🌐 kernel.co 200 🔒 SSL Valid
Checked: just now 🔗 Visit site
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This domain forwards to kernel.com (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 42d
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 →
198.185.159.145
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.
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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)198.185.159.145
NSns-cloud-a3.googledomains.comns-cloud-a2.googledomains.comns-cloud-a4.googledomains.comns-cloud-a1.googledomains.com
MX5 alt1.aspmx.l.google.com5 alt2.aspmx.l.google.com1 aspmx.l.google.com10 alt3.aspmx.l.google.com10 alt4.aspmx.l.google.com
TXT (6)
Services configured via TXT:
Google2 Microsoft 3652 Apple
Show all TXT records
apple-domain-verification=xXP2lFEnwr5vXoMC
MS=ms48350114
v=spf1 ip4:198.199.79.16 a include:mail.zendesk.com include:_spf.google.com mx ip4:68.170.74.122 ~all
MS=EE189E3DD2916597FF45E6BE38291DEA44ED9236
google-site-verification=OFp4zE1nctftReCe78pgRqTfmGgkNznfsT4AoTnd4DI
google-site-verification=F__z3dRKojaNrXv8Y5Eg2dcbXJ1_sK7qQku_sZDEHUI
📋 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)kernel.co
IssuerLet's Encrypt
Valid From2026-08-30
Valid Until2026-11-28 (42 days left)
SANs (1)kernel.co
📡 HTTP Headers ?Metadata sent by the server: reveals software, caching rules, and security configuration.Read more →
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Status200
ServerAmazonS3
Content-Typetext/html
Final URLhttps://www.kernel.com/
x-cacheHit from cloudfront
via1.1 1ae744582b6105b6f02e8971c5c713be.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 →
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 Address198.185.159.145
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
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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 ip4:198.199.79.16 a include:mail.zendesk.com include:_spf.google.com mx ip4:68.170.74.122 ~all
DMARCNot set
MX Records
5 → alt1.aspmx.l.google.com
5 → alt2.aspmx.l.google.com
1 → 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. 18 active 4 for sale 1 available
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.com ●
.net ●
.org ●
.info ●
.io ●
.co current
.dev ●
.app taken
.me ●
.biz ●
.eu ●
.xyz taken
.fi taken
.se ●
.de taken
.uk ●
.fr ●
.nl ●
.es ●
.it ●
.us ●
.ca Available
.com.au ●
.co.uk ●
📡 Uptime Monitor
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Not checked yet — data will appear after the first monitoring run.