向各位請教一下^^

[jones]

這2各地方都有MX的紀錄.....
singnet.com.sg
stiko.nl
但是無件都無法投遞成功......
他的訊息是這樣:
Unavaiable Delivery:Mail was rejected
Reason:451 4.1.8 Domain of sender address laura@wbh.com.tw doesn''t reslove

....是對方不接受我們的Domain嗎?

謝謝^^

[Arnor]

到 http://www.dnsstuff.com
查 Reverse DNS lookup

是這個的問題.
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[jones]

他在國家的地方顯示:SINGAPORE (high)
high是什麼意思呢??
另一各就沒有這各字了...但...還是寄不到XD

[Arnor]

[jones]

大大沒錯啦...我是查這各
下面有country
Country: SINGAPORE (high)<<我是指這各....是位置比我高所以寄不到嗎?
^^^^
Preparation:
The reverse DNS entry for an IP is found by reversing the IP, adding it to "in-addr.arpa", and looking up the PTR record.
So, the reverse DNS entry for 165.21.103.210 is found by looking up the PTR record for
210.103.21.165.in-addr.arpa.
All DNS requests start by asking the root servers, and they let us know what to do next.
See How Reverse DNS Lookups Work for more information.

How I am searching:
Asking b.root-servers.net for 210.103.21.165.in-addr.arpa PTR record:
b.root-servers.net says to go to DILL.ARIN.NET. (zone: 165.in-addr.arpa.)
Asking DILL.ARIN.NET. for 210.103.21.165.in-addr.arpa PTR record:
dill.arin.net says to go to DNSSEC1.SINGNET.COM.SG. (zone: 21.165.in-addr.arpa.)
Asking DNSSEC1.SINGNET.COM.SG. for 210.103.21.165.in-addr.arpa PTR record: Reports pop.singnet.com.sg.

Answer:
165.21.103.210 PTR record: pop.singnet.com.sg. [TTL 28800s] [A=165.21.103.210]

反查表示我找的到.....但寄不到就不知如何解決了XD

[Eddie]

[Arnor]