What powers 
graenskref.is?
Last seen Mar 2026 · 23 technologies across 16 categories
Advertising
Microsoft Advertising
since Feb 2026
Analytics
Google Analytics
since Jan 2023
CDN
CMS
Databases
MySQL
since Jul 2022
Ecommerce
Font scripts
Google Font API
since Jul 2022
Twitter Emoji (Twemoji)
since Jul 2022
JavaScript libraries
Miscellaneous
RSS
since Jan 2023
Operating systems
Ubuntu
since Jul 2022
Programming languages
PHP
since Jul 2022
Tag managers
Google Tag Manager
since Jun 2025
Video players
Web servers
Webmail
Microsoft 365
since Oct 2022
WordPress plugins
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Open Page Rank
3.45 / 10 · ranked #948,543 of all domains
44 referring domains · OpenPageRank
Infrastructure
- Hosted on OPEX-ASN (178.248.16.15)
- DNS: netvistun.is
- Email: Microsoft 365
- Email security: SPF (hard fail), no DMARC record
- SSL: Let's Encrypt, ECDSA P256, expires Nov 2026
- Common Crawl link graph: rank 14,022,774, 2 hosts
- Verified with: Microsoft 365
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 Open Graph Mar 2026
- dropped RankMath SEO Mar 2026
- detected core-js Nov 2025
- detected Facebook Pixel Nov 2025