viettechsmart.com - robtex.com
viettechsmart.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.77.162.44🇻🇳 SUPERDATA103.77.162.0/24 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 | easton.maychu.cloud | ||||||
| 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 | mail9398.maychuemail.com ⭐ | ||||||
| A | 112.213.93.98🇻🇳 SUPERDATA112.213.93.0/24 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 | mail9398.maychuemail.com | ||||||
| MX | mx9398.maychuemail.net(10) | ||||||
| A | 112.213.93.98🇻🇳 SUPERDATA112.213.93.0/24 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 | mail9398.maychuemail.com | ||||||
| TXT | v=spf1 +a +mx +ip4:112.213.90.10 +ip4:112.213.93.98 ~all | ||||||
| SOA | nsbak.pavietnam.nethostmaster@viettechsmart.com 2026-01-10 #15 | ||||||
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=1777049586 | ||||||
Same first word
viettechsmart.com |
DNS History
8 records (6 active, 2 former)
○NSns1.dotvndns.vn2019-12-14 → 2019-12-14 · 3 obs
○ 2026-03-15 14:14:24
○ 2026-04-24 17:16:48
●NSns1.pavietnam.vn2019-12-14 → 2026-04-24 · 2 obs
● 2026-04-24 17:16:48
●NSns2.pavietnam.vn2019-12-14 → 2026-04-24 · 2 obs
● 2026-04-24 17:16:48
●NSnsbak.pavietnam.net2019-12-14 → 2026-04-24 · 2 obs
● 2026-04-24 17:16:48
●MXmail9398.maychuemail.com2019-12-14 → 2026-04-24 · 2 obs
● 2026-04-24 17:16:48
●MXmx9398.maychuemail.net2019-12-14 → 2026-04-24 · 2 obs
● 2026-04-24 17:16:48
●A103.77.162.442026-03-15 → 2026-04-24 · 3 obs
● 2026-03-15 14:14:24
● 2026-04-24 17:16:48
○A115.79.206.2332019-12-14 → 2019-12-14 · 3 obs
○ 2026-03-15 14:14:24
○ 2026-04-24 17:16:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| viettechsmart.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 viettechsmart.com (unsigned zone)
⏱️ Timing
Total: 1617ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.77.162.44 |
| NS | 3 | ns2.pavietnam.vn, ns1.pavietnam.vn... |
| MX | 2 | mx9398.maychuemail.net (pri: 10), mail9398.maychuemail.com (pri: 5) |
| TXT | 1 | v=spf1 +a +mx +ip4:112.213.90.10 +ip4:11 |
| SOA | 1 | nsbak.pavietnam.net hostmaster.viettechs |
Analysis
IP Addresses
viettechsmart.com points to a single IP number: 103.77.162.44.
Other host names, for instance binbon.vn, ns.siamrecycling.com, mail.tranhtheuhuuhanh.com, toanphattravel.com and myspa.com.vn share IP numbers with viettechsmart.com.
Name Servers
The domain viettechsmart.com is delegated to three name servers: nsbak.pavietnam.net, ns1.pavietnam.vn and ns2.pavietnam.vn.
viettechsmart.com shares name servers with other domains at least partially, for instance xuandaigroup.com, logicalmoves.net, tinnong.vn, vssi.com.vn and minhtran.vn.
These name servers are often used with ns1.dotvndns.vn, ns2.dotvndns.vn, nsbak.dotvndns.com, dnsbak.pavietnam.vn and nsbak.pavietnam.vn.
Host names with two IP numbers:
nsbak.pavietnam.net points to 2406:9c80::9000:302 and 112.213.89.22
ns1.pavietnam.vn points to 2406:9c80::66 and 112.213.89.3
ns2.pavietnam.vn points to 2406:9c80::9000:111 and 222.255.121.247
Mail Servers
viettechsmart.com is handled by two mail servers: mail9398.maychuemail.com and mx9398.maychuemail.net.
viettechsmart.com shares the same mail server setup as other domains, including agrogreen.com.vn, lamcuongeec.com, cpvntech.com, viettangroup.com.vn and aspswitchboards.com.
viettechsmart.com shares some mail servers with other domains, for example thienhy.com.vn, lagoonabinhchau.com, deair.com.vn and ssoftware.vn.
These mail servers are commonly used together with mx2.zoho.com, mx.zoho.com and mail.lagoonabinhchau.com.
Host names with a single IP number:
mail9398.maychuemail.com points to 112.213.93.98.
mx9398.maychuemail.net points to 112.213.93.98.
Host names pointing to 112.213.93.98: mail9398.maychuemail.com and mx9398.maychuemail.net.