Brought here from a PM;
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Hi , I'm a support IT administrator of a company, my ip has been blocked and listed as spam, i have clean the infected computer. I wanna deblock my ip but in your query bl.spamcop.net said that my IP have a "DNS error 190.41.108.90 has no reverse dns" because of this problem, express-delisting is not available. What can I do ????
How much time does I have to wait?

My ip is 190.41.108.90

Thanks for help
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Are you sure?

http://www.senderbase.org/senderbase_queri...g=190.41.108.90
Volume Statistics for this IP
Magnitude Vol Change vs. Last Month
Last day ...... 2.9 .. 1706%
Last month .. 1.7

Noting other data on that page;
Date of first message seen from this address 2008-04-02
# of domains controlled by this network owner 1294
The SpamCopDNSBL is not the only BL this IP Address is listed on ....
At the bottom of that age is a list of IP Addresses seen sending e-mail .... I see only one with DNS/rDNS assigned. I don't recall ever seeing such an unpopulated list.

As far as getting DNS records completed, my guess would be that you'll need to talk to the following folks;
inetnum: 190.41.108.0/25
status: reallocated
owner: PE-TDPERX8-LACNIC
ownerid: PE-PETD12-LACNIC
responsible: TELEFONICA DEL PERU
address: Av San Felipe 1144 Surquillo, 1144,
address: 00023 - LIMA -
country: PE
phone: +51 1 2106771 [6771]
person: Gestion Dir. IP Telefónica del Perú
e-mail: gestionip[at]TELEFONICA.NET.PE
address: Calle San Felipe 1144, 1144,
address: LI34 - Lima - LI
country: PE

http://www.spamcop.net/w3m?action=checkblo...p=190.41.108.90
190.41.108.90 listed in bl.spamcop.net (127.0.0.2)
If there are no reports of ongoing objectionable email from this system it will be delisted automatically in approximately 18 hours.
Causes of listing
System has sent mail to SpamCop spam traps in the past week (spam traps are secret, no reports or evidence are provided by SpamCop)

Note also part of the justification for "SenderBase reputation score Poor ";
Other hosts in this "neighborhood" with spam reports
190.41.107.114 190.41.107.116 190.41.107.150 190.41.107.183 190.41.107.252 190.41.108.80 190.41.108.103 190.41.108.114 190.41.108.116 190.41.108.149

Not good at all.

Which readily expands (picking from that list and running through SenderBase again) to:

190.41.107.114	190.41.108.149	190.41.110.18	190.41.110.59
190.41.107.116	190.41.109.97	190.41.110.20	190.41.110.81
190.41.107.150	190.41.109.98	190.41.110.21	190.41.110.83
190.41.107.183	190.41.109.107	190.41.110.24	190.41.110.89
190.41.107.252	190.41.109.119	190.41.110.31	190.41.110.92
190.41.108.80	190.41.109.121	190.41.110.32	190.41.110.94
190.41.108.90	190.41.109.174	190.41.110.33	190.41.110.95
190.41.108.103	190.41.110.5	190.41.110.40	190.41.110.97
190.41.108.114	190.41.110.9	190.41.110.54	190.41.110.99
190.41.108.116	190.41.110.17	190.41.110.57	190.41.110.100

At one time it seemed every second machine in Peru was infected and spreading viruses/worms (send an email there and spam - and/or infected attachments - in return were just about inevitable). I would be prepared to believe that has been greatly improved (certainly recent experience is much better) but there seems to be some way to go yet.

Again, brought here from a PM;
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Thanks Wazoo for the answer, but I don`t have clear yet what can I do for automatic delisting... or another way for been delisted.

1) I`m sure that the infected computer is clean now.
2) Talk with Telefonica del Perù. ?
3) Only wait ? I`m waiting since yesterday 5:00pm peruvian hour. 15hrs. and still block.

Thanks for the help
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Automatic delisting occurs when the math involved with getting listed no longer exceeds the threshold. Again, that math is defined in the SpamCop FAQ, bot here and the Origina;/Official at the www.spamcop.net site .. in addition to the Wiki ...
What is the SpamCop Blocking List (SCBL)?

http://www.senderbase.org/senderbase_queri...g=190.41.108.90
Volume Statistics for this IP
Magnitude Vol Change vs. Last Month
Last day ....... 0.0 .. N/A
Last month ... 1.7

Have to gree .. numbers have definitely changed.

As in my previous post, it sure seems like someone there needs to be made aware of the DNS account records needing to be touched. I have made an assumpton that you yourself do not have the necessary acess to chnage the records involved with your needed changes.

http://www.spamcop.net/w3m?action=checkblo...p=190.41.108.90
190.41.108.90 not listed in bl.spamcop.net

Delisting has happened at the primary SpamCop.net (database) servers. Propogation delays between mirrors and any local databases that another ISP has setup will be the only things involved now.

Please post into this Forum rather than sending me PMs. There are other folks here that can help ... especially during times like the last several hours when I was off-line due to a cut fiber-optic line between my city and my ISP's concentration center 50 miles away.