apttech.vn - robtex.com
apttech.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=2030756229 | ||||||
Subdomains
www.apttech.vn |
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSns1.zonedns.vn2026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 22:36:32
●NSns2.zonedns.vn2026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 22:36:32
●NSns3.zonedns.vn2026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 22:36:32
●NSns4.zonedns.vn2026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 22:36:32
●MXsmtp.google.com2026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 22:36:32
●A103.121.89.2112026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 22:36:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn... | - |
| apttech.vn | ns1.zonedns.vn, ns2.zonedns.vn, ns3.zonedns.vn, ns4.zonedns.vn | - |
✅ Authoritative Response
Server:103.176.178.51
NS records: ns1.zonedns.vn, ns2.zonedns.vn, ns3.zonedns.vn, ns4.zonedns.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for apttech.vn (unsigned zone)
⏱️ Timing
Total: 5033ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.121.89.211 |
| NS | 4 | ns4.zonedns.vn, ns2.zonedns.vn... |
| MX | 1 | SMTP.GOOGLE.COM (pri: 1) |
| TXT | 2 | google-site-verification=QAjnGw6cJW3vSkt, v=spf1 include:_spf.google.com ~all |
| SOA | 1 | ns1.zonedns.vn root.apttech.vn |
Analysis
Hierarchy
apttech.vn is a parent of www.apttech.vn.
IP Addresses
apttech.vn points to a single IP number: 103.121.89.211.
Other host names, for instance sanitec.vn, apttech.com.vn, apttech.qom.vn and luat247.vn share IP numbers with apttech.vn.
Name Servers
apttech.vn is delegated to four name servers: ns1.zonedns.vn, ns2.zonedns.vn, ns3.zonedns.vn and ns4.zonedns.vn.
apttech.vn at least partially shares name servers with other domains, for instance end.vn, sunrisehoian.vn, thcsdiencat.edu.vn, tailieudayhoc.edu.vn and quatangsangtao.com.
These name servers are commonly used with ns2008.nhanhoa.com.vn and ns2009.nhanhoa.com.vn.
Hosts with two IPs:
ns1.zonedns.vn points to 2401:c080:1400:1cd4:5400:5ff:fe80:ec33 and 64.176.84.220
ns2.zonedns.vn points to 2401:c080:1400:1cd4:5400:5ff:fe80:ec33 and 103.176.178.51
ns3.zonedns.vn points to 2001:df1:3200::15 and 103.28.36.30
ns4.zonedns.vn points to 2001:df1:3200::15 and 103.28.39.159
Hosts pointing to 2401:c080:1400:1cd4:5400:5ff:fe80:ec33: ns1.zonedns.vn and ns2.zonedns.vn
Hosts pointing to 2001:df1:3200::15: ns3.zonedns.vn and ns4.zonedns.vn
Mail Servers
apttech.vn is handled by a single mail server, smtp.google.com.
apttech.vn uses the same mail server configuration as other domains, such as googlecloudplatformlive.com, playbookbets.com, glcb.org, jobandtalentuk.com and itsleversi.com.
apttech.vn shares mail servers with other domains at least in part, for instance leyah.com, bjcdesign.com, skibroncs.com, se-pmmc.com.br and b-exgroup.com.
These mail servers are often used together with the mail servers aspmx.l.google.com.
Host smtp.google.com points to nine IP numbers: 2607:f8b0:4004:c07::1a, 2607:f8b0:4004:c1f::1b, 2607:f8b0:4004:c21::1a, 2607:f8b0:4004:c21::1b, 64.233.180.26, 64.233.180.27, 142.251.179.27, 172.253.62.26 and 172.253.62.27.