🌐 dev.co 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 66d
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 →
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 →
104.21.36.38
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.
▼
Desktop
54
Score
95
Accessibility
96
Best Practices
92
SEO
LCP 1.18s
CLS 0.610
FCP 0.76s
TTFB 0.02s
TBT 443ms
SI 1.45s
Checked: 2026-09-05 22:25:32.176701 · View on PageSpeed
🛠️ Tech Stack ?Technologies detected on this website: CMS, frameworks, libraries, CDN, and analytics tools. 5
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📊 Analytics
Google Analytics Google Tag Manager
🌐 CDN
Cloudflare
⚙️ Framework
Next.js
⚡ 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)172.67.184.182104.21.36.38
AAAA (IPv6)2606:4700:3033::6815:24262606:4700:3037::ac43:b8b6
NSchristina.ns.cloudflare.comsterling.ns.cloudflare.com
MX10 aspmx.l.google.com5 alt1.aspmx.l.google.com5 alt2.aspmx.l.google.com10 alt3.aspmx.l.google.com10 alt4.aspmx.l.google.com
TXT (4)
Services configured via TXT:
Cybersoftware2 Google
Show all TXT records
v=spf1 include:_spf.google.com ~all
cybersoftware-site-verification=09510782707b9cb83886a79dc3bbaaf9
cybersoftware-site-verification=45a5ff4019c472ed554bbd45fd9aee15
google-site-verification=WTsJbOzr7Ku-CxNO7qsWeb-uWMnfN7nX6rSCGOSHfSc
📋 WHOIS / RDAP ?Public registration data: who registered the domain, when, and when it expires.Read more →
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RegistrarN/A
RegisteredN/A
ExpiresN/A
Last UpdatedN/A
🔒 SSL Certificate ?Encrypts the connection between browsers and this website. Valid SSL = HTTPS works.Read more → Valid
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Subject (CN)dev.co
IssuerGoogle Trust Services
Valid From2026-09-23
Valid Until2026-12-22 (66 days left)
SANs (2)dev.co*.dev.co
📡 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://dev.co/
x-powered-byNext.js
x-content-type-optionsnosniff
cache-controls-maxage=300, stale-while-revalidate
cf-raya4ba3f6748ad22ef-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 Address104.21.36.38
ProviderUnknown
OrganizationN/A
ASNN/A
LocationN/A
🛡️ Security Score F (2/7)
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Valid SSL
HSTS
CSP
X-Frame-Options
X-Content-Type
Referrer-Policy
Permissions-Policy
🗺️ Sitemap & Robots
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Partially restricted
Some areas are hidden from crawlers, but the main content stays open to search engines.
Areas hidden from crawlers:
🔑 Admin & login 1 🔌 API & endpoints 1 📁 Other paths 4
Show raw disallow rules (6)
/api/
/admin/
/proposals/
/demo/
/thanks
/v1
Sitemap Found 4361 pages
Last modified 2026-10-16T12:51:43.973Z
🔗 Social & Meta Tags Complete
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TitleAI Software Development Company & Agency | DEV.co
DescriptionDEV.co is a US software development company and agency. Senior engineers build custom web, mobile, SaaS, and AI software, and you own every line of code.
OG TitleAI Software Development Company & Agency | DEV.co
OG DescriptionDEV.co is a US software development company and agency. Senior engineers build custom web, mobile, SaaS, and AI software, and you own every line of code.
OG Imagehttps://dev.co/images/cropped-favicon.png
OG preview
OG Typewebsite
Twitter Cardsummary_large_image
Canonical URLhttps://dev.co
Languageen
📧 Mail Security ?Email authentication records (SPF & DMARC) that prevent spoofing and phishing from this domain.Read more →
▼
SPF✓ Present
v=spf1 include:_spf.google.com ~all
DMARC✓ Present
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
MX Records
10 → aspmx.l.google.com
5 → alt1.aspmx.l.google.com
5 → alt2.aspmx.l.google.com
10 → alt3.aspmx.l.google.com
10 → alt4.aspmx.l.google.com
🌍 Other TLDs ?Other top-level domain variants of this domain name and their availability. 17 active 4 for sale 2 available
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.com ●
.net taken
.org ●
.info taken
.io ●
.co current
.dev Available
.app Available
.me ●
.biz ●
.eu ●
.xyz ●
.fi ●
.se ●
.de ●
.uk ●
.fr ●
.nl ●
.es ●
.it ●
.us ●
.ca ●
.com.au taken
.co.uk taken
📡 Uptime Monitor
▼
Current Status 🟢 Online
HTTP Status 200
Response Time 592ms
Last Checked 2026-10-15 18:30:04.510001
Uptime (30d) 100%
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