techduc.com - dns.ninja
techduc.com
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1785624712 | ||||||
Subdomains
mail.techduc.com |
Same first word
techduc.com |
Similar names
DNS History
16 records (8 active, 8 former)
○NS(root)2015-08-12 → 2017-06-05 · 5 obs
● 2015-08-12 11:27:44
● 2017-06-05 16:41:34
○ 2026-03-16 08:32:56
○ 2026-08-01 23:16:26
●NSns1.matbao.com2026-03-16 → 2026-08-01 · 3 obs
● 2026-03-16 08:32:56
● 2026-08-01 23:16:26
○NSns10.vinahosts.net2008-03-08 → 2008-03-08 · 3 obs
○ 2015-08-12 11:27:44
○ 2026-08-01 23:16:26
○NSns19.vinahosts.net2008-03-08 → 2008-03-08 · 3 obs
○ 2015-08-12 11:27:44
○ 2026-08-01 23:16:26
●NSns2.matbao.com2026-03-16 → 2026-08-01 · 3 obs
● 2026-03-16 08:32:56
● 2026-08-01 23:16:26
○NSns20.vinahosts.net2008-03-08 → 2008-03-08 · 3 obs
○ 2015-08-12 11:27:44
○ 2026-08-01 23:16:26
○NSns9.vinahosts.net2008-03-08 → 2008-03-08 · 3 obs
○ 2015-08-12 11:27:44
○ 2026-08-01 23:16:26
●MXalt1.aspmx.l.google.com2026-03-16 → 2026-08-01 · 3 obs
● 2026-03-16 08:32:56
● 2026-08-01 23:16:26
●MXalt2.aspmx.l.google.com2026-03-16 → 2026-08-01 · 3 obs
● 2026-03-16 08:32:56
● 2026-08-01 23:16:26
●MXalt3.aspmx.l.google.com2026-03-16 → 2026-08-01 · 3 obs
● 2026-03-16 08:32:56
● 2026-08-01 23:16:26
●MXalt4.aspmx.l.google.com2026-03-16 → 2026-08-01 · 3 obs
● 2026-03-16 08:32:56
● 2026-08-01 23:16:26
●MXaspmx.l.google.com2026-03-16 → 2026-08-01 · 3 obs
● 2026-03-16 08:32:56
● 2026-08-01 23:16:26
○MXmail.techduc.com2008-03-08 → 2017-06-05 · 4 obs
● 2017-06-05 16:41:34
○ 2026-03-16 08:32:56
○ 2026-08-01 23:16:26
○A115.84.182.502015-08-12 → 2017-06-05 · 5 obs
● 2015-08-12 11:27:44
● 2017-06-05 16:41:34
○ 2026-03-16 08:32:56
○ 2026-08-01 23:16:26
●A125.212.253.2142026-03-16 → 2026-08-01 · 3 obs
● 2026-03-16 08:32:56
● 2026-08-01 23:16:26
○A210.245.122.222008-03-08 → 2008-03-08 · 3 obs
○ 2015-08-12 11:27:44
○ 2026-08-01 23:16:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| techduc.com | ns1.matbao.com, ns2.matbao.com | 4 records |
✅ Authoritative Response
Server:103.110.128.60
NS records: ns1.matbao.com, ns2.matbao.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for techduc.com (unsigned zone)
⏱️ Timing
Total: 570ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 125.212.253.214 |
| NS | 2 | ns2.matbao.com, ns1.matbao.com |
| MX | 5 | ASPMX.L.GOOGLE.com (pri: 1), ALT1.ASPMX.L.GOOGLE.com (pri: 5)... |
| TXT | 1 | google-site-verification=JqFUOaSi5aI0Hsu |
| SOA | 1 | ns1.matbao.com admin.matbao.com |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns1.matbao.com, ns1.matbao.com, ns2.matbao.com...)
Analysis
Hierarchy
mail.techduc.com is delegated beneath techduc.com.
IP Addresses
techduc.com has exactly one IP address — 125.212.253.214.
doannhat.com.vn, catalan.vn, khangphuchouse.com.vn plus two other host names have IP numbers in common with techduc.com.
Name Servers
techduc.com has two authoritative name servers — ns1.matbao.com and ns2.matbao.com.
The name server configuration of techduc.com is shared with other domains, for instance vietnamkarate.net, kiemdinhndt.com, thethaophongson.net and two others.
There is at least partial name server overlap between techduc.com and other domains — duongkhang.vn, bucep.net, tructhang.vn and two more among them.
These name servers frequently co-occur with the name servers ns1.matbao.vn and ns2.matbao.vn.
Both ns1.matbao.com and ns2.matbao.com have two IP addresses each. ns1.matbao.com resolves to 13.250.228.99 and 103.110.128.60; ns2.matbao.com resolves to 35.198.203.127 and 103.138.89.11.
Mail Servers
Five mail servers handle techduc.com: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.
At least some of the mail servers used by techduc.com are shared with other domains: luxurydc.com.au, rentokilna.com, ns500754.ns500742.ns500731.ns500742.ns500742.ns500671.ns500704.ns500704.ns500704.ns500705.ns500678.ns500688.ns500649.ns500649.lustychickser.com and two others among them.
These mail servers often appear in conjunction with the mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com.
Host names pointing to two IP addresses:
aspmx.l.google.com resolves to 142.251.179.26 and 2607:f8b0:4004:c0b::1b.
alt1.aspmx.l.google.com resolves to 108.177.123.26 and 2800:3f0:4003:c0f::1a.
alt2.aspmx.l.google.com resolves to 172.253.116.26 and 2a00:1450:400b:c02::1a.
alt3.aspmx.l.google.com resolves to 192.178.223.27 and 2a00:1450:4009:c0f::1b.
alt4.aspmx.l.google.com resolves to 172.253.157.27 and 2a00:1450:400c:c23::1b.