221.143.21.* Ptr List

South Korea Seoul SKtelecom

Index	iP	PTR	Add time	Last found time
1	221.143.21.189	pft.kr.	2021-08-24	2026-09-04
2	221.143.21.196	lemonplus155.lemonplus.kr.	2021-08-24	2026-09-04
3	221.143.21.203	s196.cloudmail.co.kr.	2021-08-24	2026-09-04
4	221.143.21.207	s215.sendmail04.com.	2021-08-24	2026-09-04
5	221.143.21.212	lemonplus188.cloudmail.co.kr.	2021-08-24	2026-09-04
6	221.143.21.214	s556.mailcloud.co.kr.	2021-08-24	2026-09-04
7	221.143.21.216	lemonplus189.cloudmail.co.kr.	2021-08-24	2026-09-04
8	221.143.21.222	kagta.org.	2024-05-21	2026-09-04
9	221.143.21.223	lemonplus211.cheomservice.co.kr.	2021-08-24	2026-09-04
10	221.143.21.226	s0010.sendmail03.com.	2021-08-24	2026-09-04
11	221.143.21.238	s113.sendmail06.com.	2021-08-24	2026-09-04
12	221.143.21.240	s260.sendmail05.com.	2021-08-24	2026-09-04
13	221.143.21.244	lemonplus177.cheomservice.co.kr.	2021-08-24	2026-09-04
14	221.143.21.248	s343.mymailersoft.co.	2021-08-24	2026-09-04
15	221.143.21.249	s170.sendemail08.com.	2021-08-24	2026-09-04
16	221.143.21.222	smtp3.ethan-alice.com.	2022-10-02	2024-04-21