hdtech.vn - robtex.com
hdtech.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 45.117.77.92🇻🇳 BIZMAC-VN-AS45.117.77.0/24 BIZMAC-VN | ||||||
| PTR | 45-117-77-92.static.bizmac.com | ||||||
| NS | nsbak.pavietnam.net ⭐ | ||||||
| A | 2406:9c80::9000:302🇻🇳 SUPERDATA2406:9c80::/48 -VN | ||||||
| PTR | nsbak.dotvndns.com | ||||||
| A | 112.213.89.22🇻🇳 SUPERDATA112.213.89.0/24 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 24th floor, VNTA Tower, Duong Dinh Nghe, Cau Giay, Hanoi | ||||||
| PTR | ns8922.dotvndns.vn | ||||||
| NS | ns1.pavietnam.vn | ||||||
| A | 2406:9c80::66🇻🇳 SUPERDATA2406:9c80::/48 -VN | ||||||
| PTR | ns1.dotvndns.vn | ||||||
| A | 112.213.89.3🇻🇳 SUPERDATA112.213.89.0/24 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 24th floor, VNTA Tower, Duong Dinh Nghe, Cau Giay, Hanoi | ||||||
| PTR | ns1.dotvndns.vn | ||||||
| NS | ns2.pavietnam.vn | ||||||
| A | 2406:9c80::9000:111🇻🇳 SUPERDATA2406:9c80::/48 -VN | ||||||
| PTR | ns2.dotvndns.vn | ||||||
| A | 222.255.121.247🇻🇳 VDC222.255.121.0/24 VNPT | ||||||
| PTR | static.vdc.vn | ||||||
| PTR | static.vnpt.vn | ||||||
| MX | mail.hdtech.vn ⭐ | ||||||
| A | 103.104.123.15🇻🇳 VNDATA-AS-VN103.104.120.0/22 VNDATA-VN VNDATA-VN | ||||||
| PTR | smtp.isamail.vn | ||||||
| TXT | v=spf1 mx ip4:103.104.123.0/24 ip4:202.151.175.0/27 ?all | ||||||
| SOA | nsbak.pavietnam.nethostmaster@hdtech.vn 2024-08-21 #6 | ||||||
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 serial=2030753533 | ||||||
Subdomains
mail.hdtech.vn |
Same first word
Similar names
DNS History
6 records (5 active, 1 former)
●NSns1.pavietnam.vn2020-02-22 → 2026-05-09 · 2 obs
● 2026-05-09 21:00:12
●NSns2.pavietnam.vn2020-02-22 → 2026-05-09 · 2 obs
● 2026-05-09 21:00:12
●NSnsbak.pavietnam.net2020-02-22 → 2026-05-09 · 2 obs
● 2026-05-09 21:00:12
●MXmail.hdtech.vn2020-02-22 → 2026-05-09 · 2 obs
● 2026-05-09 21:00:12
○A112.213.89.972020-02-22 → 2020-02-22 · 3 obs
○ 2026-04-25 06:07:16
○ 2026-05-09 21:00:12
●A45.117.77.922026-04-25 → 2026-05-09 · 3 obs
● 2026-04-25 06:07:16
● 2026-05-09 21:00:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | c.dns-servers.vn, a.dns-servers.vn, e.dns-servers.vn, g.dns-servers.vn... | - |
| hdtech.vn | nsbak.pavietnam.net, ns2.pavietnam.vn, ns1.pavietnam.vn | 4 records |
✅ Authoritative Response
Server:112.213.89.22
NS records: nsbak.pavietnam.net, ns2.pavietnam.vn, ns1.pavietnam.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for hdtech.vn (unsigned zone)
⏱️ Timing
Total: 4437ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 45.117.77.92 |
| NS | 3 | ns1.pavietnam.vn, ns2.pavietnam.vn... |
| MX | 1 | mail.hdtech.vn (pri: 10) |
| TXT | 1 | v=spf1 mx ip4:103.104.123.0/24 ip4:202.1 |
| SOA | 1 | nsbak.pavietnam.net hostmaster.hdtech.vn |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns1.pavietnam.vn, ns2.pavietnam.vn, ns1.pavietnam.vn...)
Analysis
Hierarchy
The parent of mail.hdtech.vn is hdtech.vn.
IP Addresses
hdtech.vn points to IP number: 45.117.77.92.
Other host names such as www.duhocnhatphong.edu.vn, swavn.vn, www.langcophuocloctho.vn, vietnamsmartdisplay.com.vn and emavietnam.com.vn share IPs with hdtech.vn.
Name Servers
hdtech.vn is delegated to three name servers: nsbak.pavietnam.net, ns1.pavietnam.vn and ns2.pavietnam.vn.
hdtech.vn at least partially shares name servers with other domains, for instance fpttelecom.org, phanbonquelam.com, vanduc.vn, luxxy.vn and ttpsolutions.com.vn.
These name servers are commonly used together with ns1.dotvndns.vn, ns2.dotvndns.vn and nsbak.dotvndns.com.
Host nsbak.pavietnam.net points to 2406:9c80::9000:302 and 112.213.89.22; Host ns1.pavietnam.vn points to 2406:9c80::66 and 112.213.89.3; Host ns2.pavietnam.vn points to 2406:9c80::9000:111 and 222.255.121.247.
Mail Servers
hdtech.vn is handled by a single mail server, mail.hdtech.vn.
mail.hdtech.vn points to a single IP: 103.104.123.15.