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We currently have primary and secondary DNS servers on our corporate network. They are setup in a master/slave type setup, where the slave gets its DNS information from the master.
I'm trying to figure out what the real advantage is for the master/slave setup instead of just setting up an automated…
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Does anyone know if it is possible for a windows 2003 DNS server to update the records for a domain so that it contains all the records of a domain of of a remotely based DNS server?
Im almost certain that doesn't quite explain the problem so I shall illustrate with an example:
We have two offices…
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I've finally noodled with OpenVPN enough to get it working. Even better, I can mount samba drives, ping network machines through the TUN device, etc - it's all great.
However, I'm noticing that if I have the directive:
push "dhcp-option DNS 10.0.1.1" # Push our local DNS to clients
Then some of…
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Within our office, we have a local server running DNS, for internal related "domains", (e.g. .internal, .office, .lan, .vpn, etc.). Randomly, only the hosts configured with those extensions will stop resolving on the Windows-based workstations. Sometimes it'll work for a couple weeks without issue…
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A DNS or Domain Name System lets you locate computers on a network or the Internet TCP/IP network by domain name. The DNS server sustains a database of domain names or host names along with their cor... [Author: Daisy Osbaldo - Computers and Internet - April 02, 2010]
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Does anyone know of any studies done to show how much email will be rejected if there is not ptr record for the SMTP banner name of an email server?
Are reverse checks always done when enabled, or is it sometimes configured so if an spam program considers an email 'iffy', the reverse check is done?
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I have a strange issue, I have a DHCP and DNS server running in a non AD environment, on Windows 2003 server. I setup DHCP to update DNS A and PTR records even if the client doesnt request it, but I only see PTR records updated, the A records are not created at all. The domain is "local" forward zone…
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I have not yet experienced any DNS failures due to a missing PTR record, but am wondering:
Is there any added value in having a valid PTR record on a nameserver IP-address?
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When I look at the TTL (Time to Live) for PTR records (Reverse Lookup Zone) on one of our Windows 2003 DNS servers I see some are at 15 minutes, others are at 20. They have "Delete this record when it becomes stale" checked.
These PTR records are for workstations that get IPs from Windows DHCP…
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This has been plaguing me for weeks. It's something really simple, I know it. Every time I print a singly linked list, it prints an address at the end of the list.
#include <iostream>
using namespace std;
struct node
{
int info;
node *link;
};
node *before(node *head);
node *after(node…
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