mail.opt3t.com - robtex.com

mail.opt3t.com

CNAMEair.secure.ne.jp
DNSSEC⚠️ Not signed
A106.139.211.17🇯🇵 KDDI106.128.0.0/11
PTRair.secure.ne.jp
A106.139.212.17🇯🇵 KDDI106.128.0.0/11
TXTv=spf1 include:spf-kw.im.kddi.ne.jp -all

opt3t.com

DNSSEC⚠️ Not signed
A27.34.163.53🇯🇵 CPI-NET27.34.160.0/21 KDDI Web Communications Inc.
NSns6.cpi.ad.jp ⭐
NSns7.cpi.ad.jp
MXvlmx-air.secure.ne.jp ⭐
TXTv=spf1 include:spf2.secure.ne.jp -all
SOAns6.cpi.ad.jphostmaster@cpi.ad.jp 2024-04-09 #1
WOT: SAFE (60/100)
WOT: SAFE (62/100)

Previously MX for

opt3t.com

Same first word

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DNS History

2 records (1 active, 1 former)

20162017201820192020202120222023202420252026A219.94.203.176CNAMEair.secure.ne.jp
○A219.94.203.1762015-07-22 → 2016-06-27 · 4 obs
● 2015-07-22 08:52:28
● 2016-06-27 17:14:36
○ 2026-03-08 15:40:52
○ 2026-05-13 14:55:16
●CNAMEair.secure.ne.jp2026-03-08 → 2026-05-13 · 2 obs
● 2026-03-08 15:40:52
● 2026-05-13 14:55:16

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
opt3t.comns6.cpi.ad.jp, ns7.cpi.ad.jp-

✅ Authoritative Response

Server:122.200.212.133

NS records: ns6.cpi.ad.jp, ns7.cpi.ad.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for opt3t.com (unsigned zone)

⏱️ Timing

Total: 1839ms | Queries: -

📄 Records

TypeCountSample Data
CNAME1air.secure.ne.jp

Analysis

IP Addresses

Two IP numbers are pointed to by mail.opt3t.com: 106.139.211.17 and 106.139.212.17.

Other host names, such as air.secure.ne.jp, mail.cnd.or.jp and mail4.e-(0x73686974)en.jp, share IP numbers with mail.opt3t.com.