mail.pen-tec.net - robtex.com

mail.pen-tec.net

DNSSEC⚠️ Not signed
A157.7.189.242🇯🇵 GMO-INTERNET157.7.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan
PTRusers280.vip.heteml.jp

pen-tec.net

DNSSEC⚠️ Not signed
A157.7.189.242🇯🇵 GMO-INTERNET157.7.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan
NSdns0.heteml.jp ⭐
NSdns1.heteml.jp
MXmx.hetemail.jp ⭐
TXTv=spf1 include:_spf.heteml.jp ~all
SOAdns0.heteml.jphostmaster@pen-tec.net serial=1778655378

Previously MX for

pen-tec.net

Same first word

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mail.gw
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DNS History

2 records (1 active, 1 former)

20162017201820192020202120222023202420252026A157.7.189.242182.161.77.15
●A157.7.189.2422026-02-26 → 2026-05-13 · 3 obs
○ 2016-08-09 09:33:48
● 2026-02-26 08:28:26
● 2026-05-13 07:09:18
○A182.161.77.152015-08-14 → 2016-08-09 · 4 obs
● 2015-08-14 10:49:42
● 2016-08-09 09:33:48
○ 2026-02-26 08:28:26
○ 2026-05-13 07:09:18

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
neta.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
pen-tec.netdns0.heteml.jp, dns1.heteml.jp-

✅ Authoritative Response

Server:157.7.188.149

NS records: dns0.heteml.jp, dns1.heteml.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for pen-tec.net (unsigned zone)

⏱️ Timing

Total: 2152ms | Queries: -

📄 Records

TypeCountSample Data
A1157.7.189.242

Analysis

IP Addresses

mail.pen-tec.net points to IP number: 157.7.189.242.

Other host names such as net-nagase.co.jp, megalab.tokyo, www.textile-tree.com, udui.net and mx.town-guide.info share IPs with mail.pen-tec.net.