I am currently in the process of migrating thousands of domains from my corporate old name servers to our new ones, it is a simple process scripting wise however the odd random few have already been migrated and so there is some clearing up to do as it wasn’t documented properly… (Woops!)
For this reason I whipped together another script which will check the nameservers of the domains in a CSV and tell me if they are on the old or new server. Some customers change their nameservers without telling us as well so I added in a fall back clause for that as well.
Please Note: The purpose of this is very specific, you enter your old and new nameservers and if it doesn’t match it will throw up “Investigate” line. The output is in the format for a CSV file which is beneficial to me for Excel formatting.
The GitHub download link: https://github.com/aaronhatton/Domain-Nameserver-Checker
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