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Gridlode
Rank #3,681Updated November 10, 2026

coolors.co

Coolors - The super fast color palettes generator!

The site runs on Google AdSense, Hotjar, Universal Analytics and 9 other technologies. Its email security grade is C. Its SSL certificate is issued by Google Trust Services and is valid for 69 more days.

Domain age
—
Technologies
12
Email security
C
SSL days left
69

DNS records

TypeValueTTL
A104.20.46.243300
A172.66.147.158300
MXcoolors-co.mail.protection.outlook.com 0300
NSajay.ns.cloudflare.com86400
NSgina.ns.cloudflare.com86400
TXTHj85^&er120
TXTMS=ms49897284120
TXTgoogle-site-verification=3qRcCpQk5u5UIIqrM7equi9Rq-nhKav0JCcIsJg3KBE120
TXTgoogle-site-verification=7dG9ghQuZ4Lrm-a1ZOxLgUdC3yMWabeF7VIPFynLo8A120
TXTgoogle-site-verification=Y2xdcIi6BYXPx9zmx-cJOIULYvXlk5sDOMOfQ6-TDVM120
TXTv=spf1 include:spf.mailjet.com include:mail.zendesk.com include:spf.protection.outlook.com ~all120
AAAA2606:4700:10::ac42:939e149
AAAA2606:4700:10::6814:2ef3149

Technology stack

Analytics and advertising IDs

google_analytics:UA-55765189-1google_adsense:ca-pub-5892419990147516hotjar:340578

SSL certificate

ValidValid
IssuerUS, WE1, Google Trust Services
ExpiresJanuary 18, 2027
Days remaining69
ProtocolTLSv1.3
Namescoolors.co, *.coolors.co

Email security

CScore 71/100 across SPF, DMARC, DKIM, MTA-STS and BIMI.
  • warnDMARC has no rua= address, so you receive no reports about mail sent as your domain.
  • 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 marked as suspicious (soft fail).
  • goodDMARC policy is quarantine: failing mail goes to spam. Move to p=reject for full protection.
  • goodDKIM keys found (selector: s1, s2).
  • good1 MX record(s) found. Mail is handled by Microsoft 365.

Homepage metadata

TitleCoolors - The super fast color palettes generator!
DescriptionGenerate or browse beautiful color combinations for your designs.
Languageen
IndexableYes
Word count1980

About coolors.co

What technology does coolors.co use?

We detected 12 technologies on coolors.co, including Google AdSense, Hotjar, Universal Analytics, Google Identity Services, Cloudflare, Cloudinary.

Does coolors.co protect its email with SPF and DMARC?

coolors.co scores 71/100 (grade C) for email security. DMARC has no rua= address, so you receive no reports about mail sent as your domain. No MTA-STS: mail sent to you can be downgraded to an unencrypted connection.

What are the name servers of coolors.co?

coolors.co uses ajay.ns.cloudflare.com, gina.ns.cloudflare.com.