🌐 umn.app 200 🔒 SSL Valid
Checked: just now 🔗 Visit site
✨ About this site
Burrow is a platform designed to help students host and discover study groups to enhance their learning experience. Launched in 2025, the site connects learners for collaborative academic sessions.
📊 What the data says
This website is hosted on Cloudflare and returns an HTTP status of 200. Its technology stack includes Cloudflare, Google Fonts, and React, while its SSL certificate remains valid until December 11, 2026. Registered in 2025, the domain is approximately one year old.
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 54d
Domain Expires ?When the domain registration expires. If not renewed, the domain becomes available to others.Read more →
in 340d
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 →
104.21.0.175
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. 3
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🌐 CDN
Cloudflare
🔤 Font/Icon
Google Fonts
⚡ JS Framework
React
📸 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)104.21.0.175172.67.128.39
AAAA (IPv6)2606:4700:3035::ac43:80272606:4700:3034::6815:af
NSglen.ns.cloudflare.comalina.ns.cloudflare.com
MX10 mail.protonmail.ch20 mailsec.protonmail.ch
TXT (2)
+1 other TXT record(s)
Show all TXT records
protonmail-verification=2f9ffc5ef8afdd517711957cbbcefddde4fdd4f9
v=spf1 include:_spf.protonmail.ch ~all
📋 WHOIS / RDAP ?Public registration data: who registered the domain, when, and when it expires.Read more →
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RegistrarCloudFlare, Inc.
Registered2025-09-23
Expires2027-09-23 (in 340 days)
Last Updated2026-09-15
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)umn.app
IssuerGoogle Trust Services
Valid From2026-09-12
Valid Until2026-12-11 (54 days left)
SANs (2)umn.app*.umn.app
📡 HTTP Headers ?Metadata sent by the server: reveals software, caching rules, and security configuration.Read more →
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Status200
Servercloudflare
Content-Typetext/html; charset=UTF-8
Final URLhttps://umn.app/
cf-raya4c602766a25dfc2-IAD
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 Address104.21.0.175
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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Open to search engines
This site's robots.txt lets crawlers access its main content. Search engines can index it normally.
No paths are disallowed — everything is crawlable.
Sitemap Not found
🔗 Social & Meta Tags Complete
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TitleBurrow
DescriptionHost and discover your next study group. Learn better with Burrow.
OG TitleBurrow
OG DescriptionHost and discover your next study group. Learn better with Burrow.
OG Image/image/burrow.png
OG preview
Twitter Cardsummary_large_image
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 include:_spf.protonmail.ch ~all
DMARC✓ Present
v=DMARC1; p=quarantine
MX Records
10 → mail.protonmail.ch
20 → mailsec.protonmail.ch
🌍 Other TLDs ?Other top-level domain variants of this domain name and their availability. 18 active 4 for sale 1 available
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.com ●
.net ●
.org ●
.info ●
.io ●
.co ●
.dev taken
.app current
.me taken
.biz ●
.eu ●
.xyz ●
.fi ●
.se taken
.de ●
.uk ●
.fr Available
.nl ●
.es ●
.it ●
.us ●
.ca ●
.com.au taken
.co.uk ●
📡 Uptime Monitor
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Current Status 🟢 Online
HTTP Status 200
Response Time 61ms
Last Checked 2026-10-17 13:45:50.212918
Uptime (30d) 100%