pre-tech.jp - dns.ninja

pre-tech.jp

DNSSEC⚠️ Not signed
A157.205.26.13🇯🇵 AICS157.205.26.0/23 OTSUKA CORPORATION X-Keiro: noc@aics.ad.jp X-Keiro: JPIRR-alert@ml.aics.ad.jp
PTRwebsvr157-205-26-13.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 ip4:157.205.26.13/32 include:spf.alpha-prm.jp ~all
SOAfjkdns99.alpha-prm.jphostmaster@alpha-prm.jp 2026-04-20 #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=1786198502

Same first word

pre-tech.net
pre-tech.jp
pre-tech.nl

Similar names

erp-tech.com
three-pc.com
rep-tech.net
cp-three.com
rep-tech.co.uk
tech-rep.de
cp-three.de

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.jpA157.205.26.13182.93.113.119
○NSfjkdns01.alpha-prm.jp2015-06-24 → 2017-10-14 · 4 obs
● 2015-06-24 04:35:02
● 2017-10-14 23:24:54
○ 2026-03-27 00:03:34
○ 2026-08-08 15:05:50
○NSfjkdns02.alpha-prm.jp2015-06-24 → 2017-10-14 · 4 obs
● 2015-06-24 04:35:02
● 2017-10-14 23:24:54
○ 2026-03-27 00:03:34
○ 2026-08-08 15:05:50
○NSfjkdns03.alpha-prm.jp2015-06-24 → 2017-10-14 · 4 obs
● 2015-06-24 04:35:02
● 2017-10-14 23:24:54
○ 2026-03-27 00:03:34
○ 2026-08-08 15:05:50
●NSfjkdns11.alpha-prm.jp2026-03-27 → 2026-08-08 · 3 obs
○ 2017-10-14 23:24:54
● 2026-03-27 00:03:34
● 2026-08-08 15:05:50
●NSfjkdns12.alpha-prm.jp2026-03-27 → 2026-08-08 · 3 obs
○ 2017-10-14 23:24:54
● 2026-03-27 00:03:34
● 2026-08-08 15:05:50
●NSfjkdns13.alpha-prm.jp2026-03-27 → 2026-08-08 · 3 obs
○ 2017-10-14 23:24:54
● 2026-03-27 00:03:34
● 2026-08-08 15:05:50
●NSfjkdns99.alpha-prm.jp2026-03-27 → 2026-08-08 · 3 obs
○ 2017-10-14 23:24:54
● 2026-03-27 00:03:34
● 2026-08-08 15:05:50
○NSfjkmst01.alpha-prm.jp2015-06-24 → 2017-10-14 · 4 obs
● 2015-06-24 04:35:02
● 2017-10-14 23:24:54
○ 2026-03-27 00:03:34
○ 2026-08-08 15:05:50
●MXmxi.alpha-prm.jp2015-06-24 → 2026-08-08 · 2 obs
● 2015-06-24 04:35:02
● 2026-08-08 15:05:50
●A157.205.26.132026-03-27 → 2026-08-08 · 3 obs
○ 2017-10-14 23:24:54
● 2026-03-27 00:03:34
● 2026-08-08 15:05:50
○A182.93.113.1192015-06-24 → 2017-10-14 · 4 obs
● 2015-06-24 04:35:02
● 2017-10-14 23:24:54
○ 2026-03-27 00:03:34
○ 2026-08-08 15:05:50

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
pre-tech.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 pre-tech.jp (unsigned zone)

⏱️ Timing

Total: 792ms | Queries: -

📄 Records

TypeCountSample Data
A1157.205.26.13
NS3fjkdns13.alpha-prm.jp, fjkdns12.alpha-prm.jp...
MX1mxi.alpha-prm.jp (pri: 100)
TXT1v=spf1 ip4:157.205.26.13/32 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

pre-tech.jp has exactly one IP address — 157.205.26.13.

Host names like websvr157-205-26-13.alpha-prm.jp are further examples that share IP numbers with pre-tech.jp.

Name Servers

Four name servers handle the delegation for pre-tech.jp: fjkdns11.alpha-prm.jp, fjkdns12.alpha-prm.jp, fjkdns13.alpha-prm.jp and fjkdns99.alpha-prm.jp.

pre-tech.jp has at least partial name server overlap with other domains, such as parylene.co.jp, yokosyoku.co.jp, seisuikai.net and two others.

Four host names, each with one IP address: fjkdns11.alpha-prm.jp has 157.205.203.136, fjkdns12.alpha-prm.jp has 157.205.160.33, fjkdns13.alpha-prm.jp has 157.205.160.49 and fjkdns99.alpha-prm.jp has 157.205.203.140.

Mail Servers

pre-tech.jp uses one mail server — mxi.alpha-prm.jp.

The mail server setup of pre-tech.jp matches that of other domains such as sowa-ele.co.jp, logicore.jp, ej-holdings.com and two others.

mxi.alpha-prm.jp carries a single IP number, which is 157.205.8.22.