sf.net
sf.net is registered with GoDaddy.com, LLC since December 22, 1994 (31.9 years). The registration expires on December 21, 2026. Its email security grade is D. Its SSL certificate is issued by Let's Encrypt and is valid for 30 more days.
- Domain age
- 31.9 yrs
- Technologies
- —
- Email security
- D
- SSL days left
- 30
Registration
| Registrar | GoDaddy.com, LLC |
|---|---|
| IANA ID | 146 |
| Registered | December 22, 1994 |
| Expires | December 21, 2026 |
| Updated | December 22, 2024 |
| Status | client delete prohibited, client renew prohibited, client transfer prohibited, client update prohibited |
| Name servers | ns11.constellix.com, ns21.constellix.com, ns31.constellix.com, ns41.constellix.net, ns51.constellix.net, ns61.constellix.net |
| DNSSEC | Not signed |
DNS records
| Type | Value | TTL |
|---|---|---|
| A | 104.18.20.237 | 300 |
| A | 104.18.21.237 | 300 |
| MX | mx.sourceforge.net 10 | 3600 |
| NS | ns61.constellix.net | 86400 |
| NS | ns11.constellix.com | 86400 |
| NS | ns21.constellix.com | 86400 |
| NS | ns31.constellix.com | 86400 |
| NS | ns41.constellix.net | 86400 |
| NS | ns51.constellix.net | 86400 |
| CAA | issue 0 amazontrust.com | 300 |
| CAA | issue 0 amazonaws.com | 300 |
| CAA | issue 0 awstrust.com | 300 |
| CAA | issue 0 comodo.com | 300 |
| CAA | issue 0 amazon.com | 300 |
| CAA | issue 0 letsencrypt.org | 300 |
| CAA | issue 0 digicert.com | 300 |
| TXT | SourceForge, Inc. | 3600 |
| TXT | v=spf1 redirect=_spf.sf.net | 3600 |
| TXT | ca3-f4212f5f769b49b8840bea8a424c9b30 | 3600 |
| TXT | ca3-d544fc84b0da44919971660318584992 | 3600 |
SSL certificate
| Valid | Valid |
|---|---|
| Issuer | US, YE1, Let's Encrypt |
| Expires | December 10, 2026 |
| Days remaining | 30 |
| Protocol | TLSv1.3 |
| Names | *.sf.net, *.users.sf.net, sf.net |
Email security
- warnSubdomains use a weaker policy (sp=none) than the main domain (p=quarantine).
- 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 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].
- good1 MX record(s) found.
About sf.net
Who is the registrar of sf.net?
sf.net is registered with GoDaddy.com, LLC (IANA ID 146).
When does sf.net expire?
The current registration of sf.net expires on December 21, 2026. It was first registered on December 22, 1994.
Does sf.net protect its email with SPF and DMARC?
sf.net scores 60/100 (grade D) for email security. Subdomains use a weaker policy (sp=none) than the main domain (p=quarantine). 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 sf.net?
sf.net uses ns61.constellix.net, ns11.constellix.com, ns21.constellix.com, ns31.constellix.com, ns41.constellix.net, ns51.constellix.net.