duocdonga.com - robtex.com
duocdonga.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=1774429287 | ||||||
Subdomains
mailsv.duocdonga.com |
Same first word
duocdonga.com |
DNS History
13 records (11 active, 2 former)
●NSns1.matbao.com2015-07-24 → 2026-03-25 · 2 obs
● 2026-03-25 09:17:56
●NSns2.matbao.com2015-07-24 → 2026-03-25 · 2 obs
● 2026-03-25 09:17:56
●MXalt1.aspmx.l.google.com2015-07-24 → 2026-03-25 · 2 obs
● 2026-03-25 09:17:56
●MXalt2.aspmx.l.google.com2015-07-24 → 2026-03-25 · 2 obs
● 2026-03-25 09:17:56
●MXaspmx.l.google.com2015-07-24 → 2026-03-25 · 2 obs
● 2026-03-25 09:17:56
●MXaspmx2.googlemail.com2015-07-24 → 2026-03-25 · 2 obs
● 2026-03-25 09:17:56
●MXaspmx3.googlemail.com2015-07-24 → 2026-03-25 · 2 obs
● 2026-03-25 09:17:56
●MXaspmx4.googlemail.com2015-07-24 → 2026-03-25 · 2 obs
● 2026-03-25 09:17:56
●MXaspmx5.googlemail.com2015-07-24 → 2026-03-25 · 2 obs
● 2026-03-25 09:17:56
●MXmailsv.duocdonga.com2015-07-24 → 2026-03-25 · 2 obs
● 2026-03-25 09:17:56
●A103.110.128.712026-03-25 → 2026-03-25 · 3 obs
● 2026-03-25 09:17:52
● 2026-03-25 09:17:56
○A119.81.46.252015-07-24 → 2017-03-20 · 4 obs
● 2017-03-20 12:19:20
○ 2020-02-03 00:06:52
○ 2026-03-25 09:17:56
○A35.187.249.2212020-02-03 → 2020-02-03 · 4 obs
● 2020-02-03 00:06:52
○ 2026-03-25 09:17:52
○ 2026-03-25 09:17:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, e.gtld-servers.net, a.gtld-servers.net, m.gtld-servers.net... | - |
| duocdonga.com | ns1.matbao.com, ns2.matbao.com | 4 records |
✅ Authoritative Response
Server:103.110.128.60
NS records: ns1.matbao.com, ns2.matbao.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for duocdonga.com (unsigned zone)
⏱️ Timing
Total: 785ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.110.128.71 |
| NS | 2 | ns2.matbao.com, ns1.matbao.com |
| MX | 8 | mailsv.duocdonga.com (pri: 40), aspmx.l.google.com (pri: 10)... |
| SOA | 1 | ns1.matbao.com admin.matbao.com |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns1.matbao.com, ns1.matbao.com, ns2.matbao.com...)
Analysis
Hierarchy
duocdonga.com is the parent of mailsv.duocdonga.com.
IP Addresses
duocdonga.com points to a single IP number: 103.110.128.71.
other host names for instance phutungxeoto.com.vn, thammynangnguc.vn, aimo.vn, lieuphaptebaogoc.com and ketnoiytuong.vn share IP numbers with duocdonga.com.
Name Servers
duocdonga.com is delegated to two name servers: ns1.matbao.com and ns2.matbao.com.
duocdonga.com shares the same name server setup as other domains, for example nhansamgiahuy.com, kojako.com, bigjosemotorbike.com, thaiansinh.com and hieunv.com.
duocdonga.com at least partially shares name servers with other domains, for instance muaban24gio.com, chungcu.info, bavicovn.com, inbaobinguyenminh.com and benhviendakhoasongma.gov.vn.
These name servers are commonly used alongside the name servers ns1.matbao.vn, ns2.matbao.vn, ns3.matbao.com, ns4.matbao.com and ns-bak.matbao.com.
Host names with two IP numbers:
ns1.matbao.com points to 13.250.228.99 and 103.110.128.60
ns2.matbao.com points to 35.198.203.127 and 103.138.89.11
Mail Servers
Eight mail servers handle duocdonga.com: mailsv.duocdonga.com, aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com, aspmx5.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.
duocdonga.com shares mail servers with other domains at least partially, including ajschmidt.com, emilyhoyle.com, ns500754.ns500671.ns500754.ns500704.ns500731.ns500704.ns500704.ns500704.ns500704.ns500678.ns500671.ns500666.ns500153.tenderladiesbz.com, ns500699.ns500734.ns500693.ns500734.ns500699.ns500699.ns500699.ns500693.ns500699.ns500588.ns500683.ns500588.ns500588.ns500588.ns500588.ns500588.ns500588.dtrkdll.com and ns500742.ns500731.ns500742.ns500754.ns500704.ns500704.ns500688.ns500705.ns500678.ns500688.ns500678.ns500291.ns500291.ns500291.ns500131.lustychickser.com.
these mail servers are often used with alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.
Host names with two IP numbers:
aspmx2.googlemail.com points to 2a00:1450:4025:402::1b and 142.250.102.27.
aspmx3.googlemail.com points to 2607:f8b0:4023:1015::1b and 172.253.135.27.
aspmx4.googlemail.com points to 2607:f8b0:4023:3003::1a and 172.253.145.27.
aspmx5.googlemail.com points to 2607:f8b0:4003:c4a::1b and 142.251.96.27.
aspmx.l.google.com points to 2607:f8b0:4023:c0d::1a and 142.250.101.26.
alt1.aspmx.l.google.com points to 2607:f8b0:4023:2801::1b and 192.178.128.26.
alt2.aspmx.l.google.com points to 2607:f8b0:4023:1015::1b and 172.253.135.27.
Host names with one IP number:
mailsv.duocdonga.com points to 103.15.48.33.
Host names that point to 2607:f8b0:4023:1015::1b: aspmx3.googlemail.com and alt2.aspmx.l.google.com.
Host names that point to 172.253.135.27: aspmx3.googlemail.com and alt2.aspmx.l.google.com.