DNSWHOIS.INFO - 21.training
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21.training checked at 2025-09-05T22:03:38.594Z 274ms 98/98/98 100% R:1821.training
| MX | 21.training | ||||||
| A | 77.72.3.134🇬🇧 Krystal Hosting | ||||||
| PTR | server.mccann-design.com | ||||||
| NS | ns1.mccann-design.com | ||||||
| A | 77.72.3.134🇬🇧 Krystal Hosting | ||||||
| PTR | server.mccann-design.com | ||||||
| NS | ns2.mccann-design.com | ||||||
| A | 77.72.3.134🇬🇧 Krystal Hosting | ||||||
| PTR | server.mccann-design.com | ||||||
| MX | 21-training.mail.protection.outlook.com | ||||||
| A | 2a01:111:f403:ca04::2 🇮🇪 Microsoft | ||||||
| PTR | mail-du2pr03cu00102.inbound.protection.outlook.com | ||||||
| A | 2a01:111:f403:ca04::5 🇮🇪 Microsoft | ||||||
| PTR | mail-db3pr0202cu00205.inbound.protection.outlook.com | ||||||
| A | 2a01:111:f403:ca09::4 🇳🇱 Microsoft | ||||||
| PTR | mail-am0pr04cu00504.inbound.protection.outlook.com | ||||||
| A | 2a01:111:f403:ca09::b 🇳🇱 Microsoft | ||||||
| PTR | mail-am7pr05cu00103.inbound.protection.outlook.com | ||||||
| A | 52.101.68.0🇮🇪 Microsoft | ||||||
| PTR | mail-db3pr0202cu00100.inbound.protection.outlook.com | ||||||
| A | 52.101.68.10🇮🇪 Microsoft | ||||||
| PTR | mail-dbbpr03cu00102.inbound.protection.outlook.com | ||||||
| A | 52.101.68.39🇮🇪 Microsoft | ||||||
| PTR | mail-db7pr03cu00607.inbound.protection.outlook.com | ||||||
| A | 52.101.73.15🇳🇱 Microsoft | ||||||
| PTR | mail-am9pr04cu00107.inbound.protection.outlook.com | ||||||
| A | 77.72.3.134🇬🇧 Krystal Hosting | ||||||
| PTR | server.mccann-design.com | ||||||
training
| NS | v0n0.nic.training | ||||||
| NS | v0n1.nic.training | ||||||
| NS | v0n2.nic.training | ||||||
| NS | v0n3.nic.training | ||||||
| NS | v2n0.nic.training | ||||||
| NS | v2n1.nic.training | ||||||
rank #3 in the tld
this domain is "21"
21.training |
AI analysis
The mail server for 21.training is represented by 21.training itself.
The common use of 21-training.mail.protection.outlook.com is as a mail server, in conjunction with 21.training.
21.training is associated with the IP address 77.72.3.134.
The IP numbers of 21.training are also shared with other host names such as ns2.mccann-design.com, ns2.customizedtraining.co.uk, ns1.mccann-design.com, mccann-design.com, and customizedtraining.co.uk.
Two name servers, ns1.mccann-design.com and ns2.mccann-design.com, are assigned for 21.training.
The name server setup of 21.training is shared with other domains, such as mccann-design.com.
ns1.mccann-design.com and ns2.mccann-design.com both point to the same IP number: 77.72.3.134.
Two mail servers, 21.training and 21-training.mail.protection.outlook.com, manage 21.training.
21.training is associated with the IP address: 77.72.3.134. 21-training.mail.protection.outlook.com is associated with a set of eight IP addresses: 2a01:111:f403:ca04::2, 2a01:111:f403:ca04::5, 2a01:111:f403:ca09::4, 2a01:111:f403:ca09::b, 52.101.68.0, 52.101.68.10, 52.101.68.39, and 52.101.73.15.