 2026-05-09 · 2 obs
● 2026-05-09 22:48:54
●MXaspmx.l.google.com2026-05-01 → 2026-05-09 · 2 obs
● 2026-05-09 22:48:54
●A103.138.88.662026-05-01 → 2026-05-09 · 2 obs
● 2026-05-09 22:48:54
●A2404:c6c0::662026-05-01 → 2026-05-09 · 2 obs
● 2026-05-09 22:48:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn... | - |
| viet-tech.vn | ns2.matbao.com, ns1.matbao.com | - |
✅ Authoritative Response
Server:13.250.228.99
NS records: ns2.matbao.com, ns1.matbao.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for viet-tech.vn (unsigned zone)
⏱️ Timing
Total: 1833ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.138.88.66 |
| AAAA | 1 | 2404:c6c0::66 |
| NS | 2 | ns1.matbao.com, ns2.matbao.com |
| MX | 5 | ALT2.ASPMX.L.GOOGLE.COM (pri: 5), ASPMX.L.GOOGLE.COM (pri: 1)... |
| SOA | 1 | ns1.matbao.com admin.matbao.com |
Analysis
Hierarchy
www.viet-tech.vn has viet-tech.vn as its parent.
IP Addresses
viet-tech.vn points to two IPs: 2404:c6c0::66 and 103.138.88.66.
Other host names, for instance wemaster.edu.vn, diduhocuc.edu.vn, kcnnamthuan.vn, goasiatravel.com and blower.com.vn share IP numbers with viet-tech.vn.
Name Servers
Two name servers ns1.matbao.com and ns2.matbao.com are delegated to viet-tech.vn.
viet-tech.vn uses the same name server configuration as other domains, such as uynam.com, nhakhoahtdentist.com, camdoxeoto.com, dichvuketoantonghop.com and remcuatphcm.com.
viet-tech.vn at least partially shares name servers with other domains such as biaden.vn, physocare.com, benhviendakhoasonuyen.com, butlamy.vn and dienmaycuonglinh.com.
These name servers are often used together with ns1.matbao.vn, ns2.matbao.vn, ns3.matbao.com, ns1.digipowerdns.com, ns2.digipowerdns.com, ns3.digipowerdns.com, ns4.digipowerdns.com and ns4.matbao.com.
Host names with two IPs:
ns1.matbao.com points to 13.250.228.99 and 103.110.128.60.
ns2.matbao.com points to 35.198.203.127 and 103.138.89.11.
Mail Servers
viet-tech.vn is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.
viet-tech.vn shares mail servers with other domains at least in part, for instance ns500671.ns500671.ns500671.ns500742.ns500731.ns500671.ns500688.ns500678.ns500671.ns500705.ns500705.ns500678.ns500291.ns500666.ns500291.ns500131.lustychickser.com, ns500731.ns500754.ns500754.ns500671.ns500704.ns500742.ns500671.ns500705.ns500705.ns500291.lustychickser.com, ns500698.ns500759.ns500759.ns500736.ns500736.ns500736.ns500735.ns500736.ns500698.ns500708.ns500698.ns500652.ns500576.ns500576.trackreceptor.com, ns500758.ns500759.ns500698.ns500736.ns500736.ns500698.ns500735.ns500736.ns500698.ns500736.ns500576.ns500619.ns500686.ns500576.ns500619.trackreceptor.com and ns500759.ns500698.ns500759.ns500698.ns500736.ns500698.ns500698.ns500698.ns500735.ns500698.ns500576.ns500619.ns500698.trackreceptor.com.
These mail servers are often used together with aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and aspmx5.googlemail.com.
Two IPs per host name:
aspmx.l.google.com points to: 2607:f8b0:4004:c1b::1a and 172.253.115.26
alt1.aspmx.l.google.com points to: 2607:f8b0:4023:2801::1a and 192.178.128.27
alt2.aspmx.l.google.com points to: 2a00:1450:400b:c02::1a and 172.253.116.26
alt3.aspmx.l.google.com points to: 2607:f8b0:4023:1015::1b and 172.253.135.27
alt4.aspmx.l.google.com points to: 2a00:1450:4025:c01::1b and 142.250.147.26
Pattern: left IDs ascend by 9 (12, 21, 30, 39, 48); each pair of targets ascend by 9 (15/18, 24/27, 33/36, 42/45, 51/54)