简体中文algorithmsbook.com
Three textbooks by Mykel J. Kochenderfer and coauthors, published by the MIT Press: Algorithms for Optimization, Algorithms for Decision Making, and Algorithms for Validation. Full PDFs available free.
At a glance
- Category
- Other
- Language
- English
- Paid-content signal
- No paid content foundObserved
- Registered
- 2019
- Hosting
- Internap Holding LLCInferred
- HTTPS certificate trusted
- PassedObserved
- Last updated
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Website Overview
Limited stack disclosure and few obvious backend markers suggest a more restrained public footprint. That reduces easy fingerprinting clues but is not proof of overall security. An established domain and managed infrastructure suggest continuity of operations and may support dependable delivery, although neither guarantees service quality.
Domain and Registration
Registered in 2019, this domain has about 7 years of history. That suggests continuity, although ownership and purpose may have changed. Transfer-protection status is present, helping reduce the risk of unauthorized domain transfers. The registrar is Squarespace Domains II LLC, a widely used domain service provider. The domain uses the common .com extension, which is not an independent safety signal.
DNS and Email
The observed email authentication setup is incomplete: DMARC is missing. Nameservers are provided by greengeeks.net, indicating managed DNS hosting. MX records point to the algorithmsbook.com email service. No CNAME was found; the observed records resolve directly to addresses. TXT records include verification markers for Google. Such markers may also remain after a service stops being used.
TLS and Certificates
The certificate uses an RSA 2048-bit public key, offering broad client compatibility. The server supplied a complete certificate chain. No organization name is present in the certificate; the available fields are consistent with domain validation. The certificate was issued by Let's Encrypt, commonly associated with automated certificate services. The certificate's total validity is about 89 days, consistent with a short renewal cycle.
HTTP and Browser Security
The response lacks these common security headers: Permissions-Policy. No X-Powered-By header was found, reducing one common source of backend fingerprinting information. No obvious internal addresses or debug information were found in the headers. No explicit CDN or WAF marker was found in the response headers. No CORS permission header was found, so browsers normally restrict cross-origin script access.
Technology Stack Analysis
No obvious technology stack is exposed. This may reflect restrained information disclosure, although the underlying technologies remain unknown.
Search and Social Sharing
The meta description has 201 characters and may be shortened in search results. Twitter Card metadata is configured. The title has 16 characters, within a common display range. The observed directives allow indexing and link following. No Generator meta tag is publicly exposed.
Hosting and Email
United States
Inferred
96.127.129.50
Registration details
| Registrar | Squarespace Domains II LLC |
|---|---|
| Registered | 2019-06-11 |
| Expires | 2027-06-11 |
| Domain status | client delete prohibited、client transfer prohibited |
| Nameservers | ns1.greengeeks.com、ns2.greengeeks.com |
| DNSSEC | unsigned |
DNS records
| Type | Name | Value | TTL | Priority |
|---|---|---|---|---|
| A | algorithmsbook.com | 96.127.129.50 | 14400 | — |
| MX | algorithmsbook.com | algorithmsbook.com | 14400 | 0 |
| NS | algorithmsbook.com | ns1.greengeeks.net | 86400 | — |
| NS | algorithmsbook.com | ns2.greengeeks.net | 86400 | — |
| TXT | algorithmsbook.com | v=spf1 ip4:96.127.129.50 include:spf.greengeeks.net ip4:184.154.47.42 +a +mx +ip4:184.154.47.42 ~allgoogle-site-verification=hCmjVrBt4nwUjF5bS_ibvJ15pV9mgmgd08Q0rGPYVzM | 14400 | — |
TLS and certificates
HTTP response headers
| Header | Value |
|---|---|
| content-type | text/html |
| cache-control | public, max-age=3600 |
| strict-transport-security | max-age=31536000; includeSubDomains; preload |
| content-security-policy | upgrade-insecure-requests; |
| x-frame-options | SAMEORIGIN |
| x-content-type-options | nosniff |
| referrer-policy | strict-origin-when-cross-origin |
Identified technologies
Technology stack: Unknown
Pages, Search and Sharing
| Meta description | Three textbooks by Mykel J. Kochenderfer and coauthors, published by the MIT Press: Algorithms for Optimization, Algorithms for Decision Making, and Algorithms for Validation. Full PDFs available free. |
|---|---|
| Canonical URL | https://algorithmsbook.com/ |
| Language | English (default) |
| Twitter Card | summary_large_image |
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