`plusone-group.co.jp`

DNSSEC	⚠️ Not signed
A	157.205.198.187^{🇯🇵 AICS157.205.198.0/23 OTSUKA CORPORATION X-Keiro: noc@aics.ad.jp X-Keiro: JPIRR-alert@ml.aics.ad.jp}
		PTR	`websvr157-205-198-187.alpha-prm.jp`
NS	`fjkdns99.alpha-prm.jp` ⭐
		A	157.205.203.140^{🇯🇵 AICS157.205.0.0/16 PACNET (proxy-registered route object)}
			PTR	`fjkmst11.alpha-prm.jp`
NS	`fjkdns11.alpha-prm.jp`
		A	157.205.203.136^{🇯🇵 AICS157.205.0.0/16 PACNET (proxy-registered route object)}
			PTR	`fjkdns11.alpha-prm.jp`
NS	`fjkdns12.alpha-prm.jp`
		A	157.205.160.33^{🇯🇵 AICS157.205.0.0/16 PACNET (proxy-registered route object)}
			PTR	`fjkdns12.alpha-prm.jp`
NS	`fjkdns13.alpha-prm.jp`
		A	157.205.160.49^{🇯🇵 AICS157.205.0.0/16 PACNET (proxy-registered route object)}
			PTR	`fjkdns13.alpha-prm.jp`
MX	`mxi.alpha-prm.jp` ⭐
		A	157.205.8.22^{🇯🇵 AICS157.205.0.0/16 PACNET (proxy-registered route object)}
			PTR	`mxi.alpha-prm.jp`
TXT	`v=spf1 ip4:157.205.198.187/32 include:spf.alpha-prm.jp ~all`
SOA	`fjkdns99.alpha-prm.jp`hostmaster@alpha-prm.jp 2023-11-21 #1

`co.jp`

	DNSSEC	⚠️ Not signed
	TXT	`co.jp.`

WOT: SAFE (68/100)
WOT: SAFE (58/100)

Same first word

plusone-group.com

plusone-group.co.jp

DNS History

11 records (6 active, 5 former)

○NSfjkdns01.alpha-prm.jp2015-06-13 → 2018-07-21 · 4 obs

● 2015-06-13 15:53:28
● 2018-07-21 09:22:36
○ 2026-03-28 10:53:06
○ 2026-05-13 11:06:48

○NSfjkdns02.alpha-prm.jp2015-06-13 → 2018-07-21 · 4 obs

● 2015-06-13 15:53:28
● 2018-07-21 09:22:36
○ 2026-03-28 10:53:06
○ 2026-05-13 11:06:48

○NSfjkdns03.alpha-prm.jp2015-06-13 → 2018-07-21 · 4 obs

● 2015-06-13 15:53:28
● 2018-07-21 09:22:36
○ 2026-03-28 10:53:06
○ 2026-05-13 11:06:48

●NSfjkdns11.alpha-prm.jp2026-03-28 → 2026-05-13 · 3 obs

○ 2018-07-21 09:22:36
● 2026-03-28 10:53:06
● 2026-05-13 11:06:48

●NSfjkdns12.alpha-prm.jp2026-03-28 → 2026-05-13 · 3 obs

○ 2018-07-21 09:22:36
● 2026-03-28 10:53:06
● 2026-05-13 11:06:48

●NSfjkdns13.alpha-prm.jp2026-03-28 → 2026-05-13 · 3 obs

○ 2018-07-21 09:22:36
● 2026-03-28 10:53:06
● 2026-05-13 11:06:48

●NSfjkdns99.alpha-prm.jp2026-03-28 → 2026-05-13 · 3 obs

○ 2018-07-21 09:22:36
● 2026-03-28 10:53:06
● 2026-05-13 11:06:48

○NSfjkmst01.alpha-prm.jp2015-06-13 → 2018-07-21 · 4 obs

● 2015-06-13 15:53:28
● 2018-07-21 09:22:36
○ 2026-03-28 10:53:06
○ 2026-05-13 11:06:48

●MXmxi.alpha-prm.jp2015-06-13 → 2026-05-13 · 2 obs

● 2015-06-13 15:53:28
● 2026-05-13 11:06:48

○A157.205.10.2392015-06-13 → 2018-07-21 · 4 obs

● 2015-06-13 15:53:28
● 2018-07-21 09:22:36
○ 2026-03-28 10:53:06
○ 2026-05-13 11:06:48

●A157.205.198.1872026-03-28 → 2026-05-13 · 3 obs

○ 2018-07-21 09:22:36
● 2026-03-28 10:53:06
● 2026-05-13 11:06:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...	-
plusone-group.co.jp	fjkdns11.alpha-prm.jp, fjkdns12.alpha-prm.jp, fjkdns13.alpha-prm.jp	3 records

✅ Authoritative Response

Server:157.205.160.49

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for plusone-group.co.jp (unsigned zone)

⏱️ Timing

Total: 991ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`157.205.198.187`
NS	3	`fjkdns12.alpha-prm.jp, fjkdns13.alpha-prm.jp...`
MX	1	`mxi.alpha-prm.jp (pri: 100)`
TXT	1	`v=spf1 ip4:157.205.198.187/32 include:sp`
SOA	1	`fjkdns99.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

IP Addresses

plusone-group.co.jp resolves to one IP number: 157.205.198.187.

Name Servers

plusone-group.co.jp delegates to four name servers: fjkdns11.alpha-prm.jp, fjkdns12.alpha-prm.jp, fjkdns13.alpha-prm.jp and fjkdns99.alpha-prm.jp.

plusone-group.co.jp at least partially shares name servers with other domains, including gascoin.co.jp, toshin-shokai.co.jp, f-wajirohp.jp, nc-hd.jp and libero-corp.com.

Host names with one IP number:

fjkdns11.alpha-prm.jp points to 157.205.203.136; fjkdns12.alpha-prm.jp points to 157.205.160.33; fjkdns13.alpha-prm.jp points to 157.205.160.49; fjkdns99.alpha-prm.jp points to 157.205.203.140.

Mail Servers

A single mail server handles plusone-group.co.jp, mxi.alpha-prm.jp.

plusone-group.co.jp shares the same mail server setup as other domains, for instance hirokenkou.co.jp, shoritsu-b.co.jp, kyotogolf.jp, yomota.co.jp and garou-net.com.

plusone-group.co.jp shares some mail servers with other domains, at least in part, for example kanto-sugar.co.jp.

Host name mxi.alpha-prm.jp resolves to a single IP: 157.205.8.22.

plusone-group.co.jp - robtex.com