mail.htbpro.com - robtex.com

mail.htbpro.com

DNSSEC⚠️ Not signed
A210.245.86.57🇻🇳 FPT-AS-AP210.245.86.0/24 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 10th floor, MITEC Tower, Duong Dinh Nghe, Cau Giay, Hanoi
PTRwebhost49.fptdata.vn

htbpro.com

DNSSEC⚠️ Not signed
A2404:dac0::9999:9999🇻🇳 TND-AS-VN2404:dac0::/48 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
A103.139.42.90🇻🇳 TND-AS-VN103.139.42.0/23 TND-VN
NSns190.tnd.vn ⭐ ⚠️ Not in parent delegation
NSns290.tnd.vn ⚠️ Not in parent delegation
NSnsc1.tnd.vn ⚠️ Not in zone NS records
NSnsc2.tnd.vn ⚠️ Not in zone NS records
MXmail.htbpro.com ⭐
TXTv=spf1 mx a ip4:210.245.86.30 ip4:210.245.107.253 ~all
SOAns190.tnd.vnalert@tnd.vn 2026-04-08 #1

MX for

htbpro.com

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DNS History

1 record (1 active, 0 former)

20162017201820192020202120222023202420252026A210.245.86.57
●A210.245.86.572015-07-20 → 2026-05-10 · 2 obs
● 2015-07-20 12:03:22
● 2026-05-10 17:51:34

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
htbpro.comnsc1.tnd.vn, nsc2.tnd.vn-

✅ Authoritative Response

Server:103.139.42.91

NS records: nsc1.tnd.vn, nsc2.tnd.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for htbpro.com (unsigned zone)

⏱️ Timing

Total: 893ms | Queries: -

📄 Records

TypeCountSample Data
A1210.245.86.57

Analysis

Mail Server Role

mail.htbpro.com functions as a mail server for htbpro.com.

IP Addresses

mail.htbpro.com points to IP number: 210.245.86.57.

Other host names such as thaigiang.net.vn, mail.physiomed.com.vn, ype.com.vn, mail.hpec.com.vn and mail.dulichtanphuongdong.com share IPs with mail.htbpro.com.