gfctech.vn - robtex.com
gfctech.vn
vn
| DNSSEC | ⚠️ Not signed | ||||||
| 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=2030751935 | ||||||
Subdomains
www.gfctech.vn |
Same first word
Similar names
DNS History
9 records (9 active, 0 former)
●MXalt1.aspmx.l.google.com2026-05-01 → 2026-05-09 · 2 obs
● 2026-05-09 16:01:28
●MXalt2.aspmx.l.google.com2026-05-01 → 2026-05-09 · 2 obs
● 2026-05-09 16:01:28
●MXalt3.aspmx.l.google.com2026-05-01 → 2026-05-09 · 2 obs
● 2026-05-09 16:01:28
●MXalt4.aspmx.l.google.com2026-05-01 → 2026-05-09 · 2 obs
● 2026-05-09 16:01:28
●MXaspmx.l.google.com2026-05-01 → 2026-05-09 · 2 obs
● 2026-05-09 16:01:28
●A103.221.221.692026-05-01 → 2026-05-09 · 2 obs
● 2026-05-09 16:01:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn... | - |
| gfctech.vn | ns-b1.tenten.vn, ns-b2.tenten.vn, ns-b3.tenten.vn | - |
✅ Authoritative Response
Server:137.59.104.68
NS records: ns-b1.tenten.vn, ns-b2.tenten.vn, ns-b3.tenten.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for gfctech.vn (unsigned zone)
⏱️ Timing
Total: 3141ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.221.221.69 |
| NS | 3 | ns-b2.tenten.vn, ns-b1.tenten.vn... |
| MX | 5 | aspmx.l.google.com (pri: 1), alt4.aspmx.l.google.com (pri: 10)... |
| TXT | 2 | google-site-verification=mmNIO0yGpLGj1qS, v=spf1 include:_spf.google.com ~all |
| SOA | 1 | ns-b3.tenten.vn noreply.tenten.vn |
Analysis
Hierarchy
gfctech.vn is the parent of www.gfctech.vn.
IP Addresses
gfctech.vn resolves to one IP number: 103.221.221.69.
other host names including nhatkylamsen.vn, vuondao.com, gipfulfillment.com, xuongingiare.vn and www.topthe.com.vn share IP numbers with gfctech.vn.
Name Servers
gfctech.vn is delegated to three name servers ns-b1.tenten.vn, ns-b2.tenten.vn and ns-b3.tenten.vn.
gfctech.vn at least partially shares name servers with other domains, for instance akyo.vn, kynanglamgiau.edu.vn, congnghekimphat.vn, tuvivanmenh.vn and midorikensetu.vn.
Host names with two IP numbers:
ns-b1.tenten.vn points to: 2404:f080:1101:321:a150:95:110:1230 and 137.59.104.67.
ns-b2.tenten.vn points to: 2404:f080:1101:321:a150:95:110:1231 and 137.59.104.68.
ns-b3.tenten.vn points to: 2404:f080:1101:321:a150:95:110:1232 and 163.44.207.21.
Mail Servers
gfctech.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.
gfctech.vn shares some mail servers with other domains, at least partially, for instance ns500754.ns500731.ns500671.ns500731.ns500671.ns500671.ns500742.ns500704.ns500705.ns500671.lustychickser.com, ns500758.ns500758.ns500698.ns500698.ns500735.ns500736.ns500735.ns500736.ns500698.ns500698.ns500735.ns500576.ns500576.ns500576.ns500652.trackreceptor.com, ns500734.ns500734.ns500693.ns500693.ns500734.ns500699.ns500699.ns500699.ns500588.ns500588.ns500699.ns500602.ns500578.ns500110.dtrkdll.com, ns500765.ns500699.ns500693.ns500699.ns500693.ns500734.ns500734.ns500693.ns500693.ns500588.ns500588.ns500632.ns500632.ns500588.ns500588.dtrkdll.com and groomassocies.com.
These mail servers are commonly used alongside aspmx2.googlemail.com and aspmx3.googlemail.com.
Host names with two IP numbers:
aspmx.l.google.com points to 2607:f8b0:4004:c08::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 172.253.116.27
alt3.aspmx.l.google.com points to 2607:f8b0:4023:1015::1b and 172.253.135.26
alt4.aspmx.l.google.com points to 2a00:1450:400c:c00::1b and 173.194.76.26