mail.tzcb.com - robtex.com

mail.tzcb.com

DNSSEC⚠️ Not signed
A218.75.7.27🇨🇳 CHINANET-BACKBONE218.75.0.0/17 PNAP-SEA usei

tzcb.com

DNSSEC⚠️ Not signed
NSdns9.hichina.com ⭐
NSdns10.hichina.com
MXmail.tzcb.com ⭐
SOAdns9.hichina.comhostmaster@hichina.com 2026-01-12 #9
WOT: SAFE (61/100)

MX for

tzcb.com

Same first word

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DNS History

1 record (1 active, 0 former)

A218.75.7.27
●A218.75.7.272026-04-09 → 2026-05-14 · 2 obs
● 2026-04-09 02:47:00
● 2026-05-14 03:01:54

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comj.gtld-servers.net, f.gtld-servers.net, i.gtld-servers.net, h.gtld-servers.net...-
tzcb.comdns9.hichina.com, dns10.hichina.com18 records

✅ Authoritative Response

Server:120.76.107.41

NS records: dns9.hichina.com, dns10.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tzcb.com (unsigned zone)

⏱️ Timing

Total: 3504ms | Queries: -

📄 Records

TypeCountSample Data
A1218.75.7.27

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns9.hichina.com, dns9.hichina.com, dns9.hichina.com...)

Analysis

Mail Server Role

mail.tzcb.com serves as the mail server for tzcb.com.

IP Addresses

mail.tzcb.com points to a single IP: 218.75.7.27.

Other host names, for instance mail.tzcb.com.cn, share IP numbers with mail.tzcb.com.