mail.gb-security.com - robtex.com

mail.gb-security.com

DNSSEC⚠️ Not signed
A103.15.21.10🇭🇰 ISYSTEMTECH-HK103.15.21.0/24 01Link Network Services Limited
PTRmars.01link.net

gb-security.com

DNSSEC⚠️ Not signed
A16.162.176.196🇭🇰 Amazon16.162.0.0/15 EC2 HKG Prefix
NSns1.01name.com ⭐
NSns2.01name.com
MXmail.gb-security.com ⭐
TXTv=spf1 ip4:103.15.21.10 include:_spf.01link.hk ~all
SOAns1.01name.comreport@01link.net 2026-04-07 #3

MX for

gb-security.com

Same first word

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DNS History

1 record (1 active, 0 former)

A103.15.21.10
●A103.15.21.102026-02-17 → 2026-04-19 · 2 obs
● 2026-02-17 17:53:20
● 2026-04-19 20:01:42

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
gb-security.comns1.01name.com, ns2.01name.com2 records

✅ Authoritative Response

Server:182.173.76.10

NS records: ns1.01name.com, ns2.01name.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for gb-security.com (unsigned zone)

⏱️ Timing

Total: 738ms | Queries: -

📄 Records

TypeCountSample Data
A1103.15.21.10

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.01name.com, ns2.01name.com)

Analysis

Mail Server Role

mail.gb-security.com serves as the mail server for gb-security.com.

IP Addresses

mail.gb-security.com points to a single IP: 103.15.21.10.

Other host names, for instance medipro.com.hk, mail.pclships.com, siriusltd.com, mail.hauken.com.hk and hkja.com.hk share IP numbers with mail.gb-security.com.