captcha.eu Documentation - Invisible Bot Protection for Websites
docs.captcha.eu

Last Fetched

Thu, 01 Jan 2026 10:05:46 GMT

captcha.eu Documentation - Invisible Bot Protection for Websites

Description

Official documentation for captcha.eu - GDPR-compliant, invisible bot protection without puzzles. Integration guides, API references, and troubleshooting.

Server

Caddy

Webserver

Domain: docs.captcha.eu
IPv6 Support: Not Supported
Provider Domain: mediaprint.at
Provider Country: Austria
Provider ASN: 199083
Is EU Provider: EU-based
IP Address: 156.58.253.17

Incoming Mailserver

The results below show information for captcha.eu as no results have been detected for docs.captcha.eu

Provider Domain: microsoft.com
Provider Country: United States of America
Provider ASN: 8075
Is EU Provider: Not EU-based
Lookups: captcha-eu.mail.protection.outlook.com52.101.73.15
captcha-eu.mail.protection.outlook.com52.101.68.21

Outgoing Mailserver

The results below show information for captcha.eu as no results have been detected for docs.captcha.eu

Provider Domain: sendgrid.com
Provider Country: United States of America
Provider ASN: 11377
Is EU Provider: Not EU-based
Lookups: sendgrid.netab.sendgrid.net223.165.113.128
sendgrid.netab.sendgrid.net223.165.115.128
Provider Domain: amazon.com
Provider Country: United States of America
Provider ASN: 16509
Is EU Provider: Not EU-based
Lookups: amazonses.com199.255.194.0
amazonses.com199.127.234.0
Provider Domain: amazon.com
Provider Country: United States of America
Provider ASN: 14618
Is EU Provider: Not EU-based
Lookups: amazonses.com54.240.32.0
amazonses.com23.249.216.0
Provider Domain: microsoft.com
Provider Country: United States of America
Provider ASN: 8075
Is EU Provider: Not EU-based
Lookups: spf.protection.outlook.com2a01:0111:f400:8000:0000:0000:0000:0000
spf.protection.outlook.com2a01:0111:f403:4000:0000:0000:0000:0000
Provider Domain: mediaprint.at
Provider Country: Austria
Provider ASN: 199083
Is EU Provider: EU-based
Lookups: 156.58.128.0
Provider Domain: nextlayer.at
Provider Country: Austria
Provider ASN: 1764
Is EU Provider: EU-based
Lookups: 195.2.200.132
195.2.200.153

Nameservers

The results below show information for captcha.eu as no results have been detected for docs.captcha.eu

Nameservers: ns-1667.awsdns-16.co.uk
ns-237.awsdns-29.com
IPv6 Support: Supported
Provider Domain: amazon.com
Provider Country: United States of America
Provider ASN: 16509
Is EU Provider: Not EU-based
Lookups: ns-1667.awsdns-16.co.uk205.251.198.131
ns-1667.awsdns-16.co.uk2600:9000:5306:8300::1

Website Information

captcha.eu Documentation - Invisible Bot Protection for Websites