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visualstudio.dev 200
🔒 SSL Valid
HTTP Status A three-digit code showing if the site loaded successfully (200), redirects (301/302), or has errors (4xx/5xx).Read more →
200
SSL Expires When the SSL certificate expires. An expired certificate causes browser security warnings.Read more →
in 55d
Domain Expires When the domain registration expires. If not renewed, the domain becomes available to others.Read more →
in 90d
Hosting The company and location where this website's server is physically located.Read more →
Azure
Security Score based on key HTTP security headers: HSTS, Content-Security-Policy, and X-Frame-Options.Read more →
3/3
IP Address The numerical address of the server hosting this website. Reveals location, provider, and network.Read more →
20.231.239.246
Performance Lighthouse performance score from Google PageSpeed Insights (0–100). Measures real-world loading speed, interactivity and visual stability.
N/A
Uptime
100%
Performance Lighthouse performance score from Google PageSpeed Insights (0–100). Measures real-world loading speed, interactivity and visual stability.
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Performance data not available yet.
Tech Stack Technologies detected on this website: CMS, frameworks, libraries, CDN, and analytics tools.
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No technologies detected
Screenshot
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Screenshot not available yet.
DNS Records DNS translates domain names to IP addresses. Records control where the site, email, and services are directed.Read more →
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| A (IPv4) | 20.112.250.13320.236.44.16220.231.239.24620.76.201.17120.70.246.20 |
| NS | ns1-01.azure-dns.comns2-01.azure-dns.netns3-01.azure-dns.orgns4-01.azure-dns.info |
| TXT (1) |
+1 other TXT record(s)
Show all TXT recordsv=DMARC1; p=reject; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1 |
WHOIS / RDAP Public registration data: who registered the domain, when, and when it expires.Read more →
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| Registrar | Nom-IQ Limited dba Com Laude |
| Registered | 2019-01-16 |
| Expires | 2027-01-16 (in 90 days) |
| Last Updated | 2025-12-22 |
| Status | client delete prohibitedclient transfer prohibitedclient update prohibited |
SSL Certificate Encrypts the connection between browsers and this website. Valid SSL = HTTPS works.Read more → Valid
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| Subject (CN) | csharp.net |
| Issuer | Microsoft Corporation |
| Valid From | 2026-09-03 |
| Valid Until | 2026-12-12 (55 days left) |
| SANs (206) | csharp.netlobe.ailuis.aiau.luis.aieu.luis.aipbiwiki.commicrosoft.demsturing.orgtelcobyte.orgdynamics365.deeduinsights.mspandoralabs.ptprint.azure.uswww.csharp.netcustomsearch.aidev.windows.compreview.luis.aivideoindexer.aiazureplayfab.comprevious.luis.ai +186 more |
HTTP Headers Metadata sent by the server: reveals software, caching rules, and security configuration.Read more →
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| Status | 200 |
| Server | nginx |
| Content-Type | text/html; charset=UTF-8 |
| Final URL | https://visualstudio.microsoft.com/ |
| x-powered-by | WP Engine |
| strict-transport-security | max-age=15768000 ; includeSubDomains ; preload |
| content-security-policy | script-src 'self' 'unsafe-inline' 'unsafe-eval' https: |
| x-frame-options | SAMEORIGIN |
| x-content-type-options | nosniff |
| referrer-policy | no-referrer-when-downgrade |
| cache-control | must-revalidate, max-age=600 |
Security headers HTTP headers that protect visitors from attacks. HSTS forces HTTPS, CSP controls resource loading, X-Frame-Options prevents clickjacking.Read more →
Hosting Physical infrastructure: where the server is, who operates it, and what network it belongs to.Read more →
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| IP Address | 20.231.239.246 |
| Provider | Azure |
| Organization | Microsoft Corporation |
| ASN | AS8075 |
| Location | Dulles Town Center, Virginia, US |
| Coordinates | 39.0376, -77.4158 |
Security Score
A (6/7)
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Sitemap & Robots
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No robots.txt
This site has no robots.txt file, so crawlers may access everything by default.
| Sitemap | Not found |
Social & Meta Tags
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No meta tags detected.
Mail Security Email authentication records (SPF & DMARC) that prevent spoofing and phishing from this domain.Read more →
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| SPF | Not set |
| DMARC | ✓ Present v=DMARC1; p=reject; rua=mailto:[email protected];ruf=mailto:[email protected];fo=1:s:d |
Other TLDs Other top-level domain variants of this domain name and their availability. 19 active 2 for sale 2 available
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Uptime Monitor
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| Current Status | 🟢 Online |
| HTTP Status | 200 |
| Response Time | 243ms |
| Last Checked | 2026-10-17 19:15:29.134994 |
| Uptime (30d) | 100% |