docom.edu.vn - robtex.com
docom.edu.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 45.252.248.87🇻🇳 AZDIGI-AS-VN45.252.248.0/22 AZDIGI-VN | ||||||
| NS | ns3.azdigi.com ⭐ | ||||||
| A | 45.252.248.5🇻🇳 AZDIGI-AS-VN45.252.248.0/22 AZDIGI-VN | ||||||
| NS | ns4.azdigi.com | ||||||
| A | 103.221.222.220🇻🇳 AZDIGI-AS-VN103.221.220.0/22 AZDIGI-VN | ||||||
| MX | smtp.umailsmtp.com ⭐ | ||||||
| TXT | v=spf1 +a +mx +ip4:45.252.248.130 include:azdigi-mailgateway.com +ip4:45.252.... | ||||||
| SOA | ns3.azdigi.comhosting-admin@azdigi.com 2026-05-15 #0 | ||||||
edu.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=2018566026 | ||||||
Subdomains
doskills.docom.edu.vn |
mail.docom.edu.vn |
lms.docom.edu.vn |
dostem.docom.edu.vn |
www.docom.edu.vn |
lms1.docom.edu.vn |
Same first word
docom.co |
docom.be |
docom.net |
docom.ca |
docom.eu |
docom.co.jp |
docom.jp |
docom.com.ua |
docom.nl |
docom.edu.vn |
docom.org |
docom.pl |
docom.co.uk |
docom.com |
docom.ro |
docom.it |
docom.biz |
docom.cn |
docom.de |
Similar names
DNS History
4 records (4 active, 0 former)
●NSns3.azdigi.com2026-04-30 → 2026-05-15 · 2 obs
● 2026-05-15 02:12:32
●NSns4.azdigi.com2026-04-30 → 2026-05-15 · 2 obs
● 2026-05-15 02:12:32
●MXsmtp.umailsmtp.com2026-04-30 → 2026-05-15 · 2 obs
● 2026-05-15 02:12:32
●A45.252.248.872026-04-30 → 2026-05-15 · 2 obs
● 2026-05-15 02:12:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn... | - |
| docom.edu.vn | ns3.azdigi.com, ns4.azdigi.com | - |
✅ Authoritative Response
Server:103.221.222.220
NS records: ns3.azdigi.com, ns4.azdigi.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for docom.edu.vn (unsigned zone)
⏱️ Timing
Total: 1988ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 45.252.248.87 |
| NS | 2 | ns3.azdigi.com, ns4.azdigi.com |
| MX | 1 | smtp.umailsmtp.com (pri: 10) |
| TXT | 1 | v=spf1 +a +mx +ip4:45.252.248.130 includ |
| SOA | 1 | ns3.azdigi.com hosting-admin.azdigi.com |
Analysis
Hierarchy
docom.edu.vn is a parent of doskills.docom.edu.vn, mail.docom.edu.vn, lms.docom.edu.vn, dostem.docom.edu.vn, www.docom.edu.vn and several other host names.
IP Addresses
docom.edu.vn points to a single IP number: 45.252.248.87.
other host names for instance www.edc.edu.vn, edc.edu.vn, edc.edu.vn.docom.edu.vn, www.doskills.edu.vn and lms1.docom.edu.vn share IP numbers with docom.edu.vn.
Name Servers
docom.edu.vn is delegated to two name servers: ns3.azdigi.com and ns4.azdigi.com.
docom.edu.vn shares the same name server setup as other domains, for example chocongnghiepviet.com, vietnhatpower.vn, myepexpaint.com, simpleenglish.com.vn and momita.vn.
docom.edu.vn at least partially shares name servers with other domains, for instance ferma-potapovo.com, luxuryevent.vn, phukienmaytinh.vn, hiephoivsa.com.vn and fptvietnam.net.
These name servers are often used together with the name servers ns1.matbao.vn, ns2.matbao.vn, ns4azdigi.com, ns1.matbao.com, ns1.azdigi.com, ns2.azdigi.com, ns2.matbao.com, nsbak.pavietnam.net, ns1.pavietnam.vn and ns2.pavietnam.vn.
Host names with one IP number:
The host ns3.azdigi.com points to 45.252.248.5 and the host ns4.azdigi.com points to 103.221.222.220.
Mail Servers
docom.edu.vn is handled by a single mail server, smtp.umailsmtp.com.
docom.edu.vn shares the same mail server setup as other domains, for instance hoanghalogistics.com.vn, kona.com.vn, nongsandungha.com, sieuthison24h.com and pranagreen.com.
docom.edu.vn shares mail servers with other domains at least partially, including sca.edu.vn, linhnhataudio.com, tmctech.vn, bigboxfulfillment.vn and truongphatland.vn.