htdengineering.com - robtex.com
htdengineering.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=1774781577 | ||||||
Subdomains
mail.htdengineering.com |
Same first word
htdengineering.com |
DNS History
18 records (4 active, 14 former)
○NSdns1.name-services.com2016-04-05 → 2017-05-26 · 5 obs
● 2016-04-05 16:27:32
● 2017-05-26 17:03:14
○ 2026-02-18 15:18:54
○ 2026-03-29 10:55:54
○NSdns2.name-services.com2016-04-05 → 2017-05-26 · 5 obs
● 2016-04-05 16:27:32
● 2017-05-26 17:03:14
○ 2026-02-18 15:18:54
○ 2026-03-29 10:55:54
○NSdns3.name-services.com2016-04-05 → 2017-05-26 · 5 obs
● 2016-04-05 16:27:32
● 2017-05-26 17:03:14
○ 2026-02-18 15:18:54
○ 2026-03-29 10:55:54
○NSdns4.name-services.com2016-04-05 → 2017-05-26 · 5 obs
● 2016-04-05 16:27:32
● 2017-05-26 17:03:14
○ 2026-02-18 15:18:54
○ 2026-03-29 10:55:54
○NSdns5.name-services.com2016-04-05 → 2017-05-26 · 5 obs
● 2016-04-05 16:27:32
● 2017-05-26 17:03:14
○ 2026-02-18 15:18:54
○ 2026-03-29 10:55:54
○NSns1.catalog.com2015-05-25 → 2015-10-28 · 4 obs
● 2015-10-28 19:34:32
○ 2015-12-31 15:09:40
○ 2026-03-29 10:55:54
○NSns2.catalog.com2015-05-25 → 2015-10-28 · 4 obs
● 2015-10-28 19:34:32
○ 2015-12-31 15:09:40
○ 2026-03-29 10:55:54
○NSns3.catalog.com2015-05-25 → 2015-10-28 · 4 obs
● 2015-10-28 19:34:32
○ 2015-12-31 15:09:40
○ 2026-03-29 10:55:54
●NSns3.vinahost.vn2026-02-18 → 2026-03-29 · 3 obs
● 2026-02-18 15:18:54
● 2026-03-29 10:55:54
●NSns4.vinahost.vn2026-02-18 → 2026-03-29 · 3 obs
● 2026-02-18 15:18:54
● 2026-03-29 10:55:54
●MXhtdengineering-com.mail.protection.outlook.com2026-02-18 → 2026-03-29 · 3 obs
● 2026-02-18 15:18:54
● 2026-03-29 10:55:54
○MXmail.htdengineering.com2017-05-26 → 2017-05-26 · 4 obs
● 2017-05-26 17:03:14
○ 2026-02-18 15:18:54
○ 2026-03-29 10:55:54
○MXmx1.webhero.com2015-05-25 → 2015-10-28 · 4 obs
● 2015-10-28 19:34:32
○ 2015-12-31 15:09:40
○ 2026-03-29 10:55:54
○MXmx2.webhero.com2015-05-25 → 2015-10-28 · 4 obs
● 2015-10-28 19:34:32
○ 2015-12-31 15:09:40
○ 2026-03-29 10:55:54
○A103.27.237.72016-11-19 → 2017-05-26 · 5 obs
● 2016-11-19 18:41:02
● 2017-05-26 17:03:14
○ 2026-02-18 15:18:54
○ 2026-03-29 10:55:54
○A103.27.238.1062016-04-05 → 2016-04-05 · 4 obs
● 2016-04-05 16:27:32
○ 2016-11-19 18:41:02
○ 2026-03-29 10:55:54
○A209.217.33.2252015-05-25 → 2015-10-28 · 4 obs
● 2015-10-28 19:34:32
○ 2015-12-31 15:09:40
○ 2026-03-29 10:55:54
●A210.211.108.1042026-02-18 → 2026-03-29 · 3 obs
● 2026-02-18 15:18:54
● 2026-03-29 10:55:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | e.gtld-servers.net, f.gtld-servers.net, c.gtld-servers.net, h.gtld-servers.net... | - |
| htdengineering.com | ns3.vinahost.vn, ns4.vinahost.vn | - |
✅ Authoritative Response
Server:125.212.217.199
NS records: ns3.vinahost.vn, ns4.vinahost.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for htdengineering.com (unsigned zone)
⏱️ Timing
Total: 1616ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 210.211.108.104 |
| NS | 2 | ns3.vinahost.vn, ns4.vinahost.vn |
| MX | 1 | htdengineering-com.mail.protection.outlo |
| TXT | 2 | MS=ms20480851, v=spf1 mx include:spf.protection.outlook |
| SOA | 1 | ns3.vinahost.vn hostmaster.htdengineerin |
Analysis
Hierarchy
htdengineering.com is the parent of mail.htdengineering.com.
IP Addresses
htdengineering.com resolves to a single IP: 210.211.108.104.
Other host names, for instance tamgiang.vn, xiudun.net.vn, dienlanhanhduong.com, vanphongthongminh.vn and inbangmau.com share IP numbers with htdengineering.com.
Name Servers
htdengineering.com has two name servers: ns3.vinahost.vn and ns4.vinahost.vn.
htdengineering.com shares the same name server setup as other domains, for example vrvietnam.vn, lamatiles.com.vn, thanhyen.com, sumirestore.com and jadovie.com.
htdengineering.com shares some name servers with other domains, for example canmake.com.vn, ibp.vn, vietphat.com.vn, techplus.com.vn and imp.vn.
These name servers are commonly used with dns3.vina-host.com, dns4.vina-host.com, ns1.vinahost.vn, ns2.vinahost.vn and nsmaster.vinahost.vn.
Host names with a single IP:
ns3.vinahost.vn points to 125.212.217.199
ns4.vinahost.vn points to 123.30.139.119
Mail Servers
htdengineering.com is handled by a single mail server, htdengineering-com.mail.protection.outlook.com.
htdengineering-com.mail.protection.outlook.com points 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.