Domain report
schems.com
schems.com ranks in the top 14.73% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 3 distinct hosts observed under it.
Connectivity
- Top percentile
- 14.73%
- Hosts observed
- 3
From the Common Crawl cc-main-2026-jul-aug-sep hyperlink graph, 133,241,980 domains total. What this rank means
HTTPS reachability
https://schems.com/ answered with HTTP 200.
Certificate until 2026-12-04C=US, O=Let's Encrypt, CN=YR2
DNS records
- A
- 139.60.161.2
- AAAA
- No records found.
- MX
- 10 mx.schems.com.
- 20 b.mx.schems.com.
- NS
- a.ns.grdn.net.
- b.ns.grdn.net.
- AS
- Server in network HOSTKEY-USA, AS395839 · United States139.60.161.0/24, which holds 139.60.161.2
Live preview
This site sends "X-Frame-Options: SAMEORIGIN", which blocks embedding it here.
Since schems.com can't be embedded live, this is a captured screenshot instead — a snapshot from whenever it was last rendered, not necessarily this exact moment.
Domain registration (WHOIS / RDAP)
- Registrar
- Porkbun LLC
- Registered
- 2000-08-03
- Expires
- 2027-08-03
- Last changed
- 2026-10-09
Nameservers: A.NS.GRDN.NET, B.NS.GRDN.NET
Status: client delete prohibited, client transfer prohibited
SSL certificate
- Common name
- schems.com
- Issuer
- C=US, O=Let's Encrypt, CN=YR2
- Valid from
- 2026-09-05
- Valid until
- 2026-12-04
Matches schems.com exactly. Source: Certificate Transparency logs (crt.sh).
HTTP & security headers
Response
- Server
- cloudflare
- Content-Type
- text/html; charset=UTF-8
- Cache-Control
- no-cache, private, must-revalidate
- Content-Encoding
- Not sent
Security
- Content-Security-Policy
- Not sent
- Strict-Transport-Security
- Not sent
- X-Frame-Options
- SAMEORIGIN
- X-Content-Type-Options
- nosniff
- Referrer-Policy
- strict-origin-when-cross-origin
- Permissions-Policy
- Not sent
Redirect chain
- 1.
http://schems.com/HTTP 301→ https://schems.com/
- 2.
https://schems.com/HTTP 200
Meta tags
- Title
- Schems.com — Free Schematic Diagrams for Audio & Electronics
- Description
- Browse thousands of free schematic diagrams and service manuals for vintage and modern audio equipment, amplifiers, receivers, tuners, and electronics from 859 brands.
- Canonical
- https://schems.com/
- Robots
- index,follow,max-image-preview:large,max-snippet:-1,max-video-preview:-1
- Generator
- Not set
- Open Graph title
- Schems.com — Free Schematic Diagrams
- Open Graph description
- Browse thousands of free schematic diagrams and service manuals for vintage and modern audio equipment, amplifiers, receivers, tuners, and electronics from 859 brands.
- Open Graph image
- Not set
- Open Graph type
- website
- Twitter card
- summary
- Twitter title
- Schems.com — Free Schematic Diagrams
- Twitter image
- Not set
robots.txt
- Disallow rules (User-agent: *)
- 7
- Disallow rules (other agents)
- 17
Sitemap declared:
https://schems.com/sitemap.xml
Technology detected
Best-effort, based on a small set of well-known signals — this may be incomplete.
- Cloudflarecdn
Server: cloudflare
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Similar connectivity
Domains ranked just above and below it in the same snapshot.