What powers publishernewsletters.com?
Last seen Aug 2026 · 20 technologies across 10 categories
Analytics
Google Analytics
since Jul 2025
CDN
JavaScript libraries
Maps
Google Maps
since Jul 2025
Marketing automation
MailChimp
since Jun 2023
Miscellaneous
Open Graph
since Jun 2023
PaaS
Amazon Web Services
since Jun 2023
Security
UI frameworks
Web servers
Nginx
since Jul 2025
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Open Page Rank
1.86 / 10 · ranked #4,016,770 of all domains
17 referring domains · OpenPageRank
Infrastructure
- Hosted on Amazon Web Services (52.50.20.0)
- DNS: krystal.uk
- Email: krystal.uk
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, RSA 4096, expires Dec 2026
- Common Crawl link graph: rank 7,112,616
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Google Font API Aug 2026
- dropped HTTP/3 Aug 2026
- dropped Jetpack Aug 2026
- dropped jQuery Migrate Aug 2026
- dropped LiteSpeed Aug 2026
- dropped Litespeed Cache Aug 2026
- dropped MySQL Aug 2026
- dropped PHP Aug 2026
- dropped Priority Hints Aug 2026
- dropped Really Simple SSL & Security Aug 2026
- dropped RSS Aug 2026
- dropped Slick Aug 2026
- dropped WordPress Aug 2026
- dropped WordPress Block Editor Aug 2026
- dropped Yoast SEO Aug 2026