DNSWHOIS.INFO - it-system.co.jp

Search for IP or hostnames:

it-system.co.jp checked at 2025-09-08T03:48:29.962Z 316ms 106/106/106 100% R:23

`it-system.co.jp`

NS	`01.dnsv.jp`
		A	2400:8500:3300::53 ^{🇯🇵 GMO-DNS}
			PTR	`01.dnsv.jp`
		A	157.7.32.53^{🇯🇵 GMO-DNS}
			PTR	`01.dnsv.jp`
NS	`02.dnsv.jp`
		A	157.7.33.53^{🇯🇵 GMO-DNS}
			PTR	`02.dnsv.jp`
NS	`03.dnsv.jp`
		A	2400:8500:3000::53 ^{🇯🇵 GMO-DNS}
			PTR	`03.dnsv.jp`
		A	157.7.34.53^{🇯🇵 GMO-DNS}
			PTR	`03.dnsv.jp`
NS	`04.dnsv.jp`
		A	2400:8500:3fff::53 ^{🇯🇵 GMO-DNS}
			PTR	`04.dnsv.jp`
		A	157.7.35.53^{🇯🇵 GMO-DNS}
			PTR	`04.dnsv.jp`
MX	`itsystem-co-jp0e.mail.protection.outlook.com`
		A	2a01:111:f403:cc1a::1 ^{🇯🇵 Microsoft}
			PTR	`mail-ty3p286cu00101.inbound.protection.outlook.com`
		A	2a01:111:f403:cc1a::2 ^{🇯🇵 Microsoft}
			PTR	`mail-tyvp286cu00302.inbound.protection.outlook.com`
		A	2a01:111:f403:cc1f:: ^{🇯🇵 Microsoft}
			PTR	`mail-os9p286cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:cc24:: ^{🇯🇵 Microsoft}
			PTR	`mail-os0p286cu01300.inbound.protection.outlook.com`
		A	52.101.124.0^{🇯🇵 Microsoft}
			PTR	`mail-tycp286cu02600.inbound.protection.outlook.com`
		A	52.101.124.1^{🇯🇵 Microsoft}
			PTR	`mail-ty3p286cu00101.inbound.protection.outlook.com`
		A	52.101.157.10^{🇺🇸 Microsoft}
			PTR	`mail-os0p286cu01302.inbound.protection.outlook.com`
		A	52.101.157.11^{🇺🇸 Microsoft}
			PTR	`mail-os0p286cu01203.inbound.protection.outlook.com`
A	60.43.198.221^{🇯🇵 NTT Communications Corporation (OCN)}
		PTR	`it-system.co.jp`

PTR for
`221.198.43.60.in-addr.arpa`

60.43.198.221 is the IP address that it-system.co.jp points to.

Four name servers, 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, and 04.dnsv.jp, are delegated to it-system.co.jp.

The domain it-system.co.jp partially shares its name servers with other domains such as aile.work, grade-jpn.com, ryokufu-kanko-gw.net, jognote.com, and a-co.in.

01.dnsv.jp points to IP numbers 2400:8500:3300::53 and 157.7.32.53, while 02.dnsv.jp points to IP number 157.7.33.53. Additionally, 03.dnsv.jp points to IP numbers 2400:8500:3000::53 and 157.7.34.53, and 04.dnsv.jp points to IP numbers 2400:8500:3fff::53 and 157.7.35.53.

The mail server itsystem-co-jp0e.mail.protection.outlook.com is responsible for managing it-system.co.jp.

itsystem-co-jp0e.mail.protection.outlook.com is configured to point to the following eight IP numbers: 2a01:111:f403:cc1a::1, 2a01:111:f403:cc1a::2, 2a01:111:f403:cc1f::, 2a01:111:f403:cc24::, 52.101.124.0, 52.101.124.1, 52.101.157.10, and 52.101.157.11.

dbq