CF1759958329821-tsm20251008082644

IPLIST.NET - firstclass.is

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firstclass.is checked at 2025-10-08T21:18:49.809Z 360ms 88/88/88 100% R:24

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::5 🇮🇪 Microsoft
PTRmail-db3pr0202cu00205.inbound.protection.outlook.com
A2a01:111:f403:ca04::b 🇮🇪 Microsoft
PTRmail-dbbpr03cu00103.inbound.protection.outlook.com
A2a01:111:f403:ca09::9 🇳🇱 Microsoft
PTRmail-as8pr04cu00801.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
A52.101.68.8🇮🇪 Microsoft
PTRmail-du0pr03cu00100.inbound.protection.outlook.com
A52.101.68.16🇮🇪 Microsoft
PTRmail-db4pr02cu00400.inbound.protection.outlook.com
A52.101.73.15🇳🇱 Microsoft
PTRmail-am9pr04cu00107.inbound.protection.outlook.com
A217.9.143.30🇮🇸 Vodafone Iceland

is

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 resolves to one IP number: 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.

firstclass.is's delegation uses two name servers: ns1.xnet.is and ns2.xnet.is.

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

firstclass.is at least partially shares name servers with other domains, including parketslipunislands.is, tron.is, fs.is, dv.is and gastec.is.

Host names with a single IP address: ns1.xnet.is points to 185.248.120.75; ns2.xnet.is points to 217.9.143.94.

A single mail server handles firstclass.is, firstclass-is.mail.protection.outlook.com.

Host firstclass-is.mail.protection.outlook.com points to eight IPs: 2a01:111:f403:ca04::5, 2a01:111:f403:ca04::b, 2a01:111:f403:ca09::9, 2a01:111:f403:ca09::d, 52.101.68.0, 52.101.68.8, 52.101.68.16 and 52.101.73.15.

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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ylLCGqU CF johedugfp 2025-10-08