`systemstaff.co.jp`

DNSSEC	⚠️ Not signed
A	157.205.18.1^{🇯🇵 AICS157.205.18.0/23 OTSUKA CORPORATION X-Keiro: noc@aics.ad.jp X-Keiro: JPIRR-alert@ml.aics.ad.jp}
		PTR	`websvr157-205-18-1.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	`MS=7CDB4B223E080C7A6D1E4F858502A07617A21089`
TXT	`v=spf1 ip4:157.205.18.1/32 include:spf.alpha-prm.jp ~all`
SOA	`fjkdns99.alpha-prm.jp`hostmaster@alpha-prm.jp 2025-02-27 #1

`co.jp`

	DNSSEC	⚠️ Not signed
	TXT	`co.jp.`

WOT: SAFE (58/100)

Subdomains

www.systemstaff.co.jp

Same first word

systemstaff.co.jp

DNS History

11 records (6 active, 5 former)

○NSfjkdns01.alpha-prm.jp2018-06-30 → 2018-06-30 · 3 obs

● 2018-06-30 11:59:18
○ 2026-03-24 01:16:12
○ 2026-04-12 14:47:10

○NSfjkdns02.alpha-prm.jp2018-06-30 → 2018-06-30 · 3 obs

● 2018-06-30 11:59:18
○ 2026-03-24 01:16:12
○ 2026-04-12 14:47:10

○NSfjkdns03.alpha-prm.jp2018-06-30 → 2018-06-30 · 3 obs

● 2018-06-30 11:59:18
○ 2026-03-24 01:16:12
○ 2026-04-12 14:47:10

●NSfjkdns11.alpha-prm.jp2026-03-24 → 2026-04-12 · 3 obs

○ 2018-06-30 11:59:18
● 2026-03-24 01:16:12
● 2026-04-12 14:47:10

●NSfjkdns12.alpha-prm.jp2026-03-24 → 2026-04-12 · 3 obs

○ 2018-06-30 11:59:18
● 2026-03-24 01:16:12
● 2026-04-12 14:47:10

●NSfjkdns13.alpha-prm.jp2026-03-24 → 2026-04-12 · 3 obs

○ 2018-06-30 11:59:18
● 2026-03-24 01:16:12
● 2026-04-12 14:47:10

●NSfjkdns99.alpha-prm.jp2026-03-24 → 2026-04-12 · 3 obs

○ 2018-06-30 11:59:18
● 2026-03-24 01:16:12
● 2026-04-12 14:47:10

○NSfjkmst01.alpha-prm.jp2018-06-30 → 2018-06-30 · 3 obs

● 2018-06-30 11:59:18
○ 2026-03-24 01:16:12
○ 2026-04-12 14:47:10

●MXmxi.alpha-prm.jp2018-06-30 → 2026-04-12 · 2 obs

● 2018-06-30 11:59:18
● 2026-04-12 14:47:10

●A157.205.18.12026-03-24 → 2026-04-12 · 3 obs

○ 2018-06-30 11:59:18
● 2026-03-24 01:16:12
● 2026-04-12 14:47:10

○A157.205.36.422018-06-30 → 2018-06-30 · 3 obs

● 2018-06-30 11:59:18
○ 2026-03-24 01:16:12
○ 2026-04-12 14:47:10

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:157.205.160.49

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 938ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`157.205.18.1`
NS	3	`fjkdns13.alpha-prm.jp, fjkdns11.alpha-prm.jp...`
MX	1	`mxi.alpha-prm.jp (pri: 100)`
TXT	2	`v=spf1 ip4:157.205.18.1/32 include:spf.a, MS=7CDB4B223E080C7A6D1E4F858502A07617A21`
SOA	1	`fjkdns99.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

Hierarchy

systemstaff.co.jp is a parent of www.systemstaff.co.jp.

IP Addresses

systemstaff.co.jp points to a single IP address: 157.205.18.1.

Other host names such as www.systemstaff.co.jp and websvr157-205-18-1.alpha-prm.jp share IP numbers with systemstaff.co.jp.

Name Servers

systemstaff.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.

At least part of the name servers for systemstaff.co.jp are shared with other domains, for instance miwakogyo.co.jp, waseda-eha.com, 18consul.com, ohmaki.com and tokyo-printing.or.jp.

Host names with one IP: 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

The mail server for systemstaff.co.jp is mxi.alpha-prm.jp.

systemstaff.co.jp uses the same mail server setup as other domains, for instance osumaih.jp, jaima.or.jp, crplan.com, ipe.co.jp and tomoike.co.jp.

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

systemstaff.co.jp - robtex.com