DNSWHOIS.INFO - cs21.com
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cs21.com checked at 2025-10-07T11:48:49.904Z 847ms 88/88/88 100% R:15cs21.com
| NS | ns1.namesvr.net | ||||||
| A | 112.175.14.100🇰🇷 KT Corporation (Korea Telecom) | ||||||
| NS | ns2.namesvr.net | ||||||
| A | 183.111.144.126🇰🇷 KT Corporation (Korea Telecom) | ||||||
| MX | cs21-com.mail.protection.outlook.com | ||||||
| A | 2a01:111:f403:cc09:: 🇸🇬 Microsoft | ||||||
| PTR | mail-sg2pr03cu00500.inbound.protection.outlook.com | ||||||
| A | 2a01:111:f403:cc09::1 🇸🇬 Microsoft | ||||||
| A | 2a01:111:f403:cc1a::8 🇯🇵 Microsoft | ||||||
| PTR | mail-tydpr03cu00100.inbound.protection.outlook.com | ||||||
| A | 2a01:111:f403:cc1f::4 🇯🇵 Microsoft | ||||||
| PTR | mail-os8pr02cu00104.inbound.protection.outlook.com | ||||||
| A | 52.101.124.117🇯🇵 Microsoft | ||||||
| PTR | mail-tydpr03cu00105.inbound.protection.outlook.com | ||||||
| A | 52.101.137.0🇸🇬 Microsoft | ||||||
| PTR | mail-sg2pr03cu00500.inbound.protection.outlook.com | ||||||
| A | 52.101.137.2🇸🇬 Microsoft | ||||||
| A | 52.101.157.80🇺🇸 Microsoft | ||||||
| PTR | mail-os8pr02cu00100.inbound.protection.outlook.com | ||||||
| A | 119.205.211.105🇰🇷 KT Corporation (Korea Telecom) | ||||||
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AI analysis
cs21.com is the parent of ns1.cs21.com, ns2.cs21.com, ns3.cs21.com, mail.cs21.com, ns4.cs21.com and several other host names.
cs21.com points to a single IP: 119.205.211.105.
Other host names, for instance www.centumsoft.com, www.cs21.com and centumsoft.com share IP numbers with cs21.com.
cs21.com's delegation is to two name servers ns1.namesvr.net and ns2.namesvr.net.
cs21.com shares the same name server configuration as other domains, such as nechingu.com, ok-dang.com, compass98.co.kr, izmdesign.co.kr and teletron.co.kr.
Host names with a single IP:
ns1.namesvr.net resolves to 112.175.14.100.
ns2.namesvr.net resolves to 183.111.144.126.
cs21.com is served by a single mail server, cs21-com.mail.protection.outlook.com.
The host name cs21-com.mail.protection.outlook.com resolves to eight IP numbers: 2a01:111:f403:cc09::, 2a01:111:f403:cc09::1, 2a01:111:f403:cc1a::8, 2a01:111:f403:cc1f::4, 52.101.124.117, 52.101.137.0, 52.101.137.2 and 52.101.157.80.