MXLIST.NET - firstclass.is

Search for IP or hostnames:

firstclass.is checked at 2025-10-25T03:01:20.967Z 443ms 88/88/88 100% R:19

`firstclass.is`

NS	`ns1.xnet.is`
		A	185.248.120.75^{🇮🇸 IS-Netheimur}
			PTR	`cl4.xnet.is`
NS	`ns2.xnet.is`
		A	217.9.143.94^{🇮🇸 Vodafone Iceland}
			PTR	`ns2.xnet.is`
MX	`firstclass-is.mail.protection.outlook.com`
		A	2a01:111:f403:ca04:: ^{🇮🇪 Microsoft}
			PTR	`mail-db3pr0202cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::4 ^{🇮🇪 Microsoft}
			PTR	`mail-db4pr02cu00204.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::5 ^{🇳🇱 Microsoft}
			PTR	`mail-am1pr04cu00105.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::b ^{🇳🇱 Microsoft}
			PTR	`mail-am7pr05cu00103.inbound.protection.outlook.com`
		A	52.101.68.10^{🇮🇪 Microsoft}
			PTR	`mail-dbbpr03cu00102.inbound.protection.outlook.com`
		A	52.101.68.12^{🇮🇪 Microsoft}
			PTR	`mail-db9pr02cu00204.inbound.protection.outlook.com`
		A	52.101.68.36^{🇮🇪 Microsoft}
			PTR	`mail-db5pr02cu00104.inbound.protection.outlook.com`
		A	52.101.73.15^{🇳🇱 Microsoft}
			PTR	`mail-am9pr04cu00107.inbound.protection.outlook.com`
A	217.9.143.30^{🇮🇸 Vodafone Iceland}

firstclass.is points to a single IP: 217.9.143.30.

Other host names, for instance infuse.is, gongugreining.is, hundahotel.is, islandsnet.is and dansogjoga.is share IP numbers with firstclass.is.

Two name servers ns1.xnet.is and ns2.xnet.is handle delegation for firstclass.is.

firstclass.is uses the same name server setup as other domains, for example gudrunardottir.com, hagur.is, heyrnarvernd.is, egg.is and lifsspor.is.

firstclass.is partially shares name servers with other domains; examples include parketslipunislands.is, tron.is, fs.is, dv.is and gastec.is.

Host names with one IP number: The host name ns1.xnet.is points to 185.248.120.75 and the host name ns2.xnet.is points to 217.9.143.94.

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

Hostname firstclass-is.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::, 2a01:111:f403:ca04::4, 2a01:111:f403:ca09::5, 2a01:111:f403:ca09::b, 52.101.68.10, 52.101.68.12, 52.101.68.36 and 52.101.73.15.

dbq