fcubic.jp - robtex.com

fcubic.jp

DNSSEC⚠️ Not signed
A216.230.253.81🇺🇸 PSPinc216.230.248.0/21 Pacific Software Publishing, Inc. 1404 140th Place NE Bellevue WA 98007 US
PTRwebltw81.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 2025-07-07 #20

jp

DNSSEC🔒 Signed (DS record present)
NSz.dns.jp ⭐
NSa.dns.jp
NSb.dns.jp
NSc.dns.jp
NSd.dns.jp
NSe.dns.jp
NSf.dns.jp
NSg.dns.jp
NSh.dns.jp
SOAz.dns.jproot@dns.jp serial=1774923302

Same first word

fcubic.jp

Similar names

cbifcu.org
uicfbc.net

DNS History

9 records (8 active, 1 former)

20162017201820192020202120222023202420252026NSamdns03.alpha-mail.jpkotetsu.alpha-lt.nettsukuba.aics.ne.jpMXampub01.alpha-mail.netampub02.alpha-mail.netampub03.alpha-mail.netampub04.alpha-mail.netA216.230.253.81216.230.251.99
●NSamdns03.alpha-mail.jp2026-02-25 → 2026-03-31 · 3 obs
○ 2015-06-25 05:33:08
● 2026-02-25 10:19:50
● 2026-03-31 02:35:54
●NSkotetsu.alpha-lt.net2015-06-25 → 2026-03-31 · 2 obs
● 2015-06-25 05:33:08
● 2026-03-31 02:35:54
●NStsukuba.aics.ne.jp2015-06-25 → 2026-03-31 · 2 obs
● 2015-06-25 05:33:08
● 2026-03-31 02:35:54
●MXampub01.alpha-mail.net2015-06-25 → 2026-03-31 · 2 obs
● 2015-06-25 05:33:08
● 2026-03-31 02:35:54
●MXampub02.alpha-mail.net2015-06-25 → 2026-03-31 · 2 obs
● 2015-06-25 05:33:08
● 2026-03-31 02:35:54
●MXampub03.alpha-mail.net2015-06-25 → 2026-03-31 · 2 obs
● 2015-06-25 05:33:08
● 2026-03-31 02:35:54
●MXampub04.alpha-mail.net2026-02-25 → 2026-03-31 · 3 obs
○ 2015-06-25 05:33:08
● 2026-02-25 10:19:50
● 2026-03-31 02:35:54
○A216.230.251.992015-06-25 → 2018-08-25 · 4 obs
● 2015-06-25 05:33:08
● 2018-08-25 06:15:18
○ 2026-02-25 10:19:50
○ 2026-03-31 02:35:54
●A216.230.253.812026-02-25 → 2026-03-31 · 3 obs
○ 2018-08-25 06:15:18
● 2026-02-25 10:19:50
● 2026-03-31 02:35:54

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
fcubic.jpamdns03.alpha-mail.jp, kotetsu.alpha-lt.net, tsukuba.aics.ne.jp1 record

✅ Authoritative Response

Server:157.205.252.6

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for fcubic.jp (unsigned zone)

⏱️ Timing

Total: 1474ms | Queries: -

📄 Records

TypeCountSample Data
A1216.230.253.81
NS3kotetsu.alpha-lt.net, amdns03.alpha-mail.jp...
MX4ampub01.alpha-mail.net (pri: 10), ampub03.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

IP Addresses

fcubic.jp resolves to a single IP address: 216.230.253.81.

Other host names including fujitec.org, illhome.co.jp, architects-studio-jp.com, 0096.co.jp and hsk-i.co.jp share IP numbers with fcubic.jp.

Name Servers

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

fcubic.jp at least partially shares name servers with other domains, including archi-corpo.co.jp, annevalid.com, kurashinomori-nw.jp, t-d-o.jp and t-mac.jp.

Hostnames 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

fcubic.jp is served by four mail servers: ampub01.alpha-mail.net, ampub02.alpha-mail.net, ampub03.alpha-mail.net and ampub04.alpha-mail.net.

The mail servers for fcubic.jp are shared with other domains, for instance cpa-ide.com, serendip.co.jp, cinemawork.co.jp, srk.or.jp and u-rims.com.

Hostnames with a single IP:

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