ctnc.org.vn - robtex.com
ctnc.org.vn
org.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=2017789965 | ||||||
Subdomains
cpanel.ctnc.org.vn |
cpcalendars.ctnc.org.vn |
webmail.ctnc.org.vn |
www.ctnc.org.vn |
carbon.ctnc.org.vn |
cpcontacts.ctnc.org.vn |
webdisk.ctnc.org.vn |
Same first word
Similar names
DNS History
9 records (9 active, 0 former)
●NSdnssec1.pavietnam.vn2026-05-01 → 2026-05-11 · 2 obs
● 2026-05-11 21:34:02
●NSdnssec2.pavietnam.vn2026-05-01 → 2026-05-11 · 2 obs
● 2026-05-11 21:34:02
●NSdnssecbak.pavietnam.net2026-05-01 → 2026-05-11 · 2 obs
● 2026-05-11 21:34:02
●MXalt1.aspmx.l.google.com2026-05-01 → 2026-05-11 · 2 obs
● 2026-05-11 21:34:02
●MXalt2.aspmx.l.google.com2026-05-01 → 2026-05-11 · 2 obs
● 2026-05-11 21:34:02
●MXalt3.aspmx.l.google.com2026-05-01 → 2026-05-11 · 2 obs
● 2026-05-11 21:34:02
●MXalt4.aspmx.l.google.com2026-05-01 → 2026-05-11 · 2 obs
● 2026-05-11 21:34:02
●MXaspmx.l.google.com2026-05-01 → 2026-05-11 · 2 obs
● 2026-05-11 21:34:02
●A172.96.185.1742026-05-01 → 2026-05-11 · 2 obs
● 2026-05-11 21:34:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn... | - |
| ctnc.org.vn | dnssecbak.pavietnam.net, dnssec2.pavietnam.vn, dnssec1.pavietnam.vn | - |
✅ Authoritative Response
Server:203.162.78.50
NS records: dnssecbak.pavietnam.net, dnssec2.pavietnam.vn, dnssec1.pavietnam.vn
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 2405ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 172.96.185.174 |
| NS | 3 | dnssecbak.pavietnam.net, dnssec2.pavietnam.vn... |
| MX | 5 | alt1.aspmx.l.google.com (pri: 5), aspmx.l.google.com (pri: 1)... |
| TXT | 2 | v=spf1 include:_spf.google.com ~all, google-site-verification=fJaSpUliev5fVwB |
| SOA | 1 | dnssec1.pavietnam.vn hostmaster.ctnc.org |
Analysis
Hierarchy
ctnc.org.vn is a parent of cpanel.ctnc.org.vn, cpcalendars.ctnc.org.vn, webmail.ctnc.org.vn, www.ctnc.org.vn and carbon.ctnc.org.vn, plus a few other host names.
IP Addresses
ctnc.org.vn resolves to one IP number: 172.96.185.174.
Other host names, for instance beautyofjapantours.com, cpanel.ctnc.org.vn, khoahocvakhampha.com.vn, cpcalendars.ctnc.org.vn and lambangdaihoc.com share IP numbers with ctnc.org.vn.
Name Servers
ctnc.org.vn is delegated to three name servers: dnssecbak.pavietnam.net, dnssec1.pavietnam.vn and dnssec2.pavietnam.vn.
ctnc.org.vn at least partially shares name servers with other domains, including miho.vn, viettruss.com, natonic.com.vn, lsip.com.vn and nuocnong.vn.
These name servers are commonly used with ns1.pavietnam.vn, ns2.pavietnam.vn and nsbak.pavietnam.net.
Host names with two IP numbers:
dnssecbak.pavietnam.net: 2406:9c80::9000:d203 and 203.162.78.50
dnssec1.pavietnam.vn: 2406:9c80::9000:202 and 112.213.82.186
dnssec2.pavietnam.vn: 2406:9c80::9000:d202 and 222.255.121.214
Mail Servers
ctnc.org.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.
ctnc.org.vn shares at least some mail servers with other domains, for example avapb.com, ns500742.ns500731.ns500742.ns500671.ns500671.ns500731.ns500704.ns500731.ns500688.ns500678.ns500678.ns500671.ns500666.ns500291.ns500291.ns500131.lustychickser.com, chelsea-nutrition.com, ns500754.ns500742.ns500742.ns500754.ns500742.ns500731.ns500704.ns500688.ns500671.ns500688.ns500291.ns500688.ns500649.ns500649.lustychickser.com and ns500731.ns500742.ns500742.ns500671.ns500754.ns500704.ns500671.ns500704.ns500688.ns500704.ns500688.ns500649.ns500649.ns500666.tenderladiesbz.com.
these mail servers are often used with aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and aspmx5.googlemail.com.
Host names with two IP numbers:
aspmx.l.google.com points to: 2607:f8b0:4023:c0d::1b and 142.250.101.27.
alt1.aspmx.l.google.com points to: 2800:3f0:4003:c0f::1b and 108.177.123.27.
alt2.aspmx.l.google.com points to: 2a00:1450:400b:c02::1a and 172.253.116.26.
alt3.aspmx.l.google.com points to: 2a00:1450:4009:c0f::1a and 192.178.223.27.
alt4.aspmx.l.google.com points to: 2a00:1450:400c:c00::1a and 173.194.76.27.