`dosystem.co.jp`

DNSSEC	⚠️ Not signed
A	153.122.205.9^{🇯🇵 AS131921153.122.192.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K.}
NS	`ns2.namedserver.net` ⭐
		A	157.120.112.212^{🇯🇵 GMOHS-CL157.120.112.0/24 GMO GlobalSign Holdings K.K.}
		A	157.120.113.212^{🇯🇵 GMOHS-CL157.120.113.0/24 GMO GlobalSign Holdings K.K.}
		A	157.120.114.212^{🇯🇵 GMOHS-CL157.120.114.0/24 GMO GlobalSign Holdings K.K.}
NS	`ns.namedserver.net`
		A	157.120.112.212^{🇯🇵 GMOHS-CL157.120.112.0/24 GMO GlobalSign Holdings K.K.}
		A	157.120.113.212^{🇯🇵 GMOHS-CL157.120.113.0/24 GMO GlobalSign Holdings K.K.}
		A	157.120.114.212^{🇯🇵 GMOHS-CL157.120.114.0/24 GMO GlobalSign Holdings K.K.}
MX	`dosystem-co-jp.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:cc1a::1^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-ty3p286cu00101.inbound.protection.outlook.com`
		A	2a01:111:f403:cc1f::^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-os9p286cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:cc1f::1^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-os0p286cu01201.inbound.protection.outlook.com`
		A	2a01:111:f403:cc24::^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-os0p286cu01300.inbound.protection.outlook.com`
		A	52.101.124.0^{🇯🇵 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`ip-52-101-124-0.defastlink.net`
		A	52.101.124.5^{🇯🇵 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-tyvp286cu00305.inbound.protection.outlook.com`
		A	52.101.157.10^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-os0p286cu01302.inbound.protection.outlook.com`
		A	52.101.157.11^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-os0p286cu01203.inbound.protection.outlook.com`
TXT	`seculio-domain-verification-code=b75d6fb89a0d4006b6662deda340fe07c67f52ed8e0f...`
TXT	`MS=ms13465929`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`ns.namedserver.net`root@namedserver.net serial=20

`co.jp`

	DNSSEC	⚠️ Not signed
	TXT	`co.jp.`

WOT: SAFE (58/100)

Same first word

dosystem.de

dosystem.co.jp

dosystem.com

Similar names

systemdo.com

systemdo.eu

odsystem.com

systomed.at

systemdo.ru

demosyst.com

DNS History

6 records (4 active, 2 former)

●NSns.namedserver.net2015-08-22 → 2026-03-28 · 2 obs

● 2015-08-22 04:57:32
● 2026-03-28 08:33:54

●NSns2.namedserver.net2015-08-22 → 2026-03-28 · 2 obs

● 2015-08-22 04:57:32
● 2026-03-28 08:33:54

●MXdosystem-co-jp.mail.protection.outlook.com2026-03-28 → 2026-03-28 · 2 obs

○ 2017-10-22 12:33:42
● 2026-03-28 08:33:54

○MXmx.dosystem.co.jp2015-08-22 → 2017-10-22 · 3 obs

● 2015-08-22 04:57:32
● 2017-10-22 12:33:42
○ 2026-03-28 08:33:54

●A153.122.205.92026-03-28 → 2026-03-28 · 2 obs

○ 2017-10-22 12:33:42
● 2026-03-28 08:33:54

○A211.13.196.1362015-08-22 → 2017-10-22 · 3 obs

● 2015-08-22 04:57:32
● 2017-10-22 12:33:42
○ 2026-03-28 08:33:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...	-
dosystem.co.jp	ns.namedserver.net, ns2.namedserver.net	-

✅ Authoritative Response

Server:157.120.112.212

NS records: ns.namedserver.net, ns2.namedserver.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 2472ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`153.122.205.9`
NS	2	`ns.namedserver.net, ns2.namedserver.net`
MX	1	`dosystem-co-jp.mail.protection.outlook.c`
TXT	3	`MS=ms13465929, v=spf1 include:spf.protection.outlook.co...`
SOA	1	`ns.namedserver.net root.namedserver.net`