cisdoma.org.vn - robtex.com
cisdoma.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=2017790004 | ||||||
WOT: SAFE (99/100)
Subdomains
Same first word
cisdoma.org.vn |
Similar names
DNS History
10 records (4 active, 6 former)
●NSns1.vdconline.vn2020-01-31 → 2026-05-15 · 2 obs
● 2026-05-15 08:29:00
●NSns2.vdconline.vn2020-01-31 → 2026-05-15 · 2 obs
● 2026-05-15 08:29:00
○MXalt1.aspmx.l.google.com2020-01-31 → 2020-01-31 · 3 obs
○ 2026-05-01 06:59:16
○ 2026-05-15 08:29:00
○MXalt2.aspmx.l.google.com2020-01-31 → 2020-01-31 · 3 obs
○ 2026-05-01 06:59:16
○ 2026-05-15 08:29:00
○MXalt3.aspmx.l.google.com2020-01-31 → 2020-01-31 · 3 obs
○ 2026-05-01 06:59:16
○ 2026-05-15 08:29:00
○MXalt4.aspmx.l.google.com2020-01-31 → 2020-01-31 · 3 obs
○ 2026-05-01 06:59:16
○ 2026-05-15 08:29:00
○MXaspmx.l.google.com2020-01-31 → 2020-01-31 · 3 obs
○ 2026-05-01 06:59:16
○ 2026-05-15 08:29:00
●MXcisdoma-org-vn.mail.protection.outlook.com2026-05-01 → 2026-05-15 · 3 obs
● 2026-05-01 06:59:16
● 2026-05-15 08:29:00
●A103.28.36.2192026-05-01 → 2026-05-15 · 3 obs
● 2026-05-01 06:59:16
● 2026-05-15 08:29:00
○A103.28.39.1232020-01-31 → 2020-01-31 · 3 obs
○ 2026-05-01 06:59:16
○ 2026-05-15 08:29:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | c.dns-servers.vn, a.dns-servers.vn, e.dns-servers.vn, g.dns-servers.vn... | 16 records |
| cisdoma.org.vn | ns2.vdconline.vn, ns1.vdconline.vn | - |
✅ Authoritative Response
Server:14.225.41.137
NS records: ns2.vdconline.vn, ns1.vdconline.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cisdoma.org.vn (unsigned zone)
⏱️ Timing
Total: 2662ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.28.36.219 |
| NS | 2 | ns1.vdconline.vn, ns2.vdconline.vn |
| MX | 1 | cisdoma-org-vn.mail.protection.outlook.c |
| TXT | 1 | v=spf1 include:spf.protection.outlook.co |
| SOA | 1 | ns1.vdconline.vn vdconline.tld |
📌 Glue Records Collected
Total: 16
In-bailiwick: 16 (c.dns-servers.vn, c.dns-servers.vn, a.dns-servers.vn...)
Analysis
Hierarchy
cisdoma.org.vn is a parent of www.cisdoma.org.vn and demo.cisdoma.org.vn.
IP Addresses
cisdoma.org.vn maps to IP address 103.28.36.219.
Other host names, for instance root.htcc.edu.vn, root.yduocbacgiang.edu.vn, www.thanglongtech.com.vn, goldcatmotor.vn and omgroup.com.vn share IP numbers with cisdoma.org.vn.
Name Servers
Two name servers ns1.vdconline.vn and ns2.vdconline.vn are delegated to cisdoma.org.vn.
cisdoma.org.vn uses the same name server configuration as other domains, such as thptsontra.edu.vn, smarketing.vn, htv.org.vn, nhatrangtex.com and jst.vn.
cisdoma.org.vn at least partially shares name servers with other domains, including caosukrongbuk.com.vn, tienluc.vn and diyzone.vn.
Host names with a single IP address:
ns1.vdconline.vn points to 14.225.41.137
ns2.vdconline.vn points to 14.225.197.109
Mail Servers
cisdoma.org.vn is handled by a single mail server, cisdoma-org-vn.mail.protection.outlook.com.
cisdoma-org-vn.mail.protection.outlook.com resolves to six IP numbers: 2a01:111:f403:cc09::, 2a01:111:f403:cc1a::8, 2a01:111:f403:cc1f::4, 52.101.124.117, 52.101.137.0 and 52.101.157.80.