mrdnet.co.jp - robtex.com

mrdnet.co.jp

DNSSEC⚠️ Not signed
A157.205.7.49🇯🇵 AICS157.205.6.0/23 OTSUKA CORPORATION X-Keiro: noc@aics.ad.jp X-Keiro: JPIRR-alert@ml.aics.ad.jp
PTRwebsvr157-205-7-49.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 ip4:157.205.7.49/32 include:spf.alpha-prm.jp ~all
TXTMS=ms56611721
SOAfjkdns99.alpha-prm.jphostmaster@alpha-prm.jp 2025-02-27 #1

co.jp

DNSSEC⚠️ Not signed
TXTco.jp.
WOT: SAFE (60/100)
WOT: SAFE (58/100)

Same first word

mrdnet.com
mrdnet.co.jp
mrdnet.net
mrdnet.co.za

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DNS History

11 records (6 active, 5 former)

20162017201820192020202120222023202420252026NSfjkdns11.alpha-prm.jpfjkdns12.alpha-prm.jpfjkdns13.alpha-prm.jpfjkdns99.alpha-prm.jpgntdns01.alpha-plt.jpgntdns02.alpha-plt.jpgntdns03.alpha-plt.jpgntmst21.alpha-plt.jpMXmxi.alpha-prm.jpamxi.aics.ne.jpA157.205.7.49
●NSfjkdns11.alpha-prm.jp2026-07-01 → 2026-07-19 · 3 obs
○ 2016-12-10 15:22:00
● 2026-07-01 12:38:46
● 2026-07-19 14:22:36
●NSfjkdns12.alpha-prm.jp2026-07-01 → 2026-07-19 · 3 obs
○ 2016-12-10 15:22:00
● 2026-07-01 12:38:46
● 2026-07-19 14:22:36
●NSfjkdns13.alpha-prm.jp2026-07-01 → 2026-07-19 · 3 obs
○ 2016-12-10 15:22:00
● 2026-07-01 12:38:46
● 2026-07-19 14:22:36
●NSfjkdns99.alpha-prm.jp2026-07-01 → 2026-07-19 · 3 obs
○ 2016-12-10 15:22:00
● 2026-07-01 12:38:46
● 2026-07-19 14:22:36
○NSgntdns01.alpha-plt.jp2015-07-18 → 2016-12-10 · 4 obs
● 2015-07-18 10:19:40
● 2016-12-10 15:22:00
○ 2026-07-01 12:38:46
○ 2026-07-19 14:22:36
○NSgntdns02.alpha-plt.jp2015-07-18 → 2016-12-10 · 4 obs
● 2015-07-18 10:19:40
● 2016-12-10 15:22:00
○ 2026-07-01 12:38:46
○ 2026-07-19 14:22:36
○NSgntdns03.alpha-plt.jp2015-07-18 → 2016-12-10 · 4 obs
● 2015-07-18 10:19:40
● 2016-12-10 15:22:00
○ 2026-07-01 12:38:46
○ 2026-07-19 14:22:36
○NSgntmst21.alpha-plt.jp2015-07-18 → 2016-12-10 · 4 obs
● 2015-07-18 10:19:40
● 2016-12-10 15:22:00
○ 2026-07-01 12:38:46
○ 2026-07-19 14:22:36
○MXamxi.aics.ne.jp2015-07-18 → 2016-12-10 · 4 obs
● 2015-07-18 10:19:40
● 2016-12-10 15:22:00
○ 2026-07-01 12:38:46
○ 2026-07-19 14:22:36
●MXmxi.alpha-prm.jp2026-07-01 → 2026-07-19 · 3 obs
○ 2016-12-10 15:22:00
● 2026-07-01 12:38:46
● 2026-07-19 14:22:36
●A157.205.7.492026-07-01 → 2026-07-19 · 2 obs
● 2026-07-01 12:38:46
● 2026-07-19 14:22:36

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
mrdnet.co.jpfjkdns11.alpha-prm.jp, fjkdns13.alpha-prm.jp, fjkdns12.alpha-prm.jp3 records

✅ Authoritative Response

Server:157.205.203.136

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 1094ms | Queries: -

📄 Records

TypeCountSample Data
A1157.205.7.49
NS3fjkdns12.alpha-prm.jp, fjkdns11.alpha-prm.jp...
MX1mxi.alpha-prm.jp (pri: 100)
TXT2v=spf1 ip4:157.205.7.49/32 include:spf.a, MS=ms56611721
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

mrdnet.co.jp points to a single IP number: 157.205.7.49.

Name Servers

mrdnet.co.jp has four authoritative name servers: fjkdns11.alpha-prm.jp, fjkdns12.alpha-prm.jp, fjkdns13.alpha-prm.jp and fjkdns99.alpha-prm.jp.

mrdnet.co.jp shares at least some of its name servers with other domains, including hodogayagiken.co.jp, k-fms.jp, kyotokotsu.jp and two others.

fjkdns11.alpha-prm.jp, fjkdns12.alpha-prm.jp, fjkdns13.alpha-prm.jp and fjkdns99.alpha-prm.jp each resolve to one IP address: 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 and fjkdns99.alpha-prm.jp resolves to 157.205.203.140.

Mail Servers

mrdnet.co.jp has one mail server: mxi.alpha-prm.jp.

mrdnet.co.jp shares the same mail server setup as other domains, including t-yzk.com, audi-chiba.jp, okada-gumi.com and two others.

mrdnet.co.jp shares at least some of its mail servers with other domains, such as kobayasi.gr.jp.

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