douban.com
豆瓣
douban.com is registered with Alibaba Cloud Computing (Beijing) Co., Ltd. since September 19, 2004 (22.1 years). The registration expires on September 19, 2027. The site runs on Matomo, Universal Analytics. Its email security grade is F. Its SSL certificate is issued by Let's Encrypt and is valid for 47 more days.
- Domain age
- 22.1 yrs
- Technologies
- 2
- Email security
- F
- SSL days left
- 47
Registration
| Registrar | Alibaba Cloud Computing (Beijing) Co., Ltd. |
|---|---|
| IANA ID | 420 |
| Registered | September 19, 2004 |
| Expires | September 19, 2027 |
| Updated | December 29, 2025 |
| Status | active |
| Name servers | ns3.dnsv4.com, ns4.dnsv4.com |
| DNSSEC | Not signed |
DNS records
| Type | Value | TTL |
|---|---|---|
| A | 81.70.124.99 | 300 |
| A | 120.53.130.158 | 300 |
| A | 140.143.177.206 | 300 |
| MX | mx1.feishu.cn 10 | 600 |
| MX | mx2.feishu.cn 20 | 600 |
| MX | mx3.feishu.cn 30 | 600 |
| NS | ns4.dnsv4.com | 86400 |
| NS | ns3.dnsv4.com | 86400 |
| TXT | _7taq71qhdd4d8aex977o81h07frjhgl | 300 |
| TXT | v=spf1 include:feishu-spf.mail.douban.com ~all | 300 |
Technology stack
Analytics and advertising IDs
google_analytics:UA-7019765-1SSL certificate
| Valid | Valid |
|---|---|
| Issuer | US, YR2, Let's Encrypt |
| Expires | December 27, 2026 |
| Days remaining | 47 |
| Protocol | TLSv1.2 |
| Names | *.douban.com, *.doubanio.com, *.douc.cc, douban.com, doubanio.com, douc.cc |
Email security
- 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 MTA-STS: mail sent to you can be downgraded to an unencrypted connection.
- warnNo TLS-RPT record, so you won't hear about failed encrypted deliveries.
- warnNo BIMI record (optional: shows your logo next to your emails in supporting inboxes).
- goodSPF record found.
- goodSPF ends with ~all: servers you have not listed are marked as suspicious (soft fail).
- good3 MX record(s) found.
Homepage metadata
| Title | 豆瓣 |
|---|---|
| Description | 提供图书、电影、音乐唱片的推荐、评论和价格比较，以及城市独特的文化生活。 |
| Language | zh-cmn-Hans |
| Indexable | Yes |
| Word count | 697 |
About douban.com
Who is the registrar of douban.com?
douban.com is registered with Alibaba Cloud Computing (Beijing) Co., Ltd. (IANA ID 420).
When does douban.com expire?
The current registration of douban.com expires on September 19, 2027. It was first registered on September 19, 2004.
What technology does douban.com use?
We detected 2 technologies on douban.com, including Matomo, Universal Analytics.
Does douban.com protect its email with SPF and DMARC?
douban.com scores 28/100 (grade F) for email security. 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. No DKIM key found at common selectors (google, selector1, selector2, default, k1, k2, s1, s2, ...). DKIM may still use a custom selector we cannot guess.
What are the name servers of douban.com?
douban.com uses ns4.dnsv4.com, ns3.dnsv4.com.