🌐 nu.dev 200 🔒 SSL Valid
Checked: just now 🔗 Visit site
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This domain forwards to a specific page: building.nu.com/engineering/ (checked 0d ago)
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 125d
Domain Expires ?When the domain registration expires. If not renewed, the domain becomes available to others.Read more →
in 120d
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 →
2/3
IP Address ?The numerical address of the server hosting this website. Reveals location, provider, and network.Read more →
13.35.78.35
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)13.35.78.9613.35.78.10013.35.78.213.35.78.35
NSns-1103.awsdns-09.orgns-1709.awsdns-21.co.ukns-321.awsdns-40.comns-840.awsdns-41.net
TXT (3)
+2 other TXT record(s)
Show all TXT records
v=spf1 -all
OSSRH-90336
clojars-eng-prod-nubank
📋 WHOIS / RDAP ?Public registration data: who registered the domain, when, and when it expires.Read more →
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RegistrarGandi SAS
Registered2019-02-14
Expires2027-02-14 (in 120 days)
Last Updated2026-02-05
Statusclient transfer prohibited
🔒 SSL Certificate ?Encrypts the connection between browsers and this website. Valid SSL = HTTPS works.Read more → Valid
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Subject (CN)nubank.engineering
IssuerAmazon
Valid From2026-08-06
Valid Until2027-02-19 (125 days left)
SANs (8)nubank.engineeringwww.nubank.devnu.devwww.nubank.engineeringwww.buglessdevelopment.failbuglessdevelopment.failwww.nu.devnubank.dev
📡 HTTP Headers ?Metadata sent by the server: reveals software, caching rules, and security configuration.Read more →
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Status200
Servernginx
Content-Typetext/html; charset=UTF-8
Final URLhttps://building.nu.com/engineering/
strict-transport-securitymax-age=31536000
content-security-policybase-uri 'self' data:; object-src 'none'; script-src https: 'nonce-10c0c36a94' 'nonce-5a1e6f61af' 'nonce-88664c3383' 'nonce-f76e36633b' 'nonce-f9824473be' 'nonce-8f78cfdbe8' 'nonce-4292e16601' 'nonce-893e6a862c' 'nonce-5252259372' 'nonce-44a4e3b4f7' 'nonce-ac9d753e27' 'nonce-04d5e54970' 'nonce-d2717b94f3' 'nonce-d63f9a905f' 'nonce-00c3251d32' 'nonce-0fca5e2389' 'nonce-968594b87e' 'nonce-ca48774d83' 'nonce-b61ae72f17' 'nonce-10c0c36a94' 'nonce-10c0c36a94' 'nonce-089ea61a3e' 'nonce-57e34279e3' 'nonce-31f6dcf4ec' 'nonce-5a1e6f61af' 'nonce-1ff49bd4c1' 'nonce-9ece875cd3' 'nonce-53e4bb1cf8' 'nonce-5c98f474a2' 'nonce-d980b7df7c' 'nonce-3834252353' 'nonce-a6b0ccfce9' 'nonce-9fb9ffab61' 'nonce-211364acd1' 'nonce-ac6f7a988a' 'nonce-b594854232' 'nonce-92d2d687a1' 'nonce-5d4738b666' 'nonce-38b0838359' 'nonce-60940bd3d3' 'nonce-185a916a71' 'nonce-51acff46c0' 'nonce-892a72f352' 'nonce-d977ab779b' 'nonce-8bc935b26e' 'nonce-901ec97a44' 'nonce-eadc46489b' 'nonce-c7f42b97c4' 'nonce-6c54b08087' 'nonce-06ca535533' 'nonce-7928a3688f' 'nonce-097359c40a' 'nonce-ac2f37f792' 'nonce-d79138a22c' 'nonce-16bc336f5e' 'nonce-16bc336f5e' 'nonce-16bc336f5e' 'nonce-16bc336f5e' 'nonce-16bc336f5e' 'nonce-16bc336f5e' 'nonce-16bc336f5e' 'nonce-16bc336f5e' 'nonce-16bc336f5e' 'nonce-16bc336f5e' 'nonce-16bc336f5e' 'nonce-16bc336f5e' 'nonce-16bc336f5e' 'nonce-16bc336f5e' 'nonce-16bc336f5e' 'nonce-16bc336f5e' 'nonce-16bc336f5e' 'nonce-16bc336f5e' 'nonce-16bc336f5e' 'nonce-16bc336f5e' 