>Server hotmail.com yang memblock koneksi dari IP, karena pakai 
>multi PTR record sehingga diragukan >validitasnya.


>Multiple pointer records

>While most rDNS entries only have one PTR record, DNS does not restrict the 
>number. Multiple PTR records are used, >for example, when a web server 
>supports many virtual hosts— i.e. multiple hostnames then resolve to a single 
>>address, and multiple hostnames will be returned for a PTR lookup for that 
>shared address. However, DNS lookups >typically occur over UDP, and since UDP 
>has a limited message size, in extreme cases, multiple PTRs could cause a >DNS 
>response to exceed those UDP limits.

>$ host
> domain name pointer mail.ciputrahospital.com.
> domain name pointer mail.ciputra.co.id.

>Perbaiki PTR recordnya menjadi satu saja.

> domain name pointer mail.ciputra.co.id

>dan di domain manager ciputrahospital.com di set smtp hostname = 


>setelah itu request delist ke hotmail.com melalui webform berikut


> [963834] *  DNS: 10 second wait for DNS response exceeded (DNS Server: 

>Adjust idle time out untuk DNS query karena terlalu singkat, naikkan 6 kalinya.


>Wait 60 seconds for MX responses
>Wait 60 seconds for A/AAAA responses

Dear Pak Syafril,

Noted pak, akan saya coba.
Terima kasih atas informasi dan bantuannya.

Best Regards,

Teguh Sebastian
MIS Department
PT. Ciputra Development .Tbk
Ciputra World 1, DBS Bank Tower 39th Floor 
Jl. Prof. DR. Satrio, Kav. 3-5
(021) 2988 5858 / 6868 / 7878

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