CF1763721004344-tsm20251116095642

WWW.ROBTEX.COM - server3a.extremeserv.net

Search for IP or hostnames:

server3a.extremeserv.net checked at 2025-11-21T10:30:04.026Z 2069ms 69/69/69 100% R:8 allDone:true timedOut:false

`server3a.extremeserv.net`

	MX	`sb03h.hmng.net`
			A	218.251.116.233^{🇯🇵 OPTAGE}
				PTR	`sb03h.hmng.net`
	MX	`sb04h.hmng.net`
			A	218.251.116.234^{🇯🇵 OPTAGE}
				PTR	`sb04h.hmng.net`
	A	180.147.250.29^{🇯🇵 OPTAGE}
			PTR	`server3a.extremeserv.net`

`extremeserv.net`

	MX	`mfg05.sendmail.ne.jp`
	MX	`mfg06.sendmail.ne.jp`
	NS	`ns5.sendmail.ne.jp`
	NS	`ns6.sendmail.ne.jp`
	A	13.230.154.25^{🇯🇵 Amazon}

PTR for

29.250.147.180.in-addr.arpa

AI analysis

server3a.extremeserv.net points to a single IP address: 180.147.250.29.

Other host names such as mail.nagaso.co.jp, mail.isaji.com, mail.sdi-inc.co.jp, terashita.com and inaidental.com share IP numbers with server3a.extremeserv.net.

server3a.extremeserv.net is handled by two mail servers: sb03h.hmng.net and sb04h.hmng.net.

server3a.extremeserv.net uses the same mail server setup as other domains, for instance server39.extremeserv.net, server3b.extremeserv.net, server37.extremeserv.net, server30.extremeserv.net and server31.extremeserv.net.

server3a.extremeserv.net shares at least some mail servers with other domains, for example ksic.jp, comer.jp, minedenshi.co.jp, cocoplus.jp and ikawaworks.co.jp.

these mail servers are frequently used alongside the mail servers mail.ksic.jp.

Hostnames with a single IP

sb03h.hmng.net resolves to: 218.251.116.233.

sb04h.hmng.net resolves to: 218.251.116.234.

dbq