duonghuatoan.com - robtex.com
duonghuatoan.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 125.212.218.22🇻🇳 VIETEL-AS-AP125.212.208.0/20 VIETTEL-VN | ||||||
| NS | ns1.dns.net.vn ⭐ | ||||||
| A | 2401:5f80:4001:2::5🇻🇳 VTDC-AS-VN2401:5f80:4000::/36 VTDC-VN | ||||||
| A | 210.211.108.160🇻🇳 VTDC-AS-VN210.211.108.0/22 Proxy-registered route object | ||||||
| PTR | ns1.dns.net.vn | ||||||
| NS | ns2.dns.net.vn | ||||||
| A | 2403:6000:3:3::🇻🇳 QTSP2403:6000::/40 | ||||||
| A | 103.45.229.100🇻🇳 QTSP103.45.229.0/24 CMI (Customer Route) | ||||||
| PTR | ns2.dns.net.vn | ||||||
| MX | mail.duonghuatoan.com ⭐ | ||||||
| A | 125.212.218.22🇻🇳 VIETEL-AS-AP125.212.208.0/20 VIETTEL-VN | ||||||
| TXT | v=spf1 a mx ?all | ||||||
| SOA | ns1.dns.net.vnwebmaster@dns.net.vn serial=1747235701 | ||||||
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=1778336556 | ||||||
Subdomains
mail.duonghuatoan.com |
Same first word
duonghuatoan.com |
DNS History
5 records (4 active, 1 former)
●NSns1.dns.net.vn2016-12-17 → 2026-05-09 · 2 obs
● 2026-05-09 14:52:28
●NSns2.dns.net.vn2016-12-17 → 2026-05-09 · 2 obs
● 2026-05-09 14:52:28
●MXmail.duonghuatoan.com2016-12-17 → 2026-05-09 · 2 obs
● 2026-05-09 14:52:28
○A125.212.218.202016-12-17 → 2017-11-24 · 4 obs
● 2017-11-24 02:19:08
○ 2026-05-01 13:45:58
○ 2026-05-09 14:52:28
●A125.212.218.222026-05-01 → 2026-05-09 · 3 obs
● 2026-05-01 13:45:58
● 2026-05-09 14:52:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| duonghuatoan.com | ns2.dns.net.vn, ns1.dns.net.vn | - |
✅ Authoritative Response
Server:103.45.229.100
NS records: ns2.dns.net.vn, ns1.dns.net.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for duonghuatoan.com (unsigned zone)
⏱️ Timing
Total: 1780ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 125.212.218.22 |
| NS | 2 | ns1.dns.net.vn, ns2.dns.net.vn |
| MX | 1 | mail.duonghuatoan.com (pri: 10) |
| TXT | 1 | v=spf1 a mx ?all |
| SOA | 1 | ns1.dns.net.vn webmaster.dns.net.vn |
Analysis
Hierarchy
duonghuatoan.com is the parent of mail.duonghuatoan.com.
IP Addresses
duonghuatoan.com resolves to one IP number: 125.212.218.22.
other host names including vpn.quayso.citypost.com.vn, hostmaster.citypost.com.vn, planora.marina.io.vn, webdisk.citypost.com.vn and autoconfig.order.citypost.com.vn share IP numbers with duonghuatoan.com.
Name Servers
duonghuatoan.com is delegated to two name servers ns1.dns.net.vn and ns2.dns.net.vn.
duonghuatoan.com shares the same name server setup as other domains, for instance thuemanhinhlcd.com, lockingdomain.vn, duckhanh.com.vn, stax.vn and lonung.com.
duonghuatoan.com at least partially shares name servers with other domains, for instance nhatoi.com.vn, xaydung.vn, horea.org.vn, ytethaiphu.com and vacetco.com.
Host names with two IP numbers:
The host name ns1.dns.net.vn points to 2401:5f80:4001:2::5 and 210.211.108.160; the host name ns2.dns.net.vn points to 2403:6000:3:3:: and 103.45.229.100.
Mail Servers
duonghuatoan.com is handled by a single mail server, mail.duonghuatoan.com.
mail.duonghuatoan.com resolves to IP 125.212.218.22.