CF1759544104552-tsm20251003185623

WWW.ROBTEX.COM - firstclass.is

Search for IP or hostnames:

firstclass.is checked at 2025-10-04T02:15:04.527Z 293ms 143/143/143 100% R:18

firstclass.is

NSns1.xnet.is
A185.248.120.75🇮🇸 IS-Netheimur
PTRcl4.xnet.is
NSns2.xnet.is
A217.9.143.94🇮🇸 Vodafone Iceland
PTRns2.xnet.is
MXfirstclass-is.mail.protection.outlook.com
A2a01:111:f403:ca04::b🇮🇪 Microsoft
PTRmail-dbbpr03cu00103.inbound.protection.outlook.com
A2a01:111:f403:ca09::5🇳🇱 Microsoft
PTRmail-am1pr04cu00105.inbound.protection.outlook.com
A2a01:111:f403:ca09::7🇳🇱 Microsoft
PTRmail-am9pr04cu00107.inbound.protection.outlook.com
A2a01:111:f403:ca09::d🇳🇱 Microsoft
PTRmail-as9pr05cu01305.inbound.protection.outlook.com
A52.101.68.0🇮🇪 Microsoft
PTRmail-db3pr0202cu00100.inbound.protection.outlook.com
A52.101.68.25🇮🇪 Microsoft
PTRmail-db8pr02cu00101.inbound.protection.outlook.com
A52.101.73.11🇳🇱 Microsoft
PTRmail-am1pr04cu00103.inbound.protection.outlook.com
A52.101.73.12🇳🇱 Microsoft
PTRmail-am4pr0401cu00104.inbound.protection.outlook.com
A217.9.143.30🇮🇸 Vodafone Iceland

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NSa.nic.is
NSb.nic.is
NSc.nic.is
NSd.nic.is
NSe.nic.is

Starts with same word

Starts similarily

AI analysis

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::b, 2a01:111:f403:ca09::5, 2a01:111:f403:ca09::7, 2a01:111:f403:ca09::d, 52.101.68.0, 52.101.68.25, 52.101.73.11 and 52.101.73.12.

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
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yRJIGBS CF johedugfp 2025-10-04