Rank #9,275Updated November 10, 2026
coolworldcn.com
coolworldcn.com is registered with Bizcn.com, Inc. since March 9, 2019 (7.7 years). The registration expires on March 9, 2034. Its email security grade is C. Its SSL certificate is issued by DigiCert Inc and is valid for 39 more days.
- Domain age
- 7.7 yrs
- Technologies
- —
- Email security
- C
- SSL days left
- 39
Registration
| Registrar | Bizcn.com, Inc. |
|---|---|
| IANA ID | 471 |
| Registered | March 9, 2019 |
| Expires | March 9, 2034 |
| Updated | December 9, 2025 |
| Status | client transfer prohibited |
| Name servers | ns7.cnmsn.net, ns8.cnmsn.net |
| DNSSEC | Not signed |
DNS records
| Type | Value | TTL |
|---|---|---|
| A | 47.242.95.31 | 120 |
| MX | mx2.qiye.aliyun.com 10 | 120 |
| MX | mx3.qiye.aliyun.com 15 | 120 |
| MX | mx1.qiye.aliyun.com 5 | 120 |
| NS | ns7.cnmsn.net | 600 |
| NS | ns8.cnmsn.net | 600 |
| TXT | v=spf1 include:spf.qiye.aliyun.com -all | 120 |
SSL certificate
| Valid | Invalid |
|---|---|
| Issuer | US, Encryption Everywhere DV TLS CA - G2, DigiCert Inc |
| Expires | December 20, 2026 |
| Days remaining | 39 |
| Protocol | TLSv1.3 |
| Names | coolworldcn.com, www.coolworldcn.com |
Email security
CScore 76/100 across SPF, DMARC, DKIM, MTA-STS and BIMI.
- warnDKIM key found (selector: default) but it is only 1024 bits; 2048 is recommended.
- 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 rejected (hard fail).
- goodDMARC policy is quarantine: failing mail goes to spam. Move to p=reject for full protection.
- goodDMARC aggregate reports are sent to mailto:[email protected].
- good3 MX record(s) found. Mail is handled by Alibaba Mail.
About coolworldcn.com
Who is the registrar of coolworldcn.com?
coolworldcn.com is registered with Bizcn.com, Inc. (IANA ID 471).
When does coolworldcn.com expire?
The current registration of coolworldcn.com expires on March 9, 2034. It was first registered on March 9, 2019.
Does coolworldcn.com protect its email with SPF and DMARC?
coolworldcn.com scores 76/100 (grade C) for email security. DKIM key found (selector: default) but it is only 1024 bits; 2048 is recommended. No MTA-STS: mail sent to you can be downgraded to an unencrypted connection.
What are the name servers of coolworldcn.com?
coolworldcn.com uses ns7.cnmsn.net, ns8.cnmsn.net.