220.181.21.* Ptr List
China Beijing telecom
| Index | iP | PTR | Add time | Last found time |
|---|---|---|---|---|
| 1 | 220.181.21.16 | ns2.chinahr.com. | 2020-06-03 | 2025-05-04 |
| 2 | 220.181.21.76 | ns1.chinahr.com. | 2020-06-03 | 2025-05-04 |
| 3 | 220.181.21.78 | mx1.chinahr.com. | 2020-06-03 | 2025-05-04 |
| 4 | 220.181.21.79 | mx2.chinahr.com. | 2020-06-03 | 2025-05-04 |
| 5 | 220.181.21.84 | mx84.mail.chinahr.com. | 2020-06-03 | 2025-05-04 |
| 6 | 220.181.21.85 | mx85.mail.chinahr.com. | 2020-06-03 | 2025-05-04 |
| 7 | 220.181.21.86 | mx86.mail.chinahr.com. | 2020-06-03 | 2025-05-04 |
| 8 | 220.181.21.87 | mx87.mail.chinahr.com. | 2020-06-03 | 2025-05-04 |
| 9 | 220.181.21.88 | mx88.mail.chinahr.com. | 2020-06-03 | 2025-05-04 |
| 10 | 220.181.21.89 | mx89.mail.chinahr.com. | 2020-06-03 | 2025-05-04 |
| 11 | 220.181.21.90 | mx90.mail.chinahr.com. | 2020-06-03 | 2025-05-04 |
| 12 | 220.181.21.91 | mx91.mail.chinahr.com. | 2020-06-03 | 2025-05-04 |
| 13 | 220.181.21.92 | mx92.mail.chinahr.com. | 2020-06-03 | 2025-05-04 |
| 14 | 220.181.21.93 | mx93.mail.chinahr.com. | 2020-06-03 | 2025-05-04 |
| 15 | 220.181.21.94 | mx94.mail.chinahr.com. | 2020-06-03 | 2025-05-04 |
| 16 | 220.181.21.95 | mx95.mail.chinahr.com. | 2020-06-03 | 2025-05-04 |
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