🌐 nu.app 200 🔒 SSL Valid
Checked: just now 🔗 Visit site
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 77d
Domain Expires ?When the domain registration expires. If not renewed, the domain becomes available to others.Read more →
in 289d
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 →
165.22.123.139
Performance ?Lighthouse performance score from Google PageSpeed Insights (0–100). Measures real-world loading speed, interactivity and visual stability.
N/A
Uptime
N/A
⚡ 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. 2
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🔤 Font/Icon
Google Fonts
🖥️ Web Server
Apache
📸 Screenshot Processing...
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⏳

Screenshot is being captured...

🌐 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)165.22.123.139
NSns1.helloserver.winns2.helloserver.win
MX0 nu.app
TXT (6)
+5 other TXT record(s)
Show all TXT records
afternic-verification-Qvn3p7PuRqTYub6hbPxp9L
53012de8b0b79984cd7c6667e5d6a1f9d5c91ed6
42e0f1f50d0746987983d8803018719123275674
08cebbb6-463b-4cf3-b8f1-04d2f06504e2
dan-ownership-verification=bea7f800
v=spf1 +a +mx +ip4:165.22.123.139 ~all
📋 WHOIS / RDAP ?Public registration data: who registered the domain, when, and when it expires.Read more →
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RegistrarInterNetX GmbH
Registered2024-08-01
Expires2027-08-01 (in 289 days)
Last Updated2026-07-03
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)www.nu.app
IssuerLet's Encrypt
Valid From2026-10-03
Valid Until2027-01-01 (77 days left)
SANs (2)nu.appwww.nu.app
📡 HTTP Headers ?Metadata sent by the server: reveals software, caching rules, and security configuration.Read more →
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Status200
ServerApache
Content-Typetext/html; charset=UTF-8
Final URLhttps://nu.app/
cache-controlno-store, no-cache, 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 Address165.22.123.139
ProviderUnknown
OrganizationN/A
ASNN/A
LocationN/A
🛡️ Security Score F (1/7)
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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 Missing
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TitleNu.app – Domain Showcase – TopDomains
Canonical URLhttps://nu.app
Languageen
📧 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 +a +mx +ip4:165.22.123.139 ~all
DMARCNot set
MX Records
0 → nu.app
🌍 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 ●
.app current
.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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Not checked yet — data will appear after the first monitoring run.