Rattlesnakes By Mail

Claim 58

Google does not publish a reverse-DNS verification method for Google-Extended.

entity
Google-Extended
field
verifiable_by_rdns
value
n/a
statement
Google does not publish a reverse-DNS verification method for Google-Extended.
evidence_url
https://developers.google.com/search/docs/crawling-indexing/google-common-crawlers
evidence_quote
"Google-Extended doesn't have a separate HTTP request user agent string." source dated 2026-07-14
method
vendor_doc
verified_at
2026-09-13
confidence
n/a
status
current
supersedes
none

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