🌐 readme.io 200 🔒 SSL Valid
Checked: just now 🔗 Visit site
↪
This domain forwards to readme.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 48d
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 →
1/3
IP Address ?The numerical address of the server hosting this website. Reveals location, provider, and network.Read more →
104.16.241.118
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.
▼

Performance data not available yet.

🛠️ Tech Stack ?Technologies detected on this website: CMS, frameworks, libraries, CDN, and analytics tools.
▼

No technologies detected

📸 Screenshot
▼

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 →
▼
A (IPv4)104.16.242.118104.16.241.118
AAAA (IPv6)2606:4700::6810:f1762606:4700::6810:f276
NSjeremy.ns.cloudflare.comuma.ns.cloudflare.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 (8)
Services configured via TXT:
Google3 Microsoft 365 OpenAI Status Page
+1 other TXT record(s)
Show all TXT records
v=spf1 include:spf.mail.intercom.io include:_spf.google.com include:9401557.spf07.hubspotemail.net ~all
MS=ms82780562
ca3-7a7eea41f1c64eb39eb32eb2e44b04e7
google-site-verification=56mwY-L11n-tVQX2yg8CjjvkBwK9Lrm_KXymJXg3Vgw
google-site-verification=8AC7E3YtUOlA34ghgS3Bkm5vNl8I-vyIKgwG4B5V-Zw
google-site-verification=ggprQYAF0VakZWIaUW8m_cuztINyXsplKWkjJJbt8AM
openai-domain-verification=dv-5y8XwyJ1t1I74hw4IyabzksX
status-page-domain-verification=qds0hzpkdm36
📋 WHOIS / RDAP ?Public registration data: who registered the domain, when, and when it expires.Read more →
▼
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
▼
Subject (CN)readme.io
IssuerGoogle Trust Services
Valid From2026-09-08
Valid Until2026-12-07 (48 days left)
SANs (2)readme.io*.readme.io
📡 HTTP Headers ?Metadata sent by the server: reveals software, caching rules, and security configuration.Read more →
▼
Status200
ServerVercel
Content-Typetext/html; charset=utf-8
Final URLhttps://readme.com/
strict-transport-securitymax-age=63072000
cache-controlpublic, max-age=0, 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 →
▼
IP Address104.16.241.118
ProviderUnknown
OrganizationN/A
ASNN/A
LocationN/A
🛡️ Security Score F (2/7)
▼
Valid SSL
HSTS
CSP
X-Frame-Options
X-Content-Type
Referrer-Policy
Permissions-Policy
🗺️ Sitemap & Robots
▼
No robots.txt
This site has no robots.txt file, so crawlers may access everything by default.
Sitemap Not found
🔗 Social & Meta Tags
▼

No meta tags detected.

📧 Mail Security ?Email authentication records (SPF & DMARC) that prevent spoofing and phishing from this domain.Read more →
▼
SPF✓ Present
v=spf1 include:spf.mail.intercom.io include:_spf.google.com include:9401557.spf07.hubspotemail.net ~all
DMARC✓ Present
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; aspf=r; adkim=r;
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. 19 active 4 for sale
▼
.com ●
.net ●
.org taken
.info ●
.io current
.co ●
.dev ●
.app ●
.me ●
.biz ●
.eu ●
.xyz ●
.fi ●
.se ●
.de ●
.uk taken
.fr ●
.nl ●
.es ●
.it ●
.us ●
.ca taken
.com.au ●
.co.uk taken
📡 Uptime Monitor
▼
Current Status 🟢 Online
HTTP Status 200
Response Time 106ms
Last Checked 2026-10-18 08:45:52.32577
Uptime (30d) 100%