dothanhtech.com - robtex.com
dothanhtech.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.131.74.26🇻🇳 SUPERDATA103.131.74.0/24 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 | ||||||
| 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.dothanhtech.com ⭐ | ||||||
| A | 112.213.92.254🇻🇳 SUPERDATA112.213.92.0/24 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 | mail92254.maychuemail.com | ||||||
| TXT | v=spf1 +a +mx +ip4:112.213.92.254 ?all | ||||||
| SOA | nsbak.pavietnam.nethostmaster@dothanhtech.com 2025-08-22 #9 | ||||||
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=1778347571 | ||||||
Subdomains
mail.dothanhtech.com |
Same first word
dothanhtech.com |
DNS History
7 records (5 active, 2 former)
●NSns1.pavietnam.vn2015-08-11 → 2026-05-09 · 2 obs
● 2026-05-09 17:50:00
●NSns2.pavietnam.vn2015-08-11 → 2026-05-09 · 2 obs
● 2026-05-09 17:50:00
●NSnsbak.pavietnam.net2020-02-22 → 2026-05-09 · 3 obs
● 2020-02-22 09:10:00
● 2026-05-09 17:50:00
●MXmail.dothanhtech.com2015-08-11 → 2026-05-09 · 2 obs
● 2026-05-09 17:50:00
●A103.131.74.262026-03-13 → 2026-05-09 · 3 obs
● 2026-03-13 02:09:20
● 2026-05-09 17:50:00
○A112.213.89.442015-08-11 → 2017-02-19 · 4 obs
● 2017-02-19 23:40:58
○ 2020-02-22 09:10:00
○ 2026-05-09 17:50:00
○A112.213.89.562020-02-22 → 2020-02-22 · 4 obs
● 2020-02-22 09:10:00
○ 2026-03-13 02:09:20
○ 2026-05-09 17:50:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| dothanhtech.com | nsbak.pavietnam.net, ns1.pavietnam.vn, ns2.pavietnam.vn | - |
✅ Authoritative Response
Server:222.255.121.247
NS records: nsbak.pavietnam.net, ns1.pavietnam.vn, ns2.pavietnam.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for dothanhtech.com (unsigned zone)
⏱️ Timing
Total: 1930ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.131.74.26 |
| NS | 3 | nsbak.pavietnam.net, ns1.pavietnam.vn... |
| MX | 1 | mail.dothanhtech.com (pri: 10) |
| TXT | 1 | v=spf1 +a +mx +ip4:112.213.92.254 ?all |
| SOA | 1 | nsbak.pavietnam.net hostmaster.dothanhte |
Analysis
Hierarchy
dothanhtech.com is the parent of mail.dothanhtech.com.
IP Addresses
dothanhtech.com resolves to a single IP: 103.131.74.26.
Other host names, for instance farmstay.com.vn, kiemthe.hongsamhanquoc.net, www.hcmier.edu.vn, gator719.hongsamhanquoc.net and opalriverside.vn share IP numbers with dothanhtech.com.
Name Servers
dothanhtech.com delegates to three name servers: nsbak.pavietnam.net, ns1.pavietnam.vn and ns2.pavietnam.vn.
dothanhtech.com shares some name servers with other domains, for example huongvietpropertiesbybachnhu.com, dptcosmetic.com.vn, thethaothuduc.com, miteco.com.vn and mavachmaso.net.
These name servers are commonly used with ns1.dotvndns.vn, ns2.dotvndns.vn, nsbak.dotvndns.com, nsbak.pavietnam.vn and dnsbak.pavietnam.vn.
Host names with two IP numbers:
nsbak.pavietnam.net: 2406:9c80::9000:302 and 112.213.89.22
ns1.pavietnam.vn: 2406:9c80::66 and 112.213.89.3
ns2.pavietnam.vn: 2406:9c80::9000:111 and 222.255.121.247
Mail Servers
dothanhtech.com is handled by a single mail server, mail.dothanhtech.com.
Host name mail.dothanhtech.com points to IP 112.213.92.254.