catechvn.vn - robtex.com
catechvn.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.75.185.57🇻🇳 VNPT-AS-VN103.75.184.0/22 Inet software one member company limited INETSOFT-VN | ||||||
| NS | ns-master.inet.vn ⭐ | ||||||
| A | 202.92.4.8🇻🇳 VNPT-AS-VN202.92.4.0/22 INET-VN | ||||||
| NS | ns1.inet.vn | ||||||
| A | 2001:df7:ce00:1::7🇻🇳 VNPT-AS-VN2001:df7:ce00::/48 INETSOFT-VN Inet software one member company limited | ||||||
| A | 202.92.4.25🇻🇳 VNPT-AS-VN202.92.4.0/22 INET-VN | ||||||
| NS | ns2.inet.vn | ||||||
| A | 2401:5f80:2001:4::30🇻🇳 VTDC-AS-VN2401:5f80:2000::/36 VTDC-VN | ||||||
| A | 210.211.99.38🇻🇳 VTDC-AS-VN210.211.99.0/24 Proxy-registered route object | ||||||
| MX | mx.inet.vn ⭐ | ||||||
| A | 103.72.96.6🇻🇳 INETSOFT-AS-VN103.72.96.0/22 INETSOFT-VN | ||||||
| PTR | mailer-smtp-in.onemail.vn | ||||||
| A | 103.72.96.8🇻🇳 INETSOFT-AS-VN103.72.96.0/22 INETSOFT-VN | ||||||
| PTR | mailer-smtp-in01.onemail.vn | ||||||
| A | 103.72.96.9🇻🇳 INETSOFT-AS-VN103.72.96.0/22 INETSOFT-VN | ||||||
| PTR | mailer-smtp-in02.onemail.vn | ||||||
| A | 103.216.116.158🇻🇳 VNPT-AS-VN103.216.116.0/22 INETSOFT-VN | ||||||
| PTR | mailgw.inet.vn | ||||||
| TXT | v=spf1 a mx include:_spf.inet.vn ~all | ||||||
| SOA | ns-master.inet.vnpostmaster@inet.vn 2015-07-28 #0 | ||||||
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=2030740422 | ||||||
Subdomains
Same first word
catechvn.vn |
Similar names
cvanecht.com |
vcantech.co.in |
vcantech.ca |
vcantech.biz |
vcantech.in |
vcantech.com |
chancetv.ru |
avctechn.sbs |
chancetv.net |
avtechcn.com |
avtechcn.cn |
vanctech.com |
chancetv.com |
actechvn.com |
DNS History
5 records (5 active, 0 former)
●NSns-master.inet.vn2026-05-01 → 2026-05-07 · 2 obs
● 2026-05-07 01:19:20
●A103.75.185.572026-05-01 → 2026-05-07 · 2 obs
● 2026-05-07 01:19:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn... | - |
| catechvn.vn | ns1.inet.vn, ns2.inet.vn | 2 records |
✅ Authoritative Response
Server:202.92.4.253
NS records: ns1.inet.vn, ns2.inet.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for catechvn.vn (unsigned zone)
⏱️ Timing
Total: 4046ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.75.185.57 |
| NS | 2 | ns1.inet.vn, ns2.inet.vn |
| MX | 1 | mx.inet.vn (pri: 5) |
| TXT | 1 | v=spf1 a mx include:_spf.inet.vn ~all |
| SOA | 1 | ns-master.inet.vn postmaster.inet.vn |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns2.inet.vn, ns1.inet.vn)
Analysis
Hierarchy
catechvn.vn is the parent of webmail.catechvn.vn and www.catechvn.vn.
IP Addresses
catechvn.vn resolves to a single IP: 103.75.185.57.
Other host names, for instance osungvina.duy8.name.vn, www.hondabacgiang.duy8.name.vn, www.osungvina.duy8.name.vn, www.banhtrungthu.duy8.name.vn and parami.duy8.name.vn share IP numbers with catechvn.vn.
Name Servers
catechvn.vn delegates to three name servers: ns-master.inet.vn, ns1.inet.vn and ns2.inet.vn.
catechvn.vn shares some name servers with other domains, for example topceo.edu.vn, 3tmart.com.vn, maycokhihongky.com, masterihomes.com.vn and ducminhtam.com.
These name servers are often used together with ns3.inet.vn, hcmc3.saigonnet.vn and hcmc4.saigonnet.vn.
Host names with two IP numbers:
ns1.inet.vn points to 2001:df7:ce00:1::7 and 202.92.4.25.
ns2.inet.vn points to 2401:5f80:2001:4::30 and 210.211.99.38.
Host names with one IP number:
ns-master.inet.vn points to 202.92.4.8.
Mail Servers
catechvn.vn is handled by a single mail server, mx.inet.vn.
catechvn.vn shares the mail server setup with other domains, for example newsmedia.vn, vietnamtophouse.vn, havilandhouse.com, giantbarb.com and ccqc.vn.
catechvn.vn shares some mail servers with other domains, at least partially; for instance labeltruongthinh.com, egosolar.vn, dogovanhue.com, 7golf.vn and hanoiweb.com.vn.
mx.inet.vn resolves to four IPs: 103.72.96.6, 103.72.96.8, 103.72.96.9 and 103.216.116.158.