bitsystems.jp - dns.ninja

bitsystems.jp

DNSSEC⚠️ Not signed
A157.205.46.102🇯🇵 AICS157.205.46.0/23 OTSUKA CORPORATION X-Keiro: noc@aics.ad.jp X-Keiro: JPIRR-alert@ml.aics.ad.jp
PTRwebsvr157-205-46-102.alpha-prm.jp
NSfjkdns99.alpha-prm.jp ⭐
A157.205.203.140🇯🇵 AICS157.205.0.0/16 PACNET (proxy-registered route object)
PTRfjkmst11.alpha-prm.jp
NSfjkdns11.alpha-prm.jp
A157.205.203.136🇯🇵 AICS157.205.0.0/16 PACNET (proxy-registered route object)
PTRfjkdns11.alpha-prm.jp
NSfjkdns12.alpha-prm.jp
A157.205.160.33🇯🇵 AICS157.205.0.0/16 PACNET (proxy-registered route object)
PTRfjkdns12.alpha-prm.jp
NSfjkdns13.alpha-prm.jp
A157.205.160.49🇯🇵 AICS157.205.0.0/16 PACNET (proxy-registered route object)
PTRfjkdns13.alpha-prm.jp
MXmxi.alpha-prm.jp ⭐
A157.205.8.22🇯🇵 AICS157.205.0.0/16 PACNET (proxy-registered route object)
PTRmxi.alpha-prm.jp
TXTv=spf1 ip4:157.205.46.102/32 include:spf.alpha-prm.jp ~all
SOAfjkdns99.alpha-prm.jphostmaster@alpha-prm.jp 2026-04-01 #1

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=1786678203

Previously NS for

bitsystems.jp

Same first word

bitsystems.io
bitsystems.co.uk
bitsystems.nl
bitsystems.it
bitsystems.com.ua
bitsystems.com
bitsystems.net
bitsystems.biz
bitsystems.ch
bitsystems.info
bitsystems.jp
bitsystems.ru

Similar names

systembits.com
missbettys.com
ibtsystems.it
btisystems.net
systembits.xyz
btisystems.ca
systembits.co.uk
tibsystems.com
ibtsystems.com
systembits.net
ibtsystems.de
systemsbit.com

DNS History

10 records (6 active, 4 former)

20192020202120222023202420252026NSfjkdns11.alpha-prm.jpfjkdns12.alpha-prm.jpfjkdns13.alpha-prm.jpfjkdns99.alpha-prm.jpbitsystems.jpdns01.muumuu-domain.comdns02.muumuu-domain.comMXmxi.alpha-prm.jpmail.bitsystems.jpA157.205.46.102
○NSbitsystems.jp2018-06-16 → 2018-06-16 · 3 obs
● 2018-06-16 04:30:04
○ 2026-03-21 22:57:28
○ 2026-08-14 04:19:44
○NSdns01.muumuu-domain.com2018-06-16 → 2018-06-16 · 3 obs
● 2018-06-16 04:30:04
○ 2026-03-21 22:57:28
○ 2026-08-14 04:19:44
○NSdns02.muumuu-domain.com2018-06-16 → 2018-06-16 · 3 obs
● 2018-06-16 04:30:04
○ 2026-03-21 22:57:28
○ 2026-08-14 04:19:44
●NSfjkdns11.alpha-prm.jp2026-03-21 → 2026-08-14 · 3 obs
○ 2018-06-16 04:30:04
● 2026-03-21 22:57:28
● 2026-08-14 04:19:44
●NSfjkdns12.alpha-prm.jp2026-03-21 → 2026-08-14 · 3 obs
○ 2018-06-16 04:30:04
● 2026-03-21 22:57:28
● 2026-08-14 04:19:44
●NSfjkdns13.alpha-prm.jp2026-03-21 → 2026-08-14 · 3 obs
○ 2018-06-16 04:30:04
● 2026-03-21 22:57:28
● 2026-08-14 04:19:44
●NSfjkdns99.alpha-prm.jp2026-03-21 → 2026-08-14 · 3 obs
○ 2018-06-16 04:30:04
● 2026-03-21 22:57:28
● 2026-08-14 04:19:44
○MXmail.bitsystems.jp2018-06-16 → 2018-06-16 · 3 obs
● 2018-06-16 04:30:04
○ 2026-03-21 22:57:28
○ 2026-08-14 04:19:44
●MXmxi.alpha-prm.jp2026-03-21 → 2026-08-14 · 3 obs
○ 2018-06-16 04:30:04
● 2026-03-21 22:57:28
● 2026-08-14 04:19:44
●A157.205.46.1022026-03-21 → 2026-08-14 · 2 obs
● 2026-03-21 22:57:28
● 2026-08-14 04:19:44

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpe.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp...-
bitsystems.jpfjkdns12.alpha-prm.jp, fjkdns11.alpha-prm.jp, fjkdns13.alpha-prm.jp3 records

✅ Authoritative Response

Server:157.205.203.136

NS records: fjkdns12.alpha-prm.jp, fjkdns11.alpha-prm.jp, fjkdns13.alpha-prm.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bitsystems.jp (unsigned zone)

⏱️ Timing

Total: 927ms | Queries: -

📄 Records

TypeCountSample Data
A1157.205.46.102
NS3fjkdns12.alpha-prm.jp, fjkdns11.alpha-prm.jp...
MX1mxi.alpha-prm.jp (pri: 100)
TXT1v=spf1 ip4:157.205.46.102/32 include:spf
SOA1fjkdns99.alpha-prm.jp hostmaster.alpha-p

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (fjkdns13.alpha-prm.jp, fjkdns12.alpha-prm.jp, fjkdns11.alpha-prm.jp)

Analysis

IP Addresses

bitsystems.jp resolves to just one IP address, 157.205.46.102.

There are other host names — websvr157-205-46-102.alpha-prm.jp among them — that share IP numbers with bitsystems.jp.

Name Servers

The NS records for bitsystems.jp point to four name servers: fjkdns11.alpha-prm.jp, fjkdns12.alpha-prm.jp, fjkdns13.alpha-prm.jp and fjkdns99.alpha-prm.jp.

At least some of bitsystems.jp's name servers are shared with other domains, for example shibatani-pk.co.jp, sanseido-prtg.co.jp, watacon.co.jp and two more.

The hosts fjkdns11.alpha-prm.jp, fjkdns12.alpha-prm.jp, fjkdns13.alpha-prm.jp and fjkdns99.alpha-prm.jp all resolve to exactly one IP address each: 157.205.203.136, 157.205.160.33, 157.205.160.49 and 157.205.203.140 respectively.

Mail Servers

The sole mail server for bitsystems.jp is mxi.alpha-prm.jp.

Among the domains sharing a mail server setup with bitsystems.jp are osakaseiko.co.jp, japansupport.co.jp, pana1.co.jp and two others.

mxi.alpha-prm.jp has exactly one IP number: 157.205.8.22.