'nonce-16bc336f5e' 'nonce-16bc336f5e' 'nonce-16bc336f5e' 'nonce-16bc336f5e' 'nonce-16bc336f5e' 'nonce-16bc336f5e' 'nonce-16bc336f5e' 'nonce-16bc336f5e' 'nonce-16bc336f5e' 'nonce-16bc336f5e' 'nonce-16bc336f5e' 'nonce-16bc336f5e' 'nonce-16bc336f5e' 'nonce-16bc336f5e' 'nonce-16bc336f5e' 'nonce-16bc336f5e' 'nonce-16bc336f5e' 'nonce-16bc336f5e' 'nonce-16bc336f5e' 'nonce-16bc336f5e' 'nonce-16bc336f5e' 'nonce-16bc336f5e' 'nonce-16bc336f5e' 'nonce-16bc336f5e' 'nonce-16bc336f5e' 'nonce-16bc336f5e' 'nonce-16bc336f5e' 'nonce-16bc336f5e' 'nonce-16bc336f5e' 'nonce-16bc336f5e' 'nonce-16bc336f5e' 'nonce-16bc336f5e' 'nonce-16bc336f5e' 'nonce-16bc336f5e' 'nonce-16bc336f5e' 'nonce-16bc336f5e' 'nonce-16bc336f5e' 'unsafe-hashes' 'sha256-+90B7YIzDUJci1yWhs4ELLPAY+pBf9M/wn/m/XaD+ss=' 'sha256-+90B7YIzDUJci1yWhs4ELLPAY+pBf9M/wn/m/XaD+ss=' 'sha256-+90B7YIzDUJci1yWhs4ELLPAY+pBf9M/wn/m/XaD+ss=' 'sha256-+90B7YIzDUJci1yWhs4ELLPAY+pBf9M/wn/m/XaD+ss=' 'sha256-+90B7YIzDUJci1yWhs4ELLPAY+pBf9M/wn/m/XaD+ss=' 'sha256-+90B7YIzDUJci1yWhs4ELLPAY+pBf9M/wn/m/XaD+ss=' 'sha256-+90B7YIzDUJci1yWhs4ELLPAY+pBf9M/wn/m/XaD+ss=' 'sha256-+90B7YIzDUJci1yWhs4ELLPAY+pBf9M/wn/m/XaD+ss=' 'sha256-+90B7YIzDUJci1yWhs4ELLPAY+pBf9M/wn/m/XaD+ss=' 'sha256-+90B7YIzDUJci1yWhs4ELLPAY+pBf9M/wn/m/XaD+ss=' 'sha256-+90B7YIzDUJci1yWhs4ELLPAY+pBf9M/wn/m/XaD+ss=' 'sha256-+90B7YIzDUJci1yWhs4ELLPAY+pBf9M/wn/m/XaD+ss=' 'sha256-+90B7YIzDUJci1yWhs4ELLPAY+pBf9M/wn/m/XaD+ss=' 'sha256-+90B7YIzDUJci1yWhs4ELLPAY+pBf9M/wn/m/XaD+ss=' 'sha256-+90B7YIzDUJci1yWhs4ELLPAY+pBf9M/wn/m/XaD+ss=' 'sha256-+90B7YIzDUJci1yWhs4ELLPAY+pBf9M/wn/m/XaD+ss=' 'sha256-+90B7YIzDUJci1yWhs4ELLPAY+pBf9M/wn/m/XaD+ss=' 'sha256-+90B7YIzDUJci1yWhs4ELLPAY+pBf9M/wn/m/XaD+ss=' 'sha256-+90B7YIzDUJci1yWhs4ELLPAY+pBf9M/wn/m/XaD+ss=' 'sha256-+90B7YIzDUJci1yWhs4ELLPAY+pBf9M/wn/m/XaD+ss=' 'sha256-+90B7YIzDUJci1yWhs4ELLPAY+pBf9M/wn/m/XaD+ss=' 'sha256-+90B7YIzDUJci1yWhs4ELLPAY+pBf9M/wn/m/XaD+ss=' 'sha256-+90B7YIzDUJci1yWhs4ELLPAY+pBf9M/wn/m/XaD+ss=' 'sha256-+90B7YIzDUJci1yWhs4ELLPAY+pBf9M/wn/m/XaD+ss=' 'strict-dynamic'
cache-controlmax-age=300, must-revalidate
Security headers ?HTTP headers that protect visitors from attacks. HSTS forces HTTPS, CSP controls resource loading, X-Frame-Options prevents clickjacking.Read more →
HSTS
Content-Security-Policy
X-Frame-Options
🏠 Hosting ?Physical infrastructure: where the server is, who operates it, and what network it belongs to.Read more →
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IP Address13.35.78.35
ProviderUnknown
OrganizationN/A
ASNN/A
LocationN/A
🛡️ Security Score D (3/7)
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Valid SSL
HSTS
CSP
X-Frame-Options
X-Content-Type
Referrer-Policy
Permissions-Policy
🗺️ 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 -all
DMARC✓ Present
v=DMARC1; p=reject
🌍 Other TLDs ?Other top-level domain variants of this domain name and their availability. 14 active 4 for sale 5 available
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.com ●
.net taken
.org taken
.info Available
.io ●
.co ●
.dev current
.app ●
.me Available
.biz ●
.eu Available
.xyz ●
.fi ●
.se ●
.de ●
.uk ●
.fr ●
.nl ●
.es Available
.it taken
.us Available
.ca taken
.com.au ●
.co.uk ●
📡 Uptime Monitor
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Current Status 🟢 Redirect
HTTP Status 301
Response Time 124ms
Last Checked 2026-10-16 14:15:25.081838
Uptime (30d) 100%