Rattlesnakes By Mail

verifiable by rdns across crawlers

verifiable by rdns across 15 crawlers from 6 vendors, from 15 claims, last verified 2026-09-14.

verifiable by rdns across 15 crawlers from 6 vendors, from 15 claims, last verified 2026-09-14.

CrawlerVendorValueMethodVerifiedClaim
ApplebotAppleyesvendor_doc2026-09-13claim 12
Applebot-ExtendedApplen/avendor_doc2026-09-13claim 4
BingbotMicrosoftyesvendor_doc2026-09-14claim 124
ChatGPT-UserOpenAInot_documentedvendor_doc2026-09-13claim 22
Claude-SearchBotAnthropicnot_documentedvendor_doc2026-09-13claim 31
Claude-UserAnthropicnot_documentedvendor_doc2026-09-13claim 41
ClaudeBotAnthropicnot_documentedvendor_doc2026-09-13claim 50
Google-ExtendedGooglen/avendor_doc2026-09-13claim 58
GooglebotGoogleyesvendor_doc2026-09-13claim 66
GoogleOtherGoogleyesvendor_doc2026-09-13claim 74
GPTBotOpenAInot_documentedvendor_doc2026-09-13claim 81
OAI-AdsBotOpenAInot_documentedvendor_doc2026-09-13claim 89
OAI-SearchBotOpenAInot_documentedvendor_doc2026-09-13claim 97
Perplexity-UserPerplexitynot_documentedvendor_doc2026-09-13claim 106
PerplexityBotPerplexitynot_documentedvendor_doc2026-09-13claim 115

Not documented

Every documented crawler has a claim for this field.

Sources

Source
https://support.apple.com/en-us/119829
https://developers.openai.com/api/docs/bots
https://support.claude.com/en/articles/8896518-does-anthropic-crawl-content-from-the-web-and-how-can-site-owners-block-the-crawler
https://developers.google.com/search/docs/crawling-indexing/google-common-crawlers
https://developers.google.com/crawling/docs/crawlers-fetchers/verifying-googlebot
https://docs.perplexity.ai/docs/resources/perplexity-crawlers
https://www.bing.com/webmasters/help/how-to-verify-bingbot-3905dc26