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CloseDeveloper reply by Andrew Van Tassel
Rated 5 out of 5 stars
Sorry missed somehow that IPv6 works...
This review is for a previous version of the add-on (4.1.1).IPV6 hosts are looked up, do you have an example?
https://www.mailhops.com/whois/2607:f8b0:400f:800::200e
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