WWW.RTSAK.COM - sys-21.com

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sys-21.com checked at 2025-10-23T19:53:05.846Z 124ms 63/63/63 100% R:10

`sys-21.com`

MX	`mwbgw1.ocn.ad.jp`
		A	210.145.253.233^{🇯🇵 NTT Communications Corporation (OCN)}
MX	`mwbgw2.ocn.ad.jp`
		A	210.145.253.234^{🇯🇵 NTT Communications Corporation (OCN)}
NS	`mwns1.customer.ne.jp`
		A	210.150.23.210^{🇯🇵 NTT PC Communications (InfoSphere)}
NS	`mwns2.customer.ne.jp`
		A	202.17.152.183^{🇯🇵 NTT PC Communications (InfoSphere)}
A	122.28.41.130^{🇯🇵 NTT Communications Corporation (OCN)}
		PTR	`sys-21.com`

130.41.28.122.in-addr.arpa

sys-21.com

sys-21.com

sys-21.com resolves to a single IP address: 122.28.41.130.

sys-21.com's delegation uses two name servers, mwns1.customer.ne.jp and mwns2.customer.ne.jp.

sys-21.com shares the same name server setup as other domains, for example akira-gero.co.jp, hokkohbus.co.jp, hoda-oil.co.jp, chiyamanosato.jp and ofsi.or.jp.

Host names with a single IP:

sys-21.com is handled by two mail servers: mwbgw1.ocn.ad.jp and mwbgw2.ocn.ad.jp.

sys-21.com shares its mail server setup with other domains, including infotec-s.com, koyo-moneca.co.jp, fukuokaknit.com, taniya-engei.co.jp and ebara-kaikei.ecnet.jp.

Host names with a single IP:

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