bitec.co.jp - robtex.com

bitec.co.jp

DNSSEC⚠️ Not signed
A216.230.253.77🇺🇸 PSPinc216.230.248.0/21 Pacific Software Publishing, Inc. 1404 140th Place NE Bellevue WA 98007 US
PTRwebltw77.alpha-mail.jp
NSkotetsu.alpha-lt.net ⭐
A157.205.252.6🇯🇵 AICS157.205.0.0/16 PACNET (proxy-registered route object)
PTRamdns01.alpha-mail.jp
NSamdns03.alpha-mail.jp
A216.230.254.112🇺🇸 PSPinc216.230.248.0/21 Pacific Software Publishing, Inc. 1404 140th Place NE Bellevue WA 98007 US
PTRamdns03.alpha-mail.jp
NStsukuba.aics.ne.jp
A157.205.252.7🇯🇵 AICS157.205.0.0/16 PACNET (proxy-registered route object)
PTRamdns02.alpha-mail.jp
MXampub01.alpha-mail.net ⭐
A216.230.254.1🇺🇸 PSPinc216.230.248.0/21 Pacific Software Publishing, Inc. 1404 140th Place NE Bellevue WA 98007 US
PTRampub01.alpha-mail.net
MXampub02.alpha-mail.net ⭐
A216.230.254.2🇺🇸 PSPinc216.230.248.0/21 Pacific Software Publishing, Inc. 1404 140th Place NE Bellevue WA 98007 US
PTRampub02.alpha-mail.net
MXampub03.alpha-mail.net ⭐
A216.230.254.3🇺🇸 PSPinc216.230.248.0/21 Pacific Software Publishing, Inc. 1404 140th Place NE Bellevue WA 98007 US
PTRampub03.alpha-mail.net
MXampub04.alpha-mail.net(50)
A216.230.254.4🇺🇸 PSPinc216.230.248.0/21 Pacific Software Publishing, Inc. 1404 140th Place NE Bellevue WA 98007 US
PTRampub04.alpha-mail.net
TXTv=spf1 ip4:157.205.202.0/24 ip4:157.205.203.128/25 ip4:216.230.250.0/24 ip4:2...
SOAkotetsu.alpha-lt.netpostmaster@alpha-web.ne.jp 2023-07-21 #0

co.jp

DNSSEC⚠️ Not signed
TXTco.jp.
WOT: SAFE (58/100)

Subdomains

cgi3.bitec.co.jp

Same first word

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DNS History

9 records (8 active, 1 former)

201820192020202120222023202420252026NSamdns03.alpha-mail.jpkotetsu.alpha-lt.nettsukuba.aics.ne.jpMXampub01.alpha-mail.netampub02.alpha-mail.netampub03.alpha-mail.netampub04.alpha-mail.netA216.230.253.77216.230.250.168
●NSamdns03.alpha-mail.jp2026-03-26 → 2026-03-29 · 3 obs
○ 2017-05-19 01:27:14
● 2026-03-26 19:12:32
● 2026-03-29 20:04:42
●NSkotetsu.alpha-lt.net2017-05-19 → 2026-03-29 · 2 obs
● 2017-05-19 01:27:14
● 2026-03-29 20:04:42
●NStsukuba.aics.ne.jp2017-05-19 → 2026-03-29 · 2 obs
● 2017-05-19 01:27:14
● 2026-03-29 20:04:42
●MXampub01.alpha-mail.net2017-05-19 → 2026-03-29 · 2 obs
● 2017-05-19 01:27:14
● 2026-03-29 20:04:42
●MXampub02.alpha-mail.net2017-05-19 → 2026-03-29 · 2 obs
● 2017-05-19 01:27:14
● 2026-03-29 20:04:42
●MXampub03.alpha-mail.net2017-05-19 → 2026-03-29 · 2 obs
● 2017-05-19 01:27:14
● 2026-03-29 20:04:42
●MXampub04.alpha-mail.net2026-03-26 → 2026-03-29 · 3 obs
○ 2017-05-19 01:27:14
● 2026-03-26 19:12:32
● 2026-03-29 20:04:42
○A216.230.250.1682017-05-19 → 2017-05-19 · 3 obs
● 2017-05-19 01:27:14
○ 2026-03-26 19:12:32
○ 2026-03-29 20:04:42
●A216.230.253.772026-03-26 → 2026-03-29 · 3 obs
○ 2017-05-19 01:27:14
● 2026-03-26 19:12:32
● 2026-03-29 20:04:42

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
bitec.co.jpkotetsu.alpha-lt.net, tsukuba.aics.ne.jp, amdns03.alpha-mail.jp1 record

✅ Authoritative Response

Server:157.205.252.6

NS records: kotetsu.alpha-lt.net, tsukuba.aics.ne.jp, amdns03.alpha-mail.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bitec.co.jp (unsigned zone)

⏱️ Timing

Total: 1448ms | Queries: -

📄 Records

TypeCountSample Data
A1216.230.253.77
NS3amdns03.alpha-mail.jp, kotetsu.alpha-lt.net...
MX4ampub04.alpha-mail.net (pri: 50), ampub01.alpha-mail.net (pri: 10)...
TXT1v=spf1 ip4:157.205.202.0/24 ip4:157.205.
SOA1kotetsu.alpha-lt.net postmaster.alpha-we

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (amdns03.alpha-mail.jp)

Analysis

Hierarchy

cgi3.bitec.co.jp is a child of bitec.co.jp.

IP Addresses

bitec.co.jp resolves to one IP number: 216.230.253.77.

Other host names, for instance haginaka-heart.com, banzai-ind.co.jp, www.ema-h.co.jp, akanbou.co.jp and ema-h.co.jp share IP numbers with bitec.co.jp.

Name Servers

bitec.co.jp is delegated to three name servers: amdns03.alpha-mail.jp, kotetsu.alpha-lt.net and tsukuba.aics.ne.jp.

bitec.co.jp at least partially shares name servers with other domains, including npsw.co.jp, ovk.jp, akiishi.com, fujisawashokuhin.com and educarecorp.co.jp.

Host names with a single IP:

amdns03.alpha-mail.jp points to 216.230.254.112; kotetsu.alpha-lt.net points to 157.205.252.6; tsukuba.aics.ne.jp points to 157.205.252.7.

Mail Servers

bitec.co.jp is handled by four mail servers: ampub01.alpha-mail.net, ampub02.alpha-mail.net, ampub03.alpha-mail.net and ampub04.alpha-mail.net.

bitec.co.jp shares at least some mail servers with other domains, for example bunshi.net, icom-aa.com, arc-ne.jp, koip.co.jp and karaokeya.info.

Host names with one IP number:

ampub01.alpha-mail.net points to 216.230.254.1; ampub02.alpha-mail.net points to 216.230.254.2; ampub03.alpha-mail.net points to 216.230.254.3; ampub04.alpha-mail.net points to 216.230.254.4.