mail.o3.net - robtex.com

mail.o3.net

DNSSEC⚠️ Not signed
A203.69.106.173🇹🇼 HiNet203.69.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd.
PTRmail.o3.net
TXTv=spf1 a ~all

o3.net

DNSSEC⚠️ Not signed
A203.69.106.173🇹🇼 HiNet203.69.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd.
NSdelight.o3.net ⭐
NSimpress.o3.net
MXsurprise.o3.net ⭐
TXTv=spf1 mx a:mail.o3.net a:surprise.o3.net a:mailx.o3.net ~all
TXTgoogle-site-verification=9MtgH3kpXPIYWH_ELbZCXqDyrzNTe0ou6MpYkOzVJpc
SOAdelight.o3.netdanchao@o3.net 2026-03-14 #2
⚠️ On DNS blocklist: tif

PTR for

173.106.69.203.in-addr.arpa

Same first word

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DNS History

1 record (1 active, 0 former)

201020122014201620182020202220242026A203.69.106.173
●A203.69.106.1732009-01-26 → 2026-04-13 · 2 obs
● 2009-01-26 18:09:02
● 2026-04-13 20:13:48

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
netm.gtld-servers.net, j.gtld-servers.net, a.gtld-servers.net, h.gtld-servers.net...-
o3.netdelight.o3.net, impress.o3.net2 records

✅ Authoritative Response

Server:128.199.119.242

NS records: delight.o3.net, impress.o3.net

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 551ms | Queries: -

📄 Records

TypeCountSample Data
A1203.69.106.173
TXT1v=spf1 a ~all

📌 Glue Records Collected

Total: 2

In-bailiwick: 2 (delight.o3.net, impress.o3.net)

Analysis

IP Addresses

mail.o3.net points to a single IP number: 203.69.106.173.

Other host names, for instance o3.net and blackhole.o3.net, share IP numbers with mail.o3.net.