mail.ducmanhgroup.com - robtex.com

mail.ducmanhgroup.com

DNSSEC⚠️ Not signed
A103.68.251.144🇻🇳 POWERNET-VN103.68.248.0/22
PTRsv1144.powernet.vn

ducmanhgroup.com

DNSSEC⚠️ Not signed
A103.68.251.144🇻🇳 POWERNET-VN103.68.248.0/22
NSnsbak.dotvndns.com ⭐
NSns1.dotvndns.vn
NSns2.dotvndns.vn
MXmail.ducmanhgroup.com ⭐
TXTv=spf1 a mx ~all
SOAnsbak.dotvndns.comhostmaster@ducmanhgroup.com 2026-02-25 #33

MX for

ducmanhgroup.com

Same first word

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DNS History

3 records (1 active, 2 former)

20162017201820192020202120222023202420252026A103.68.251.144103.168.52.234112.213.92.21
○A103.168.52.2342026-02-17 → 2026-02-17 · 4 obs
○ 2016-08-13 19:10:56
● 2026-02-17 18:40:14
○ 2026-03-18 11:54:34
○ 2026-05-09 14:37:28
●A103.68.251.1442026-03-18 → 2026-05-09 · 3 obs
○ 2026-02-17 18:40:14
● 2026-03-18 11:54:34
● 2026-05-09 14:37:28
○A112.213.92.212015-08-09 → 2016-08-13 · 4 obs
● 2015-08-09 04:46:42
● 2016-08-13 19:10:56
○ 2026-02-17 18:40:14
○ 2026-05-09 14:37:28

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comd.gtld-servers.net, m.gtld-servers.net, e.gtld-servers.net, c.gtld-servers.net...-
ducmanhgroup.comnsbak.dotvndns.com, ns1.dotvndns.vn, ns2.dotvndns.vn2 records

✅ Authoritative Response

Server:112.213.89.22

NS records: nsbak.dotvndns.com, ns1.dotvndns.vn, ns2.dotvndns.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ducmanhgroup.com (unsigned zone)

⏱️ Timing

Total: 1388ms | Queries: -

📄 Records

TypeCountSample Data
A1103.68.251.144

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (nsbak.dotvndns.com, nsbak.dotvndns.com)

Analysis

Mail Server Role

mail.ducmanhgroup.com is the mail server for ducmanhgroup.com.

IP Addresses

mail.ducmanhgroup.com resolves to one IP number: 103.68.251.144.

other host names including micome.com.vn, thangoptrangacmai.com, ducmanhgroup.com, ytethanhtam.com and www.ducmanhgroup.com share IP numbers with mail.ducmanhgroup.com.