What is postmarkapp.com built with?
Website tech stack, hosting, DNS, SSL, registrar, creator clues, and brand signals for postmarkapp.com.
postmarkapp.com
Scanned 6/21/2026, 5:18:43 AM
What WhosBuilt found
- Builder
- Postmark
- Stack
- Cloudflare, Tailwind CSS, Google Analytics
- Hosting/CDN
- AWS Route 53, Cloudflare
- Domain Rating
- DR 84/100
- Brand/contact
- contact, social, visual assets, fonts
- Pages
- 120 sitemap URLs, 40 internal links
Lookup results
Hosting & Infrastructure
Domain Rating
84
Backlink profile strength on Ahrefs' 100-point logarithmic scale.
Creator / Maker
- Copyright
- ActiveCampaign, LLC, 2026
- Organization (JSON-LD)
- Postmark
Wikipedia
Postmark
Mark of the date/time that mail enters postal service custody
A postmark is a postal marking made on an envelope, parcel, postcard or the like, indicating the place, date and time that the item was delivered into the care of a postal service, or sometimes indicating where and when received or in transit. Modern postmarks are often applied simultaneously with the cancellation or killer that marks postage stamps as having been used. Sometimes a postmark alone is used to cancel stamps, and the two terms are often used interchangeably. Postmarks may be applied…
Read more on Wikipedia