🌐
power.dev 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 124d
Domain Expires When the domain registration expires. If not renewed, the domain becomes available to others.Read more →
in 503d
Hosting The company and location where this website's server is physically located.Read more →
Unknown
Security Score based on key HTTP security headers: HSTS, Content-Security-Policy, and X-Frame-Options.Read more →
0/3
IP Address The numerical address of the server hosting this website. Reveals location, provider, and network.Read more →
3.171.85.81
Performance Lighthouse performance score from Google PageSpeed Insights (0–100). Measures real-world loading speed, interactivity and visual stability.
63
mob
Uptime
100%
Performance Lighthouse performance score from Google PageSpeed Insights (0–100). Measures real-world loading speed, interactivity and visual stability. 63
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Mobile
Score
Accessibility
Best Practices
SEO
LCP
10.73s
CLS
0.000
FCP
3.93s
TTFB
0.00s
TBT
139ms
SI
4.54s
Desktop
Score
Accessibility
Best Practices
SEO
LCP
1.57s
CLS
0.004
FCP
0.51s
TTFB
0.00s
TBT
666ms
SI
1.11s
Checked: 2026-09-05 18:22:03.354594 · View on PageSpeed
Tech Stack Technologies detected on this website: CMS, frameworks, libraries, CDN, and analytics tools. 1
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☁️ Hosting
AWS
Screenshot
2026-09-02
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Captured: 2026-09-02 11:33:28 · 9.1 KB
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) | 3.171.85.583.171.85.853.171.85.813.171.85.27 |
| NS | ns-1409.awsdns-48.orgns-1969.awsdns-54.co.ukns-246.awsdns-30.comns-867.awsdns-44.net |
| MX | 10 alt3.aspmx.l.google.com10 alt4.aspmx.l.google.com5 alt1.aspmx.l.google.com5 alt2.aspmx.l.google.com1 aspmx.l.google.com |
| TXT (4) |
Services configured via TXT:
Google
OpenAI
+1 other TXT record(s)
Show all TXT recordsgoogle-site-verification=Vg0opfZBzkqXzMBcu7SZN9_VsblFPKCpBKjs_nL9_tQ openai-domain-verification=dv-Z0mFlhu5Pd1BA4BfHSssHw9J v=spf1 include:_spf.google.com ~all anthropic-domain-verification-cepqkk=PNX7M380Yp0CUcURALkacS6q7 |
WHOIS / RDAP Public registration data: who registered the domain, when, and when it expires.Read more →
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| Registrar | Squarespace Domains II LLC. |
| Registered | 2021-03-04 |
| Expires | 2028-03-04 (in 503 days) |
| Last Updated | 2026-01-19 |
| Status | active |
SSL Certificate Encrypts the connection between browsers and this website. Valid SSL = HTTPS works.Read more → Valid
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| Subject (CN) | *.power.dev |
| Issuer | Amazon |
| Valid From | 2026-01-21 |
| Valid Until | 2027-02-19 (124 days left) |
| SANs (2) | *.power.devpower.dev |
HTTP Headers Metadata sent by the server: reveals software, caching rules, and security configuration.Read more →
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| Status | 403 |
| Server | CloudFront |
| Content-Type | text/html |
| Final URL | https://power.dev/ |
| x-cache | Error from cloudfront |
| via | 1.1 bdfa5ff45a012f4d008a55b929c33ce2.cloudfront.net (CloudFront) |
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 | 3.171.85.81 |
| Provider | Unknown |
| Organization | N/A |
| ASN | N/A |
| Location | N/A |
Security Score
F (1/7)
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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
Missing
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| Title | ERROR: The request could not be satisfied |
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:_spf.google.com ~all |
| DMARC | ✓ Present v=DMARC1; p=none; |
| MX Records | 10 → alt3.aspmx.l.google.com 10 → alt4.aspmx.l.google.com 5 → alt1.aspmx.l.google.com 5 → alt2.aspmx.l.google.com 1 → aspmx.l.google.com |
Other TLDs Other top-level domain variants of this domain name and their availability. 17 active 5 for sale 1 available
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Uptime Monitor
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| Current Status | 🟢 Client Error |
| HTTP Status | 403 |
| Response Time | 89ms |
| Last Checked | 2026-10-15 18:30:06.437144 |
| Uptime (30d) | 100% |
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