flex-system.co.jp - robtex.com

flex-system.co.jp

DNSSEC⚠️ Not signed
A157.205.43.25🇯🇵 AICS157.205.42.0/23 OTSUKA CORPORATION X-Keiro: noc@aics.ad.jp X-Keiro: JPIRR-alert@ml.aics.ad.jp
PTRwebsvr157-205-43-25.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 ip4:157.205.43.25/32 include:spf.alpha-prm.jp ~all
SOAfjkdns99.alpha-prm.jphostmaster@alpha-prm.jp 2023-11-21 #1

co.jp

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

Subdomains

www.flex-system.co.jp

Same first word

flex-system.ru
flex-system.com.hk
flex-system.com
flex-system.co.jp

DNS History

11 records (6 active, 5 former)

20162017201820192020202120222023202420252026NSfjkdns11.alpha-prm.jpfjkdns12.alpha-prm.jpfjkdns13.alpha-prm.jpfjkdns99.alpha-prm.jpfjkdns01.alpha-prm.jpfjkdns02.alpha-prm.jpfjkdns03.alpha-prm.jpfjkmst01.alpha-prm.jpMXmxi.alpha-prm.jpA157.205.43.25182.93.121.69
○NSfjkdns01.alpha-prm.jp2015-05-22 → 2017-04-19 · 4 obs
● 2015-05-22 16:39:30
● 2017-04-19 05:20:54
○ 2026-03-01 19:05:36
○ 2026-03-31 07:58:24
○NSfjkdns02.alpha-prm.jp2015-05-22 → 2017-04-19 · 4 obs
● 2015-05-22 16:39:30
● 2017-04-19 05:20:54
○ 2026-03-01 19:05:36
○ 2026-03-31 07:58:24
○NSfjkdns03.alpha-prm.jp2015-05-22 → 2017-04-19 · 4 obs
● 2015-05-22 16:39:30
● 2017-04-19 05:20:54
○ 2026-03-01 19:05:36
○ 2026-03-31 07:58:24
●NSfjkdns11.alpha-prm.jp2026-03-01 → 2026-03-31 · 3 obs
○ 2017-04-19 05:20:54
● 2026-03-01 19:05:36
● 2026-03-31 07:58:24
●NSfjkdns12.alpha-prm.jp2026-03-01 → 2026-03-31 · 3 obs
○ 2017-04-19 05:20:54
● 2026-03-01 19:05:36
● 2026-03-31 07:58:24
●NSfjkdns13.alpha-prm.jp2026-03-01 → 2026-03-31 · 3 obs
○ 2017-04-19 05:20:54
● 2026-03-01 19:05:36
● 2026-03-31 07:58:24
●NSfjkdns99.alpha-prm.jp2026-03-01 → 2026-03-31 · 3 obs
○ 2017-04-19 05:20:54
● 2026-03-01 19:05:36
● 2026-03-31 07:58:24
○NSfjkmst01.alpha-prm.jp2015-05-22 → 2017-04-19 · 4 obs
● 2015-05-22 16:39:30
● 2017-04-19 05:20:54
○ 2026-03-01 19:05:36
○ 2026-03-31 07:58:24
●MXmxi.alpha-prm.jp2015-05-22 → 2026-03-31 · 2 obs
● 2015-05-22 16:39:30
● 2026-03-31 07:58:24
●A157.205.43.252026-03-01 → 2026-03-31 · 3 obs
○ 2017-04-19 05:20:54
● 2026-03-01 19:05:36
● 2026-03-31 07:58:24
○A182.93.121.692015-05-22 → 2017-04-19 · 4 obs
● 2015-05-22 16:39:30
● 2017-04-19 05:20:54
○ 2026-03-01 19:05:36
○ 2026-03-31 07:58:24

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpe.dns.jp, a.dns.jp, b.dns.jp, f.dns.jp...-
flex-system.co.jpfjkdns13.alpha-prm.jp, fjkdns11.alpha-prm.jp, fjkdns12.alpha-prm.jp3 records

✅ Authoritative Response

Server:157.205.160.33

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for flex-system.co.jp (unsigned zone)

⏱️ Timing

Total: 725ms | Queries: -

📄 Records

TypeCountSample Data
A1157.205.43.25
NS3fjkdns13.alpha-prm.jp, fjkdns12.alpha-prm.jp...
MX1mxi.alpha-prm.jp (pri: 100)
TXT1v=spf1 ip4:157.205.43.25/32 include:spf.
SOA1fjkdns99.alpha-prm.jp hostmaster.alpha-p

📌 Glue Records Collected

Total: 3

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

Analysis

Hierarchy

flex-system.co.jp is the parent of www.flex-system.co.jp.

IP Addresses

flex-system.co.jp resolves to a single IP: 157.205.43.25.

Other host names, for instance, www.flex-system.co.jp and websvr157-205-43-25.alpha-prm.jp share IP numbers with flex-system.co.jp.

Name Servers

flex-system.co.jp is delegated to four name servers: fjkdns11.alpha-prm.jp, fjkdns12.alpha-prm.jp, fjkdns13.alpha-prm.jp and fjkdns99.alpha-prm.jp.

flex-system.co.jp shares some name servers with other domains, for example hgec.net, seisuikai-g.net, omsa.or.jp, k-wn.co.jp and bestever.co.jp.

Host names with a single IP

fjkdns11.alpha-prm.jp resolves to 157.205.203.136

fjkdns12.alpha-prm.jp resolves to 157.205.160.33

fjkdns13.alpha-prm.jp resolves to 157.205.160.49

fjkdns99.alpha-prm.jp resolves to 157.205.203.140

Mail Servers

flex-system.co.jp is handled by a single mail server, mxi.alpha-prm.jp.

flex-system.co.jp shares the mail server setup with other domains, for example zenso.or.jp, nonscale.com, taniguchi-kikaku.co.jp, inouekk.com and fhtv.co.jp.

Host name mxi.alpha-prm.jp points to IP 157.205.8.22.