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slig
10y ago
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A App Engine wouldn't have a IP with a reverse DNS *.googlebot.com, would it?
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dogma1138
10y ago
· 4 in thread
Nope, but it does resolve to something .google and if you check netblocks.google.com it will appear there so they might not be limiting it to googlebot only at this point.
https://support.google.com/a/answer/60764?hl=en
slig
OP
10y ago
Yes, but if one is interested whether an IP is from Googlebot or not, they would check if it resolves to
.googlebot.com and not to
.google.
greglindahl
10y ago
I don't think that any server that random people can start a proxy on is in Google's SPF record.
dogma1138
10y ago
not on the spf list, but on google's domain/ip blocks list.
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dsl
10y ago
_netblocks.google.com includes only the servers that handle Gmail and corporate email.
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