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Gridlode
Rank #9,387Updated November 10, 2026

cyberduck.io

Cyberduck | Libre server and cloud storage browser for Mac and Windows with support for FTP, SFTP, WebDAV, Amazon S3, OpenStack Swift, Backblaze B2, Microsoft Azure & OneDrive, Google Drive and Dropbox

The site runs on Google AdSense, cdnjs, jQuery and 3 other technologies. Its email security grade is C. Its SSL certificate is issued by Let's Encrypt and is valid for 49 more days.

Domain age
—
Technologies
6
Email security
C
SSL days left
49

DNS records

TypeValueTTL
A52.31.8.2313600
MXmail.cyberduck.io 586399
NSns-1195.awsdns-21.org172800
NSns-1832.awsdns-37.co.uk172800
NSns-42.awsdns-05.com172800
NSns-973.awsdns-57.net172800
TXTMS=ms597628143599
TXTv=spf1 mx include:amazonses.com -all3599

Technology stack

Advertising
JavaScript library
Security
UI framework

Analytics and advertising IDs

google_adsense:ca-pub-9176652804694766

SSL certificate

ValidValid
IssuerUS, YR1, Let's Encrypt
ExpiresDecember 30, 2026
Days remaining49
ProtocolTLSv1.3
Namescyberduck.io

Email security

CScore 76/100 across SPF, DMARC, DKIM, MTA-STS and BIMI.
  • warnDMARC has no rua= address, so you receive no reports about mail sent as your domain.
  • warnDKIM key found (selector: default) but it is only 1024 bits; 2048 is recommended.
  • warnNo MTA-STS: mail sent to you can be downgraded to an unencrypted connection.
  • warnNo TLS-RPT record, so you won't hear about failed encrypted deliveries.
  • warnNo BIMI record (optional: shows your logo next to your emails in supporting inboxes).
  • goodSPF record found.
  • goodSPF ends with -all: servers you have not listed are rejected (hard fail).
  • goodDMARC policy is reject: mail that fails authentication is blocked.
  • good1 MX record(s) found.

Homepage metadata

TitleCyberduck | Libre server and cloud storage browser for Mac and Windows with support for FTP, SFTP, WebDAV, Amazon S3, OpenStack Swift, Backblaze B2, Microsoft Azure & OneDrive, Google Drive and Dropbox
Languageen
IndexableYes
Word count1046

About cyberduck.io

What technology does cyberduck.io use?

We detected 6 technologies on cyberduck.io, including Google AdSense, cdnjs, jQuery, HSTS, Bootstrap, Apache HTTP Server.

Does cyberduck.io protect its email with SPF and DMARC?

cyberduck.io scores 76/100 (grade C) for email security. DMARC has no rua= address, so you receive no reports about mail sent as your domain. DKIM key found (selector: default) but it is only 1024 bits; 2048 is recommended.

What are the name servers of cyberduck.io?

cyberduck.io uses ns-1195.awsdns-21.org, ns-1832.awsdns-37.co.uk, ns-42.awsdns-05.com, ns-973.awsdns-57.net.