ctcont.vn - robtex.com
ctcont.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.124.95.33🇻🇳 NHAN-HOA-AS-VN103.124.95.0/24 NHANHOA-VN | ||||||
| PTR | gir02.nhanhoa.com | ||||||
| NS | ns1.zonedns.vn ⭐ | ||||||
| A | 2401:c080:1400:1cd4:5400:5ff:fe80:ec33🇸🇬 AS-VULTR2401:c080:1400::/38 Vultr Assigned Prefix | ||||||
| A | 64.176.84.220🇸🇬 AS-VULTR64.176.80.0/20 Vultr Assigned Prefix | ||||||
| PTR | ns1.zonedns.vn | ||||||
| NS | ns2.zonedns.vn | ||||||
| A | 2401:c080:1400:1cd4:5400:5ff:fe80:ec33🇸🇬 AS-VULTR2401:c080:1400::/38 Vultr Assigned Prefix | ||||||
| A | 103.176.178.51🇻🇳 NHAN-HOA-AS-VN103.176.178.0/24 NINETECH-VN | ||||||
| NS | ns3.zonedns.vn | ||||||
| A | 2001:df1:3200::15🇻🇳 NHAN-HOA-AS-VN2001:df1:3200::/48 NHANHOA-VN | ||||||
| A | 103.28.36.30🇻🇳 NHAN-HOA-AS-VN103.28.36.0/22 NHANHOA-VN | ||||||
| NS | ns4.zonedns.vn | ||||||
| A | 2001:df1:3200::15🇻🇳 NHAN-HOA-AS-VN2001:df1:3200::/48 NHANHOA-VN | ||||||
| A | 103.28.39.159🇻🇳 NHAN-HOA-AS-VN103.28.36.0/22 NHANHOA-VN | ||||||
| MX | ctcont.vn ⭐ | ||||||
| A | 103.124.95.33🇻🇳 NHAN-HOA-AS-VN103.124.95.0/24 NHANHOA-VN | ||||||
| PTR | gir02.nhanhoa.com | ||||||
| SOA | ns1.zonedns.vnroot@ctcont.vn 2024-01-30 #2 | ||||||
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=2030754076 | ||||||
MX for
ctcont.vn |
Subdomains
Same first word
ctcont.vn |
Similar names
DNS History
6 records (6 active, 0 former)
●NSns1.zonedns.vn2026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 04:58:32
●NSns2.zonedns.vn2026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 04:58:32
●NSns3.zonedns.vn2026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 04:58:32
●NSns4.zonedns.vn2026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 04:58:32
●MXctcont.vn2026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 04:58:32
●A103.124.95.332026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 04:58:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | e.dns-servers.vn, d.dns-servers.vn, g.dns-servers.vn, f.dns-servers.vn... | - |
| ctcont.vn | ns3.zonedns.vn, ns1.zonedns.vn, ns4.zonedns.vn, ns2.zonedns.vn | - |
✅ Authoritative Response
Server:2001:df1:3200::15
NS records: ns3.zonedns.vn, ns1.zonedns.vn, ns4.zonedns.vn, ns2.zonedns.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ctcont.vn (unsigned zone)
⏱️ Timing
Total: 4653ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.124.95.33 |
| NS | 4 | ns1.zonedns.vn, ns3.zonedns.vn... |
| MX | 1 | ctcont.vn (pri: 10) |
| SOA | 1 | ns1.zonedns.vn root.ctcont.vn |
Analysis
Hierarchy
ctcont.vn is a parent of www.ctcont.vn and mail.ctcont.vn.
Mail Server Role
ctcont.vn serves as a mail server for ctcont.vn.
IP Addresses
ctcont.vn points to a single IP: 103.124.95.33.
Other host names, for instance me.codiendaison.vn, luyenthiduchoa.edu.vn, nabadu.vn, www.algoffice.vn and mail.luyenthikhangduy.edu.vn share IP numbers with ctcont.vn.
Name Servers
ctcont.vn's delegation is handled by four name servers: ns1.zonedns.vn, ns2.zonedns.vn, ns3.zonedns.vn and ns4.zonedns.vn.
ctcont.vn partially shares name servers with other domains; examples include donthuocquocgia.vn, vnhappy.edu.vn, noithatkbg.com, phamson.vn and giaydantuonghanquoc.vn.
These name servers are often used with the name servers ns2008.nhanhoa.com.vn and ns2009.nhanhoa.com.vn.
Host names with two IP numbers:
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
Names pointing to 2401:c080:1400:1cd4:5400:5ff:fe80:ec33: ns1.zonedns.vn and ns2.zonedns.vn
Names pointing to 2001:df1:3200::15: ns3.zonedns.vn and ns4.zonedns.vn
Mail Servers
ctcont.vn is handled by a single mail server, ctcont.vn.
ctcont.vn points to a single IP: 103.124.95.33.