220.241.21.* Ptr List

China Hong Kong PCCW

Index	iP	PTR	Add time	Last found time
1	220.241.21.38	mail.pts-consulting.com.hk.	2020-11-18	2025-10-03
2	220.241.21.38	webmail.pts-consulting.com.hk.	2021-02-02	2025-09-15
3	220.241.21.52	mail.hk.oskgroup.com.	2020-05-29	2025-10-03
4	220.241.21.70	mail.cmhk.com.	2020-05-29	2025-10-03
5	220.241.21.70	mail.sinoagent.com.	2023-07-24	2025-08-31
6	220.241.21.70	mail1.sinotrans.com.	2023-08-23	2025-09-09
7	220.241.21.70	mail.sinoair.com.	2023-10-18	2025-10-03
8	220.241.21.71	mx.cmhk.com.	2020-08-10	2025-10-03
9	220.241.21.71	mx2.cmhi.com.hk.	2021-01-27	2025-07-23
10	220.241.21.71	mx1.htc.com.hk.	2021-02-02	2025-10-03
11	220.241.21.72	mail.hkmw.com.hk.	2020-05-29	2025-10-03
12	220.241.21.73	pop.hkmw.com.hk.	2020-05-29	2025-10-03
13	220.241.21.93	smtp.houlderfe.com.hk.	2020-08-10	2025-09-15
14	220.241.21.93	mx2.houlder.com.hk.	2021-02-20	2025-10-03
15	220.241.21.93	mx.houlder.com.hk.	2021-03-31	2025-10-03
16	220.241.21.93	mx2.cmhoulder.com.	2021-06-11	2025-09-09
17	220.241.21.94	mx1.houlder.com.hk.	2020-11-05	2025-09-09
18	220.241.21.94	mx.cmhoulder.com.	2021-02-20	2025-09-15
19	220.241.21.94	mx.houlderfe.com.hk.	2021-03-22	2025-10-03
20	220.241.21.94	mx1.cmhoulder.com.	2021-05-06	2025-10-03
21	220.241.21.131	stacismtp.stacicorp.com.	2020-05-29	2025-10-03
22	220.241.21.133	stacimail.stacicorp.com.	2020-05-29	2025-10-03
23	220.241.21.202	mail.globalres.com.	2020-05-29	2025-10-03