🌐
sourceforge.io 403
🔒 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 →
403
SSL Expires When the SSL certificate expires. An expired certificate causes browser security warnings.Read more →
in 22d
Domain Expires When the domain registration expires. If not renewed, the domain becomes available to others.Read more →
N/A
Hosting The company and location where this website's server is physically located.Read more →
Cloudflare
Security Score based on key HTTP security headers: HSTS, Content-Security-Policy, and X-Frame-Options.Read more →
2/3
IP Address The numerical address of the server hosting this website. Reveals location, provider, and network.Read more →
104.18.10.31
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) | 104.18.11.31104.18.10.31 |
| NS | ns11.constellix.comns21.constellix.comns31.constellix.comns41.constellix.netns51.constellix.netns61.constellix.net |
| MX | 10 alt4.aspmx.l.google.com1 aspmx.l.google.com5 alt1.aspmx.l.google.com5 alt2.aspmx.l.google.com10 alt3.aspmx.l.google.com |
| TXT (7) |
Services configured via TXT:
Google3
Microsoft 365
Tollbit
+1 other TXT record(s)
Show all TXT recordsMS=ms23597098 bw=I8rX/v8khEjS/avbErWKCdPX5uo94GMU5H/0KfyfoQ4+ tollbit-domain-verification=28a0f41200da030331b575c81b582ac6feca635d1a428a5c231b6a86064dcef7 v=spf1 include:servers.mcsv.net include:_spf.google.com include:sparkpostmail.com include:intuit.slashdotmedia.com ip4:216.105.42.92 ip4:216.34.181.0/24 ip4:76.251.79.34 ip4:216.105.38.6 -all google-site-verification=V5ZanAy0CqVq2zLLMhNEq01dqyMHRWjJx6xh0UNRhLo google-site-verification=mNkDujnPx_Ked3s-e07xeFUd7wCtib1BNkNFlok-Nsc google-site-verification=0YvDxZW-X0Hrap2-HvOasaW6dJS2VSOUXgvKylJxUEQ |
WHOIS / RDAP Public registration data: who registered the domain, when, and when it expires.Read more →
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| Registrar | N/A |
| Registered | N/A |
| Expires | N/A |
| Last Updated | N/A |
SSL Certificate Encrypts the connection between browsers and this website. Valid SSL = HTTPS works.Read more → Valid
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| Subject (CN) | sourceforge.io |
| Issuer | Let's Encrypt |
| Valid From | 2026-08-12 |
| Valid Until | 2026-11-10 (22 days left) |
| SANs (3) | *.cftest.sourceforge.io*.sourceforge.iosourceforge.io |
HTTP Headers Metadata sent by the server: reveals software, caching rules, and security configuration.Read more →
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| Status | 403 |
| Server | cloudflare |
| Content-Type | text/html; charset=UTF-8 |
| Final URL | https://sourceforge.net/ |
| content-security-policy | default-src 'none'; script-src 'nonce-phQZsGtkJSdsKsREUNaZ8h' 'unsafe-eval' https://challenges.cloudflare.com; script-src-attr 'none'; style-src 'unsafe-inline'; img-src 'self' https://challenges.cloudflare.com; connect-src 'self' https://challenges.cloudflare.com; frame-src 'self' https://challenges.cloudflare.com blob:; child-src 'self' https://challenges.cloudflare.com blob:; worker-src blob:; form-action http: https:; base-uri 'self' |
| x-frame-options | SAMEORIGIN |
| x-content-type-options | nosniff |
| referrer-policy | same-origin |
| permissions-policy | accelerometer=(),camera=(),clipboard-read=(),clipboard-write=(),geolocation=(),gyroscope=(),hid=(),magnetometer=(),microphone=(),payment=(),publickey-credentials-get=(),screen-wake-lock=(),serial=(),sync-xhr=(),usb=(),xr-spatial-tracking=* |
| cf-ray | a4cb99a22969397a-IAD |
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 → CDN: Cloudflare
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ℹ️ This site uses a CDN. The location shown is the CDN edge server, not the origin server.
| IP Address | 104.18.10.31 |
| Provider | Cloudflare |
| Organization | Cloudflare, Inc. |
| ASN | AS13335 |
| Location | San Francisco, California, US |
| Coordinates | 37.7621, -122.3971 |
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 | ✓ Present v=spf1 include:servers.mcsv.net include:_spf.google.com include:sparkpostmail.com include:intuit.slashdotmedia.com ip4:216.105.42.92 ip4:216.34.181.0/24 ip4:76.251.79.34 ip4:216.105.38.6 -all |
| DMARC | ✓ Present v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; |
| MX Records | 10 → alt4.aspmx.l.google.com 1 → aspmx.l.google.com 5 → alt1.aspmx.l.google.com 5 → alt2.aspmx.l.google.com 10 → alt3.aspmx.l.google.com |
Other TLDs Other top-level domain variants of this domain name and their availability. 14 active 1 for sale 8 available
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Uptime Monitor
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| Current Status | 🟢 Online |
| HTTP Status | 200 |
| Response Time | 299ms |
| Last Checked | 2026-10-18 07:45:46.403737 |
| Uptime (30d) | 100% |