Threat Level: green Handler on Duty: Johannes Ullrich

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ISC and IPv6
I setup IPv6 (6rd) on my AT&T DSL connection a few days ago. I found the IPvFox extension for firefox that tells me which ip version I am using to connect to a website. I came to isc.sans.edu and I was surprised to see both IPv6 and IPv4 addresses:
https://isc.sans.edu 2607:f1c0:846:9100::15c
https://www.sans.org 66.35.59.202

Did someone forget to create a AAAA record for www.sans.org?
Anonymous

sans.org isn't accessible via IPv6 yet. Only isc.sans.edu is connected to IPv6 at this point. Anonymous

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ISC Handler

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