`workstation.co.jp`

DNSSEC	⚠️ Not signed
A	210.231.181.216^{🇯🇵 InfoSphere210.231.128.0/18 INFOSPHERE}
		PTR	`workstation.co.jp`
NS	`01.dnsv.jp` ⭐
		A	2400:8500:3300::53^{🇯🇵 GMO-DNS2400:8500:3300::/48 GMO Internet,inc.}
			PTR	`01.dnsv.jp`
		A	157.7.32.53^{🇯🇵 GMO-DNS157.7.32.0/24 GMO Internet,inc. Network-Team.}
			PTR	`01.dnsv.jp`
NS	`02.dnsv.jp`
		A	157.7.33.53^{🇯🇵 GMO-DNS157.7.33.0/24 GMO Internet,inc. Network-Team.}
			PTR	`02.dnsv.jp`
NS	`03.dnsv.jp`
		A	2400:8500:3000::53^{🇯🇵 GMO-DNS2400:8500:3000::/48 GMO Internet,inc.}
			PTR	`03.dnsv.jp`
		A	157.7.34.53^{🇯🇵 GMO-DNS157.7.34.0/24 GMO Internet,inc. Network-Team.}
			PTR	`03.dnsv.jp`
NS	`04.dnsv.jp`
		A	2400:8500:3fff::53^{🇯🇵 GMO-DNS2400:8500:3fff::/48 GMO Internet,inc.}
			PTR	`04.dnsv.jp`
		A	157.7.35.53^{🇯🇵 GMO-DNS157.7.35.0/24 GMO Internet,inc. Network-Team.}
			PTR	`04.dnsv.jp`
MX	`mail.workstation.co.jp` ⭐
		A	203.138.167.59^{🇯🇵 InfoSphere203.138.0.0/16 INFOSPHERE}
			PTR	`v0100-059.mailsecure.jp`
TXT	`v=spf1 +ip4:203.138.167.59 +ip4:210.150.11.176 +ip4:210.231.182.236 +ip4:210....`
TXT	`worksmobile-certification=h9af9lvtfaie8huzaj-wwp5hyuciyqmub-hsfts2j7p`
SOA	`01.dnsv.jp`hostmaster@dnsv.jp serial=1757658371

`co.jp`

	DNSSEC	⚠️ Not signed
	TXT	`co.jp.`

WOT: SAFE (58/100)

Subdomains

www.workstation.co.jp

mail.workstation.co.jp

Same first word

Similar names

stationwork.jp

stationwork.com

DNS History

11 records (6 active, 5 former)

●NS01.dnsv.jp2026-04-12 → 2026-04-12 · 3 obs

○ 2020-02-09 08:22:20
● 2026-04-12 11:18:48
● 2026-04-12 16:40:48

●NS02.dnsv.jp2026-04-12 → 2026-04-12 · 3 obs

○ 2020-02-09 08:22:20
● 2026-04-12 11:18:48
● 2026-04-12 16:40:48

●NS03.dnsv.jp2026-04-12 → 2026-04-12 · 3 obs

○ 2020-02-09 08:22:20
● 2026-04-12 11:18:48
● 2026-04-12 16:40:48

●NS04.dnsv.jp2026-04-12 → 2026-04-12 · 3 obs

○ 2020-02-09 08:22:20
● 2026-04-12 11:18:48
● 2026-04-12 16:40:48

○NSns.workstation.co.jp2015-08-22 → 2016-04-14 · 4 obs

● 2015-08-22 19:19:42
● 2016-04-14 05:33:10
○ 2017-01-31 22:11:26
○ 2026-04-12 16:40:48

○NSns2.workstation.co.jp2015-08-22 → 2016-04-14 · 4 obs

● 2015-08-22 19:19:42
● 2016-04-14 05:33:10
○ 2017-01-31 22:11:26
○ 2026-04-12 16:40:48

○NSpdns1.nifty.ad.jp2017-01-31 → 2020-02-09 · 5 obs

○ 2016-04-14 05:33:10
● 2017-01-31 22:11:26
● 2020-02-09 08:22:20
○ 2026-04-12 11:18:48
○ 2026-04-12 16:40:48

○NSpdns2.nifty.ad.jp2017-01-31 → 2020-02-09 · 5 obs

○ 2016-04-14 05:33:10
● 2017-01-31 22:11:26
● 2020-02-09 08:22:20
○ 2026-04-12 11:18:48
○ 2026-04-12 16:40:48

●MXmail.workstation.co.jp2015-08-22 → 2026-04-12 · 2 obs

● 2015-08-22 19:19:42
● 2026-04-12 16:40:48

○A210.150.6.2322015-08-22 → 2020-02-09 · 4 obs

● 2015-08-22 19:19:42
● 2020-02-09 08:22:20
○ 2026-04-12 11:18:48
○ 2026-04-12 16:40:48

●A210.231.181.2162026-04-12 → 2026-04-12 · 3 obs

○ 2020-02-09 08:22:20
● 2026-04-12 11:18:48
● 2026-04-12 16:40:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	h.dns.jp, g.dns.jp, c.dns.jp, b.dns.jp...	-
workstation.co.jp	03.dnsv.jp, 01.dnsv.jp, 02.dnsv.jp, 04.dnsv.jp	7 records

✅ Authoritative Response

Server:157.7.34.53

NS records: 03.dnsv.jp, 01.dnsv.jp, 02.dnsv.jp, 04.dnsv.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 580ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`210.231.181.216`
NS	4	`01.dnsv.jp, 02.dnsv.jp...`
MX	1	`mail.workstation.co.jp (pri: 10)`
TXT	2	`v=spf1 +ip4:203.138.167.59 +ip4:210.150., worksmobile-certification=h9af9lvtfaie8h`
SOA	1	`01.dnsv.jp hostmaster.dnsv.jp`

📌 Glue Records Collected

Total: 7

Out-of-bailiwick: 7 (01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp...)

Analysis

Hierarchy

workstation.co.jp is a parent of www.workstation.co.jp and mail.workstation.co.jp.

IP Addresses

workstation.co.jp points to a single IP: 210.231.181.216.

Other host names, such as www.workstation.co.jp, share IP numbers with workstation.co.jp.

Name Servers

workstation.co.jp's delegation is handled by four name servers: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.

workstation.co.jp partially shares name servers with other domains; examples include iidoyo-naika.com, otomachi.jp, gibfreu.com, nasubi.co.jp and mailnews.jp.

Host names with two IP numbers: 01.dnsv.jp points to 2400:8500:3300::53 and 157.7.32.53; 03.dnsv.jp points to 2400:8500:3000::53 and 157.7.34.53; 04.dnsv.jp points to 2400:8500:3fff::53 and 157.7.35.53. Host names with one IP number: 02.dnsv.jp points to 157.7.33.53.

Mail Servers

workstation.co.jp is handled by a single mail server, mail.workstation.co.jp.

mail.workstation.co.jp points to a single IP: 203.138.167.59.

workstation.co.jp - robtex.com