Domain report
altera.com
altera.com ranks in the top 0.021% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 33 distinct hosts observed under it.
Connectivity
- Top percentile
- 0.021%
- Hosts observed
- 33
From the Common Crawl cc-main-2026-jul-aug-sep hyperlink graph, 133,241,980 domains total. What this rank means
HTTPS reachability
https://altera.com/ answered with HTTP 403.
DNS records
- A
- 35.164.115.237
- AAAA
- No records found.
- MX
- 10 altera-com.mail.protection.outlook.com.
- NS
- ns1-04.azure-dns.com.
- ns2-04.azure-dns.net.
- ns3-04.azure-dns.org.
- ns4-04.azure-dns.info.
- AS
- Server in network AMAZON-02, AS16509 · United States35.164.115.0/24, which holds 35.164.115.237
Live preview
This site sends "X-Frame-Options: SAMEORIGIN", which blocks embedding it here.
Since altera.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
- MarkMonitor Inc.
- Registered
- 1992-03-16
- Expires
- 2027-03-17
- Last changed
- 2026-10-12
Nameservers: NS1-04.AZURE-DNS.COM, NS2-04.AZURE-DNS.NET, NS3-04.AZURE-DNS.ORG, NS4-04.AZURE-DNS.INFO
Status: client delete prohibited, client transfer prohibited, client update prohibited, server delete prohibited, server transfer prohibited, server update prohibited
SSL certificate
Certificate Transparency lookup failed (HTTP 502).
HTTP & security headers
Response
- Server
- cloudflare
- Content-Type
- text/html
- Cache-Control
- max-age=60
- Content-Encoding
- Not sent
Security
- Content-Security-Policy
- Not sent
- Strict-Transport-Security
- max-age=31536000 ; includeSubDomains ; preload
- X-Frame-Options
- SAMEORIGIN
- X-Content-Type-Options
- Not sent
- Referrer-Policy
- strict-origin-when-cross-origin
- Permissions-Policy
- Not sent
Redirect chain
- 1.
http://altera.com/HTTP 301→ https://altera.com/
- 2.
https://altera.com/HTTP 301→ https://www.altera.com/
- 3.
https://www.altera.com/HTTP 403
Meta tags
- Title
- Access Denied
- Description
- Not set
- Canonical
- Not set
- Robots
- Not set
- Generator
- Not set
- Open Graph title
- Not set
- Open Graph description
- Not set
- Open Graph image
- Not set
- Open Graph type
- Not set
- Twitter card
- Not set
- Twitter title
- Not set
- Twitter image
- Not set
robots.txt
robots.txt request failed (HTTP 403).
Technology detected
Best-effort, based on a small set of well-known signals — this may be incomplete.
- Cloudflarecdn
Server: cloudflare
Related domains
Similar connectivity
Domains ranked just above and below it in the same snapshot.