DNSWHOIS.INFO - sys.okayama-u.ac.jp

Search for IP or hostnames:

sys.okayama-u.ac.jp checked at 2025-11-17T00:39:29.085Z 540ms 86/86/86 100% R:19 allDone:true timedOut:false

`sys.okayama-u.ac.jp`

NS	`ouns1.okayama-u.ac.jp`
		A	150.46.44.5^{🇯🇵 SINET-AS}
			PTR	`ouns1.okayama-u.ac.jp`
NS	`ouns2.okayama-u.ac.jp`
		A	150.46.44.6^{🇯🇵 SINET-AS}
			PTR	`ouns2.okayama-u.ac.jp`
NS	`ouns3.okayama-u.ac.jp`
		A	153.126.193.58^{🇯🇵 SAKURA-A}
			PTR	`ik1-332-26304.vs.sakura.ne.jp`
MX	`okayama-u.in.tmems-jp.trendmicro.com`
		A	18.176.203.131^{🇯🇵 Amazon}
			PTR	`in.tmems-jp.trendmicro.com`
		A	18.176.203.132^{🇯🇵 Amazon}
			PTR	`in.tmems-jp.trendmicro.com`
		A	18.176.203.133^{🇯🇵 Amazon}
			PTR	`in.tmems-jp.trendmicro.com`
MX	`mailrly.cc.okayama-u.ac.jp`
		A	150.46.138.231^{🇯🇵 SINET-AS}
A	153.120.7.67^{🇯🇵 SAKURA-A}
		PTR	`www20293ui.sakura.ne.jp`

`okayama-u.ac.jp`

	MX	`alml001.okayama-u.ac.jp`
	NS	`ouns1.okayama-u.ac.jp`
	NS	`ouns2.okayama-u.ac.jp`
	NS	`ouns3.okayama-u.ac.jp`
	MX	`okayama-u.in.tmems-jp.trendmicro.com`

rank #19341 globally
rank #377 in the tld

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AI analysis

sys.okayama-u.ac.jp resolves to one IP number: 153.120.7.67.

Other host names for instance www20293ui.sakura.ne.jp and gnst.okayama-u.ac.jp share IP numbers with sys.okayama-u.ac.jp.

sys.okayama-u.ac.jp is delegated to three name servers: ouns1.okayama-u.ac.jp, ouns2.okayama-u.ac.jp and ouns3.okayama-u.ac.jp.

sys.okayama-u.ac.jp at least partially shares name servers with other domains, including mssbhp.okayama-u.ac.jp, hokekan.okayama-u.ac.jp, biol.okayama-u.ac.jp, ccsv.okayama-u.ac.jp and xqw.okayama-u.ac.jp.

Host names with a single IP:

ouns1.okayama-u.ac.jp points to 150.46.44.5; ouns2.okayama-u.ac.jp points to 150.46.44.6; ouns3.okayama-u.ac.jp points to 153.126.193.58.

sys.okayama-u.ac.jp is served by two mail servers okayama-u.in.tmems-jp.trendmicro.com and mailrly.cc.okayama-u.ac.jp.

sys.okayama-u.ac.jp shares the same mail server setup as other domains, for instance pharm.okayama-u.ac.jp, ems.okayama-u.ac.jp, pheasant.pharm.okayama-u.ac.jp, mech.okayama-u.ac.jp and e.okayama-u.ac.jp.

sys.okayama-u.ac.jp shares at least some mail servers with other domains, for example swlab.cs.okayama-u.ac.jp, arc.cs.okayama-u.ac.jp, ecosun.e.okayama-u.ac.jp, okayama-u.ac.jp and math.okayama-u.ac.jp.

These mail servers are commonly used with the servers alml001.okayama-u.ac.jp, csserv.cs.okayama-u.ac.jp, mx1.swlab.cs.okayama-u.ac.jp, mx0.arc.cs.okayama-u.ac.jp, rooster.math.okayama-u.ac.jp, psun.phys.okayama-u.ac.jp, ccmail2.cc.okayama-u.ac.jp and mx.anc.okayama-u.ac.jp.

Names with three IPs:

okayama-u.in.tmems-jp.trendmicro.com points to: 18.176.203.131, 18.176.203.132 and 18.176.203.133.

Names with one IP:

mailrly.cc.okayama-u.ac.jp points to: 150.46.138.231.

dbq