What powers sernis.com?
Last seen Sep 2026 · 27 technologies across 12 categories
Analytics
CDN
Font scripts
JavaScript libraries
Maps
Miscellaneous
Programming languages
Security
Tag managers
Video players
Webmail
Widgets
AI Crawlers
Blocks 13 of 33 AI crawlers we track by name in its robots.txt. Checked Oct 2026.
Training crawlers
- Applebot-Extended Blocked
- Bytespider Blocked
- CCBot Blocked
- ClaudeBot Blocked
- cohere-training-data-crawler Blocked
- Diffbot Blocked
- Google-CloudVertexBot Blocked
- Google-Extended Blocked
- GoogleOther Blocked
- GPTBot Blocked
- meta-externalagent Blocked
Search and AI assistants
- Amazonbot Blocked
- PetalBot Blocked
The other 20 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
Content Signals:
search=yes ai-train=no declared in robots.txt
- Oct 2026 ccbot added to robots.txt
- Oct 2026 claude-web added to robots.txt
- Oct 2026 claudebot added to robots.txt
- Oct 2026 bytespider added to robots.txt
- Oct 2026 Content Signals changed
- Oct 2026 amazonbot added to robots.txt
AI Crawlers
13 of 33 AI crawlers blocked
Standards: Content Signals
Open Page Rank
1.04 / 10 · ranked #11,867,623 of all domains
6 referring domains · OpenPageRank
Infrastructure
- Hosted on Cloudflare (104.21.22.180, IPv6)
- DNS: Cloudflare DNS
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC reject
- SSL: Let's Encrypt, ECDSA P256, wildcard, expires Jan 2027
- Common Crawl link graph: rank 17,411,133, 2 hosts
- Verified with: GlobalSign, Google, Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Nginx Jun 2026
- dropped OVHcloud Jun 2026
- detected Cloudflare Browser Insights May 2026
- detected HTTP/3 May 2026
- detected Microsoft Clarity May 2026
- dropped OpenResty Mar 2026
- detected OpenResty Jan 2026