DNSWHOIS.INFO - mail.sys21.co.kr
Search for IP or hostnames:
mail.sys21.co.kr checked at 2025-11-05T13:13:35.069Z 5077ms 27/28/28 96% R:17mail.sys21.co.kr
| A | 112.216.19.70🇰🇷 LG Uplus | ||||||
| PTR | mail.sys21.co.kr | ||||||
sys21.co.kr
| NS | ns1.uhost.co.kr | ||||||
| NS | ns2.uhost.co.kr | ||||||
| A | 112.216.19.66🇰🇷 LG Uplus | ||||||
PTR for
MX for
Starts with same word
Starts similarily
AI analysis
The mail server for sys21.co.kr is mail.sys21.co.kr.
mail.sys21.co.kr points to a single IP number: 112.216.19.70.
Other host names such as mail.bigco.kr and bigco.kr share IP numbers with mail.sys21.co.kr.
dbq