softech.vn - dns.ninja
softech.vn
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 2031-03-24 #0 | ||||||
Subdomains
office.softech.vn |
claude-code.softech.vn |
cloud.softech.vn |
Same first word
Similar names
DNS History
12 records (8 active, 4 former)
○NSns.softech.vn2015-05-30 → 2016-07-07 · 6 obs
● 2016-01-01 09:56:36
○ 2016-03-06 05:15:12
● 2016-07-07 12:28:42
○ 2016-11-26 07:06:12
○ 2026-07-24 03:42:52
●NSns3.vdc3.vn2016-03-06 → 2026-07-24 · 3 obs
● 2016-03-06 05:15:12
● 2026-07-24 03:42:52
●NSns4.vdc3.vn2016-11-26 → 2026-07-24 · 3 obs
● 2016-11-26 07:06:12
● 2026-07-24 03:42:52
●MXalt1.aspmx.l.google.com2015-05-30 → 2026-07-24 · 2 obs
● 2026-07-24 03:42:52
●MXalt2.aspmx.l.google.com2015-05-30 → 2026-07-24 · 2 obs
● 2026-07-24 03:42:52
●MXalt3.aspmx.l.google.com2016-11-26 → 2026-07-24 · 3 obs
● 2016-11-26 07:06:12
● 2026-07-24 03:42:52
●MXalt4.aspmx.l.google.com2016-11-26 → 2026-07-24 · 3 obs
● 2016-11-26 07:06:12
● 2026-07-24 03:42:52
●MXaspmx.l.google.com2015-05-30 → 2026-07-24 · 2 obs
● 2026-07-24 03:42:52
○MXmail.softech.vn2015-05-30 → 2016-07-07 · 4 obs
● 2016-07-07 12:28:42
○ 2016-11-26 07:06:12
○ 2026-07-24 03:42:52
○A104.155.204.822016-11-26 → 2017-07-23 · 5 obs
● 2016-11-26 07:06:12
● 2017-07-23 19:36:32
○ 2026-03-05 12:59:34
○ 2026-07-24 03:42:52
○A203.162.31.1132015-05-30 → 2016-07-07 · 4 obs
● 2016-07-07 12:28:42
○ 2016-11-26 07:06:12
○ 2026-07-24 03:42:52
●A203.171.28.82026-03-05 → 2026-07-24 · 6 obs
● 2026-03-05 12:59:34
● 2026-04-30 19:38:00
○ 2026-04-30 22:35:12
● 2026-04-30 23:43:36
● 2026-07-24 03:42:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | g.dns-servers.vn, f.dns-servers.vn, a.dns-servers.vn, c.dns-servers.vn... | - |
| softech.vn | ns4.vdc3.vn, ns3.vdc3.vn | - |
✅ Authoritative Response
Server:14.225.197.109
NS records: ns4.vdc3.vn, ns3.vdc3.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for softech.vn (unsigned zone)
⏱️ Timing
Total: 2076ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 203.171.28.8 |
| NS | 2 | ns3.vdc3.vn, ns4.vdc3.vn |
| MX | 5 | alt1.aspmx.l.google.com (pri: 5), aspmx.l.google.com (pri: 10)... |
| TXT | 2 | v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQ, google-site-verification=RPl9VCHMAAL03BJ |
| SOA | 1 | ns3.vdc3.vn vdconline.tld |
Analysis
Hierarchy
softech.vn is a parent domain, with office.softech.vn, claude-code.softech.vn and cloud.softech.vn beneath it.
IP Addresses
softech.vn points to a single IP number: 203.171.28.8.
Additional host names — office.softech.vn, ai.ames.edu.vn, toeic.ames.edu.vn and two others — share IP numbers with softech.vn.
Name Servers
softech.vn has two authoritative name servers — ns3.vdc3.vn and ns4.vdc3.vn.
softech.vn shares its name server setup with other domains, including ketnoiso.vn, suckhoeloisong.vn, dqsy.vn and two others.
softech.vn has at least partial name server overlap with other domains, such as ued.edu.vn, ledunghotel.com.vn, mnhoatien2-hoavang.edu.vn and two others.
It is common to see these name servers used together with name servers ns1.vdconline.vn and ns2.vdconline.vn.
ns3.vdc3.vn directs to 14.225.41.137 and ns4.vdc3.vn directs to 14.225.197.109; each host name points to exactly one IP number.
Mail Servers
softech.vn is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.
softech.vn shares mail servers — at least in part — with other domains, including portnoel.com, clarke-group.org, revrobotics.com and two others.
These mail servers are frequently used alongside the mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com and aspmx2.googlemail.com, plus two others.
Host names with two IP numbers:
aspmx.l.google.com resolves to 142.251.163.27 and 2607:f8b0:4004:c21::1b.
alt1.aspmx.l.google.com resolves to 108.177.123.27 and 2800:3f0:4003:c0f::1a.
alt2.aspmx.l.google.com resolves to 172.253.116.26 and 2a00:1450:400b:c02::1b.
alt3.aspmx.l.google.com resolves to 192.178.223.26 and 2a00:1450:4009:c0f::1b.
alt4.aspmx.l.google.com resolves to 172.253.157.26 and 2a00:1450:400c:c23::1a.