IP = 209.51.188.20
robots.txt# robots.txt for https://ftp.gnu.org/
User-agent: *
Crawl-delay: 60
Disallow: /norobotsnorhumansshouldevervisithispage/
Allow: /
# Majestic - SEO
User-agent: MJ12bot
Disallow: /
# DataForSeo - SEO
User-agent: DataForSeoBot
Disallow: /
# webmeup - SEO
User-agent: BLEXBot
Disallow: /
# Ahrefs - SEO
User-agent: AhrefsBot
Disallow: /
# babbar - SEO
User-agent: barkrowler
Disallow: /
# Screamingfrog - SEO
User-agent: Screaming Frog SEO Spider
Disallow: /
# Seozoom - SEO
User-Agent: ZoomBot
Disallow: /
# Brandwatch - SEO
User-agent: magpie-crawler
Disallow: /
# Begin Moz - SEO
# Not to be confused with Mozilla.
User-agent: DotBot
Disallow: /
User-agent: rogerbot
Disallow: /
# End Moz - SEO
# Begin Semrush - SEO
User-agent: SemrushBot
Disallow: /
User-agent: SiteAuditBot
Disallow: /
User-agent: SemrushBot-BA
Disallow: /
User-agent: SemrushBot-SI
Disallow: /
User-agent: SemrushBot-SWA
Disallow: /
User-agent: SplitSignalBot
Disallow: /
User-agent: SemrushBot-OCOB
Disallow: /
# End Semrush - SEO
# cognitiveSEO - SEO
User-agent: JamesBOT
Disallow: /
# oncrawl - SEO
User-agent: Oncrawl
Disallow: /
# BEGIN Awario - Marketing
User-agent: AwarioRssBot
Disallow: /
User-agent: AwarioSmartBot
Disallow: /
User-agent: AwarioBot
Disallow: /
# END Awario - Marketing
# SERPSTAT - SEO
User-agent: serpstatbot
Disallow: /
# website-datenbank.de - Search engine?
User-agent: netEstate NE Crawler
Disallow: /
# Ignores crawl-delay and does not help us.
User-Agent: panscient.com
Disallow: /
# Aggressive Latvian Academic Integrity bot that does not help us.
User-agent: AcademicBotRTU
Disallow: /
# Timpi NFT
User-Agent: Timpibot
Disallow: /
Look up this url in the url tool
https://ftp.gnu.org/.well-known/acme-challenge: 404 text/html; charset=iso-8859-1
https://ftp.gnu.org/.well-known/csvm: 404 text/html; charset=iso-8859-1
https://ftp.gnu.org/.well-known/nostr.json: 404 text/html; charset=iso-8859-1
https://ftp.gnu.org/.well-known/security.txt: 404 text/html; charset=iso-8859-1
https://ftp.gnu.org/.well-known/traffic-advice: 404 text/html; charset=iso-8859-1