ruanyifeng.com
阮一峰的个人网站 - Ruan YiFeng's Personal Website
ruanyifeng.com is registered with Cloudflare, Inc. since January 2, 2004 (22.9 years). The registration expires on January 2, 2027. The site runs on Cloudflare Web Analytics, Universal Analytics, Cloudflare. Its email security grade is F. Its SSL certificate is issued by Google Trust Services and is valid for 47 more days.
- Domain age
- 22.9 yrs
- Technologies
- 3
- Email security
- F
- SSL days left
- 47
Registration
| Registrar | Cloudflare, Inc. |
|---|---|
| IANA ID | 1910 |
| Registered | January 2, 2004 |
| Expires | January 2, 2027 |
| Updated | December 3, 2025 |
| Status | client transfer prohibited |
| Name servers | kara.ns.cloudflare.com, norman.ns.cloudflare.com |
| DNSSEC | Not signed |
DNS records
| Type | Value | TTL |
|---|---|---|
| A | 188.114.96.3 | 300 |
| A | 188.114.97.3 | 300 |
| NS | kara.ns.cloudflare.com | 86400 |
| NS | norman.ns.cloudflare.com | 86400 |
| AAAA | 2a06:98c1:3120::3 | 300 |
| AAAA | 2a06:98c1:3121::3 | 300 |
Technology stack
Analytics and advertising IDs
google_analytics:UA-46829782-1SSL certificate
| Valid | Valid |
|---|---|
| Issuer | US, WE1, Google Trust Services |
| Expires | December 27, 2026 |
| Days remaining | 47 |
| Protocol | TLSv1.3 |
| Names | ruanyifeng.com, *.ruanyifeng.com |
Email security
- badNo SPF record. Anyone can send email that claims to come from ruanyifeng.com. Domains that send no email should publish "v=spf1 -all".
- badNo DMARC record. Receivers have no instructions for mail that fails SPF and DKIM, and you get no reports about who sends as your domain.
- warnNo DKIM key found at common selectors (google, selector1, selector2, default, k1, k2, s1, s2, ...). DKIM may still use a custom selector we cannot guess.
- warnNo MX records: this domain cannot receive email.
- warnNo BIMI record (optional: shows your logo next to your emails in supporting inboxes).
Homepage metadata
| Title | 阮一峰的个人网站 - Ruan YiFeng's Personal Website |
|---|---|
| Indexable | Yes |
| Word count | 15 |
About ruanyifeng.com
Who is the registrar of ruanyifeng.com?
ruanyifeng.com is registered with Cloudflare, Inc. (IANA ID 1910).
When does ruanyifeng.com expire?
The current registration of ruanyifeng.com expires on January 2, 2027. It was first registered on January 2, 2004.
What technology does ruanyifeng.com use?
We detected 3 technologies on ruanyifeng.com, including Cloudflare Web Analytics, Universal Analytics, Cloudflare.
Does ruanyifeng.com protect its email with SPF and DMARC?
ruanyifeng.com scores 15/100 (grade F) for email security. No SPF record. Anyone can send email that claims to come from ruanyifeng.com. Domains that send no email should publish "v=spf1 -all". No DMARC record. Receivers have no instructions for mail that fails SPF and DKIM, and you get no reports about who sends as your domain.
What are the name servers of ruanyifeng.com?
ruanyifeng.com uses kara.ns.cloudflare.com, norman.ns.cloudflare.com.