can't reach zoho.com or mail.zoho.com

can't reach zoho.com or mail.zoho.com

Hello
We can't reach zoho.com or mail.zoho.com.

Tracing route to zoho.com [8.40.222.155]
over a maximum of 64 hops:

traceroute zoho.com
traceroute: Warning: zoho.com has multiple addresses; using 8.40.222.155
traceroute to zoho.com (8.40.222.155), 64 hops max, 52 byte packets

traceroute zoho.com
traceroute: Warning: zoho.com has multiple addresses; using 8.40.222.155
traceroute to zoho.com (8.40.222.155), 64 hops max, 52 byte packets
1  192.168.100.1 (192.168.100.1)  0.940 ms  0.487 ms  0.346 ms
2  * * *
3  10.180.55.4 (10.180.55.4)  3.782 ms  3.720 ms  3.337 ms
4  ix-et-5-1-2-0.tcore1.xw8-laredo.as6453.net (64.86.180.17)  19.222 ms  29.863 ms  19.395 ms
5  if-ae-21-2.tcore2.dt8-dallas.as6453.net (66.110.57.113)  28.934 ms  29.529 ms  28.420 ms
6  206.82.142.46 (206.82.142.46)  29.509 ms  29.370 ms  30.172 ms
7  4.69.209.33 (4.69.209.33)  30.455 ms  30.942 ms  30.905 ms
8  * * *
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I've used a software (Tuxler) to change my IP and after that, I've been able to reach zoho.com and mail.zoho.com.

¿Is it posible that my IP is blacklisted at the server?

If is that, would you please delete it?

My IP is 187.156.69.236