ducthanhtn.com - robtex.com

ducthanhtn.com

DNSSEC⚠️ Not signed
A112.213.89.3🇻🇳 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
PTRns1.dotvndns.vn
NSns1.dotvndns.vn ⭐ ⚠️ Not in parent delegation
A2406:9c80::66🇻🇳 SUPERDATA2406:9c80::/48 -VN
PTRns1.dotvndns.vn
A112.213.89.3🇻🇳 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
PTRns1.dotvndns.vn
NSns1.pavietnam.vn ⚠️ Not in zone NS records
A2406:9c80::66🇻🇳 SUPERDATA2406:9c80::/48 -VN
PTRns1.dotvndns.vn
A112.213.89.3🇻🇳 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
PTRns1.dotvndns.vn
NSns2.dotvndns.vn ⚠️ Not in parent delegation
A2406:9c80::9000:111🇻🇳 SUPERDATA2406:9c80::/48 -VN
PTRns2.dotvndns.vn
A222.255.121.247🇻🇳 VDC222.255.121.0/24 VNPT
PTRstatic.vdc.vn
PTRstatic.vnpt.vn
NSns2.pavietnam.vn ⚠️ Not in zone NS records
A2406:9c80::9000:111🇻🇳 SUPERDATA2406:9c80::/48 -VN
PTRns2.dotvndns.vn
A222.255.121.247🇻🇳 VDC222.255.121.0/24 VNPT
PTRstatic.vdc.vn
PTRstatic.vnpt.vn
NSnsbak.pavietnam.net ⚠️ Not in zone NS records
A2406:9c80::9000:302🇻🇳 SUPERDATA2406:9c80::/48 -VN
PTRnsbak.dotvndns.com
A112.213.89.22🇻🇳 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
PTRns8922.dotvndns.vn
MXmail.ducthanhtn.com ⭐
A112.213.92.54🇻🇳 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
PTRmx9254.maychuemail.net
SOAns1.dotvndns.vnhostmaster@ducthanhtn.com 2017-11-21 #0

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1774629632

Subdomains

mail.ducthanhtn.com

Same first word

ducthanhtn.com

DNS History

7 records (7 active, 0 former)

20162017201820192020202120222023202420252026NSns1.dotvndns.vnns1.pavietnam.vnns2.dotvndns.vnns2.pavietnam.vnnsbak.pavietnam.netMXmail.ducthanhtn.comA112.213.89.3
●NSns1.dotvndns.vn2015-06-15 → 2026-03-27 · 2 obs
● 2015-06-15 02:06:24
● 2026-03-27 16:51:04
●NSns1.pavietnam.vn2026-03-22 → 2026-03-27 · 3 obs
○ 2015-06-15 02:06:24
● 2026-03-22 16:53:44
● 2026-03-27 16:51:04
●NSns2.dotvndns.vn2015-06-15 → 2026-03-27 · 2 obs
● 2015-06-15 02:06:24
● 2026-03-27 16:51:04
●NSns2.pavietnam.vn2026-03-22 → 2026-03-27 · 3 obs
○ 2015-06-15 02:06:24
● 2026-03-22 16:53:44
● 2026-03-27 16:51:04
●NSnsbak.pavietnam.net2026-03-22 → 2026-03-27 · 3 obs
○ 2015-06-15 02:06:24
● 2026-03-22 16:53:44
● 2026-03-27 16:51:04
●MXmail.ducthanhtn.com2015-06-15 → 2026-03-27 · 2 obs
● 2015-06-15 02:06:24
● 2026-03-27 16:51:04
●A112.213.89.32015-06-15 → 2026-03-27 · 2 obs
● 2015-06-15 02:06:24
● 2026-03-27 16:51:04

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comd.gtld-servers.net, m.gtld-servers.net, l.gtld-servers.net, e.gtld-servers.net...-
ducthanhtn.comnsbak.pavietnam.net, ns1.pavietnam.vn, ns2.pavietnam.vn-

✅ Authoritative Response

Server:112.213.89.22

NS records: nsbak.pavietnam.net, ns1.pavietnam.vn, ns2.pavietnam.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ducthanhtn.com (unsigned zone)

⏱️ Timing

Total: 2234ms | Queries: -

📄 Records

TypeCountSample Data
A1112.213.89.3
NS2ns1.dotvndns.vn, ns2.dotvndns.vn
MX1mail.ducthanhtn.com (pri: 10)
SOA1ns1.dotvndns.vn hostmaster.ducthanhtn.co

Analysis

Hierarchy

The parent of mail.ducthanhtn.com is ducthanhtn.com.

IP Addresses

ducthanhtn.com points to a single IP: 112.213.89.3.

Other host names, for instance mail.ahdepot.com, mail.5cosmetic.com, takane-vn.com, thoitietvietnam.net and khonggianxinh.vn share IP numbers with ducthanhtn.com.

Name Servers

ducthanhtn.com is delegated to five name servers: nsbak.pavietnam.net, ns1.dotvndns.vn, ns2.dotvndns.vn, ns1.pavietnam.vn and ns2.pavietnam.vn.

ducthanhtn.com partially shares name servers with other domains; examples include hungphucland.com, ipsc.com.vn, micogroup.com.vn, vnexpress.com.vn and thaloca.com.

These name servers are often used with the name servers nsbak.dotvndns.com and ns3.dotvndns.vn.

Host names with two IP numbers:

nsbak.pavietnam.net points to 2406:9c80::9000:302 and 112.213.89.22.

ns1.dotvndns.vn points to 2406:9c80::66 and 112.213.89.3.

ns2.dotvndns.vn points to 2406:9c80::9000:111 and 222.255.121.247.

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.

Names pointing to 2406:9c80::66: ns1.dotvndns.vn and ns1.pavietnam.vn.

Names pointing to 112.213.89.3: ns1.dotvndns.vn and ns1.pavietnam.vn.

Names pointing to 2406:9c80::9000:111: ns2.dotvndns.vn and ns2.pavietnam.vn.

Names pointing to 222.255.121.247: ns2.dotvndns.vn and ns2.pavietnam.vn.

Mail Servers

ducthanhtn.com is handled by a single mail server, mail.ducthanhtn.com.

mail.ducthanhtn.com points to a single IP: 112.213.92.54.