DNS query tool which make querying sub-domain, site or IP easy
RapidDNS.io
RapidDNS.io
Cisco ASA 55XX with Dual ISP Redundancy This article will cover setting up redundant ISPs for outbound connectivity on an ASA 5510 (although the same should work on the 5520s and up as well). It’s important to note that this covers outbound connectivity only. The ASA does not have built in functionality to NAT multiple public IPs to a single internal IP – for that you’d need a router (how-to article soon!). For an ASA to provide inbound redundancy to your servers you’d need to utilize two separate IPs for each server – one to be NAT’d to each public IP block. The information you’ll need to complete this task: · Primary ISP Subnet / Gateway · Secondary ISP Subnet / Gateway · A Public host to ping (i.e. 4.2.2.1) The Public host to ping is a device (read: cluster of devices) th...
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