mail.coolbook.com - robtex.com

mail.coolbook.com

DNSSEC⚠️ Not signed
A103.207.166.56🇭🇰 UFO-AS-AP103.207.166.0/24 JIN CHENGBAO TECHNOLOGY CO.,LIMITED B/5,Gaylord Commercial Building,114-120 Lockhart Road,HK

coolbook.com

DNSSEC⚠️ Not signed
A103.207.166.56🇭🇰 UFO-AS-AP103.207.166.0/24 JIN CHENGBAO TECHNOLOGY CO.,LIMITED B/5,Gaylord Commercial Building,114-120 Lockhart Road,HK
NSbuy.midian.cn ⚠️ Not in zone NS records
NSsell.midian.cn ⚠️ Not in zone NS records

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DNS History

1 record (1 active, 0 former)

A103.207.166.56
●A103.207.166.562026-03-20 → 2026-05-14 · 2 obs
● 2026-03-20 19:20:32
● 2026-05-14 00:06:36

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
coolbook.comsell.midian.cn, buy.midian.cn-

✅ Authoritative Response

Server:103.207.166.56

NS records: sell.midian.cn, buy.midian.cn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coolbook.com (unsigned zone)

⏱️ Timing

Total: 1115ms | Queries: -

📄 Records

TypeCountSample Data
A1103.207.166.56

Analysis

IP Addresses

mail.coolbook.com points to a single IP number: 103.207.166.56.

other host names for instance 182.me, zqwallet.com, lianxiangjia.com, bjsem.com and luckytaxi.com share IP numbers with mail.coolbook.com.