简体中文
adventofcode.com
At a glance
- Category
- Games & Board Games
- Language
- English
- Paid-content signal
- No paid content foundObserved
- Registered
- 2015
- Hosting
- Amazon.com, Inc.Inferred
- HTTPS certificate trusted
- PassedObserved
- Last updated
Related questions
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Website Overview
An established domain and managed infrastructure suggest continuity of operations and may support dependable delivery, although neither guarantees service quality. Several search or sharing settings need attention. Together they may make snippets, preview images or preferred URLs less consistent across platforms.
Domain and Registration
Registered in 2015, this domain has about 11 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 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. The lowest TTL is 60 seconds, supporting rapid record changes at the cost of more frequent lookups. Nameservers are provided by Amazon Route 53, indicating managed DNS hosting. MX records point to the Google Workspace email service. No CNAME was found; the observed records resolve directly to addresses.
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 within the Amazon cloud or CDN ecosystem. The certificate is valid for about 197 days in total, with 120 days remaining.
HTTP and Browser Security
The response lacks these common security headers: CSP, X-Content-Type-Options, Referrer-Policy, Permissions-Policy, clickjacking protection. 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. The Server header identifies Apache without an exact version. No explicit CDN or WAF marker was found in the response headers.
Technology Stack Analysis
The public page identifies Google Analytics, Apache without precise versions, leaving fewer clues for version-specific scanning.
Search and Social Sharing
No homepage meta description was detected, leaving snippet selection more dependent on page text. No viewport meta tag was detected, which may affect mobile layout behavior. No homepage canonical URL was detected. If duplicate URLs exist, consolidation may be less explicit. No Open Graph metadata was detected, so social previews may depend on platform inference. The title has 19 characters, within a common display range.
Hosting and Email
Amazon Route 53
Google Workspace
Ashburn, Virginia, United States
Inferred
18.211.168.28
Registration details
| Registrar | Amazon Registrar, Inc. |
|---|---|
| Registered | 2015-10-21 |
| Expires | 2027-10-21 |
| Domain status | client transfer prohibited |
| Nameservers | ns-1224.awsdns-25.org、ns-1639.awsdns-12.co.uk、ns-218.awsdns-27.com、ns-784.awsdns-34.net |
| DNSSEC | unsigned |
DNS records
| Type | Name | Value | TTL | Priority |
|---|---|---|---|---|
| A | adventofcode.com | 18.211.168.28 | 60 | — |
| A | adventofcode.com | 18.235.239.185 | 60 | — |
| MX | adventofcode.com | aspmx.l.google.com | 300 | 1 |
| MX | adventofcode.com | alt1.aspmx.l.google.com | 300 | 5 |
| MX | adventofcode.com | alt2.aspmx.l.google.com | 300 | 5 |
| MX | adventofcode.com | alt3.aspmx.l.google.com | 300 | 10 |
| MX | adventofcode.com | alt4.aspmx.l.google.com | 300 | 10 |
| NS | adventofcode.com | ns-1224.awsdns-25.org | 172800 | — |
| NS | adventofcode.com | ns-1639.awsdns-12.co.uk | 172800 | — |
| NS | adventofcode.com | ns-218.awsdns-27.com | 172800 | — |
| NS | adventofcode.com | ns-784.awsdns-34.net | 172800 | — |
| TXT | adventofcode.com | google-site-verification=RJGYnnqDnB6LabX1RR8Ppej3EY43mqp81mzpK7LJEjM | 300 | — |
| TXT | adventofcode.com | google-site-verification=nnihjRJnNchIrA4PzKdgLDCzYyL6Vy1nhtfh8b3HTRc | 300 | — |
| TXT | adventofcode.com | v=spf1 include:_spf.google.com ~all | 300 | — |
TLS and certificates
HTTP response headers
| Header | Value |
|---|---|
| content-type | text/html |
| server | Apache |
| strict-transport-security | max-age=300 |
Identified technologies
Pages, Search and Sharing
| Meta description | Not detected |
|---|---|
| Canonical URL | Not detected |
| Language | English (default) |
| Twitter Card | Not detected |
Unknown
robots.txt (opens in a new tab)
HTTP 404No robots.txt found
Sitemaps
0No sitemaps found
Recent Updates
- Website images
- Screenshots
- Website Technologies
- Pages and Search Information
User reviews (0)