ctdtech.io.vn - robtex.com
ctdtech.io.vn
io.vn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | dns-master.vnnic.vn ⭐ | ||||||
| NS | a.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | b.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | c.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | d.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | e.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | f.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | g.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | h.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| SOA | dns-master.vnnic.vnpostmaster@vnnic.vn serial=2023599010 | ||||||
rank #12716 globally
rank #15 in the tld
this domain io.vn is a two-label domain name formed by the labels io and vn. It can be registered to host a website, route email, or point to other online services. Its actual use depends on DNS records and ownership; without those, it simply resolves to nothing.
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●MXmx.mailhost12.net2026-05-13 → 2026-05-13 · 2 obs
● 2026-05-13 09:33:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | c.dns-servers.vn, d.dns-servers.vn, g.dns-servers.vn, f.dns-servers.vn... | - |
| ctdtech.io.vn | ns-b3.tenten.vn, ns-b2.tenten.vn, ns-b1.tenten.vn | - |
✅ Authoritative Response
Server:163.44.207.21
NS records: ns-b3.tenten.vn, ns-b2.tenten.vn, ns-b1.tenten.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ctdtech.io.vn (unsigned zone)
⏱️ Timing
Total: 2397ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 3 | ns-b2.tenten.vn, ns-b1.tenten.vn... |
| MX | 1 | mx.mailhost12.net (pri: 1) |
| SOA | 1 | ns-b3.tenten.vn noreply.tenten.vn |
Analysis
Name Servers
ctdtech.io.vn is delegated to three name servers: ns-b1.tenten.vn, ns-b2.tenten.vn and ns-b3.tenten.vn.
ctdtech.io.vn at least partially shares name servers with other domains, including akamoving.vn, trannhomgiago.vn, xkldvietphat.edu.vn, onllearn.vn and dothodongtien.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
ctdtech.io.vn is handled by a single mail server, mx.mailhost12.net.
ctdtech.io.vn shares its mail server setup with other domains, including hotrod.top, professorpk.com, aptarmezzovico.com, crowfiles.shop and saigh5.com.br.
ctdtech.io.vn shares some mail servers with other domains, for instance rbesar.info, simpson-assoc.com, jeffpayne.net and pentest-abc.net.
mx.mailhost12.net points to a single IP: 157.230.203.88.