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smtp1.isc4u.de checked at 2025-10-08T00:15:37.118Z 0ms 27/27/27 100% R:0

`smtp1.isc4u.de`

194.195.135.5^{🇩🇪 GTT Communications (AS3257)}

	NS	`pdns82.ultradns.biz`
	NS	`pdns82.ultradns.com`
	NS	`pdns82.ultradns.net`
	NS	`pdns82.ultradns.org`
	MX	`isc4u-de.mail.protection.outlook.com`

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smtp1.selfip.net

smtp1.hu

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tpms1.com

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1stpm.net

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smtp1.gouv.ml

smtp1.com

smtp1.isc4u.de points to a single IP address: 194.195.135.5.

Other host names, such as gneiss.isc4u.de and smtp1.isc4u.net, share IP numbers with smtp1.isc4u.de.

dbq