CF1760832332461-tsm20251017082432

WWW.RTSAK.COM - worldclass.is

Search for IP or hostnames:

worldclass.is checked at 2025-10-19T00:05:32.448Z 211ms 122/122/122 100% R:14

worldclass.is

NSns1.1984hosting.com
A2a01:3f0:400::36 🇸🇪 Netnod
PTRns1.1984hosting.com
A185.42.137.114🇸🇪 Netnod
PTRns1.1984hosting.com
NSns2.1984hosting.com
A93.95.226.53🇮🇸 THE-1984-AS
PTRns2.1984hosting.com
NSns0.1984.is
A2001:19f0:5001:185a:5400:ff:fe50:56d5 🇳🇱 The Constant Company
PTRns0.1984.is
A45.76.37.222🇳🇱 The Constant Company
PTRns0.1984.is
NSns1.1984.is
A2a01:3f1:36::53 🇸🇪 Netnod
PTRns1.1984.is
A194.58.192.36🇸🇪 Netnod
PTRns1.1984.is
NSns2.1984.is
A45.32.180.186🇬🇧 The Constant Company
PTRns2.1984.is
A93.95.226.52🇮🇸 THE-1984-AS
PTRns2.1984.is
MXworldclass-is.mail.protection.outlook.com
A2a01:111:f403:ca04::b 🇮🇪 Microsoft
PTRmail-dbbpr03cu00103.inbound.protection.outlook.com
A2a01:111:f403:ca09::2 🇳🇱 Microsoft
PTRmail-am0pr83cu00402.inbound.protection.outlook.com
A2a01:111:f403:ca09::4 🇳🇱 Microsoft
PTRmail-am0pr04cu00504.inbound.protection.outlook.com
A2a01:111:f403:ca09::c 🇳🇱 Microsoft
PTRmail-as8pr05cu00304.inbound.protection.outlook.com
A52.101.68.3🇮🇪 Microsoft
PTRmail-db7pr03cu00403.inbound.protection.outlook.com
A52.101.73.2🇳🇱 Microsoft
PTRmail-as9pr07cu00302.inbound.protection.outlook.com
A52.101.73.11🇳🇱 Microsoft
PTRmail-am1pr04cu00103.inbound.protection.outlook.com
A52.101.73.30🇳🇱 Microsoft
PTRmail-am7pr05cu00306.inbound.protection.outlook.com
A76.76.21.21🇺🇸 Amazon

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

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Starts with same word

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AI analysis

worldclass.is is a parent of www.worldclass.is and postur.worldclass.is.

worldclass.is points to a single IP: 76.76.21.21.

Other host names, for instance theviewpoint.com, winstonfurniture.com, foodii.co.uk, pqc.org and adrnet.com share IP numbers with worldclass.is.

worldclass.is is delegated to five name servers: ns1.1984hosting.com, ns2.1984hosting.com, ns0.1984.is, ns1.1984.is and ns2.1984.is.

worldclass.is partially shares name servers with other domains; examples include velaborg.is, tern.is, nacionalelectronica.com, proxista-treuhand.ch and svaedisgardur.is.

Two IP numbers per host:

ns1.1984hosting.com points to: 2a01:3f0:400::36 and 185.42.137.114

ns0.1984.is points to: 2001:19f0:5001:185a:5400:ff:fe50:56d5 and 45.76.37.222

ns1.1984.is points to: 2a01:3f1:36::53 and 194.58.192.36

ns2.1984.is points to: 45.32.180.186 and 93.95.226.52

One IP number per host:

ns2.1984hosting.com points to: 93.95.226.53

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

Hostname worldclass-is.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::b, 2a01:111:f403:ca09::2, 2a01:111:f403:ca09::4, 2a01:111:f403:ca09::c, 52.101.68.3, 52.101.73.2, 52.101.73.11 and 52.101.73.30.

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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POnjcQA CF johedugfp 2025-10-19