WWW.RTSAK.COM - client4u.cc

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client4u.cc checked at 2025-10-03T12:40:51.790Z 143ms 96/96/96 100% R:12

`client4u.cc`

NS	`ns1.world4you.at`
		A	2607:f1c0:fe:53:185:132:32:253 ^{🇺🇸 IONOS-Anycast}
			PTR	`ns2.world4you.at`
		A	185.132.32.253^{🇩🇪 IONOS-Anycast}
			PTR	`ns2.world4you.at`
NS	`ns2.world4you.at`
		A	2001:8d8:fe:53:217:160:82:253 ^{🇩🇪 IONOS SE}
			PTR	`ns1.world4you.at`
		A	217.160.82.253^{🇩🇪 IONOS SE}
			PTR	`ns1.world4you.at`
MX	`client4u-cc.mail.protection.outlook.com`
		A	2a01:111:f403:ca04:: ^{🇮🇪 Microsoft}
			PTR	`mail-db3pr0202cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::1 ^{🇮🇪 Microsoft}
			PTR	`mail-db7pr03cu00401.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::f ^{🇮🇪 Microsoft}
			PTR	`mail-db7pr03cu00507.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::d ^{🇳🇱 Microsoft}
			PTR	`mail-as9pr05cu01305.inbound.protection.outlook.com`
		A	52.101.68.3^{🇮🇪 Microsoft}
			PTR	`mail-db7pr03cu00403.inbound.protection.outlook.com`
		A	52.101.68.10^{🇮🇪 Microsoft}
			PTR	`mail-dbbpr03cu00102.inbound.protection.outlook.com`
		A	52.101.73.1^{🇳🇱 Microsoft}
			PTR	`mail-am3pr04cu00501.inbound.protection.outlook.com`
		A	52.101.73.24^{🇳🇱 Microsoft}
			PTR	`mail-as8pr05cu00300.inbound.protection.outlook.com`
A	81.19.145.94^{🇦🇹 World4You Internet Services GmbH}
		PTR	`www74.world4you.com`

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client4u.cc

client4u.cc is a parent of email.client4u.cc and mail.client4u.cc.

client4u.cc resolves to one IP number: 81.19.145.94.

other host names including gres.at, danielauer.at, by-u.at, scheko.at and bikeandguide.com share IP numbers with client4u.cc.

client4u.cc is delegated to two name servers ns1.world4you.at and ns2.world4you.at.

client4u.cc shares the same name server setup as other domains, for instance pfitscher.at, n-b-c.at, snerz.at, simitci.at and xposed.at.

Host names with two IP numbers:

The host name ns1.world4you.at points to 2607:f1c0:fe:53:185:132:32:253 and 185.132.32.253; the host name ns2.world4you.at points to 2001:8d8:fe:53:217:160:82:253 and 217.160.82.253.

client4u.cc is handled by a single mail server, client4u-cc.mail.protection.outlook.com.

Host client4u-cc.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::, 2a01:111:f403:ca04::1, 2a01:111:f403:ca04::f, 2a01:111:f403:ca09::d, 52.101.68.3, 52.101.68.10, 52.101.73.1 and 52.101.73.24.

dbq