Gmail blacklisted by Spamhaus

Update: Gmail not blacklisted anymore.

It seems that today Spamhaus (a widely used Spam blacklist) started to blacklist the IP addresses used by gmail. We got this notification via our blacklist monitor:

< OK: Host www.gmail.com clean.

> WARN: http://www.spamhaus.org/query/bl?ip=74.125.227.21
> WARN: Host www.gmail.com blacklisted.

Digging further:

$ host gmail.com
gmail.com has address 74.125.227.24
gmail.com has address 74.125.227.21
gmail.com has address 74.125.227.22
gmail.com has address 74.125.227.23


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