semver.org
Semantic Versioning 2.0.0 | Semantic Versioning
semver.org is registered with 1API GmbH since December 15, 2009 (16.9 years). The registration expires on December 15, 2029. The site runs on Varnish, Fastly, GitHub Pages and 1 other technologies. Its email security grade is F. Its SSL certificate is issued by Let's Encrypt and is valid for 66 more days.
- Domain age
- 16.9 yrs
- Technologies
- 4
- Email security
- F
- SSL days left
- 66
Registration
| Registrar | 1API GmbH |
|---|---|
| IANA ID | 1387 |
| Registered | December 15, 2009 |
| Expires | December 15, 2029 |
| Updated | August 12, 2026 |
| Status | client transfer prohibited |
| Name servers | ns1.dnsimple-edge.com, ns2.dnsimple-edge.net, ns3.dnsimple-edge.io, ns4.dnsimple-edge.org |
| DNSSEC | Not signed |
DNS records
| Type | Value | TTL |
|---|---|---|
| A | 185.199.108.153 | 3600 |
| A | 185.199.109.153 | 3600 |
| A | 185.199.110.153 | 3600 |
| A | 185.199.111.153 | 3600 |
| NS | ns1.dnsimple-edge.com | 3600 |
| NS | ns2.dnsimple-edge.net | 3600 |
| NS | ns3.dnsimple-edge.io | 3600 |
| NS | ns4.dnsimple-edge.org | 3600 |
| AAAA | 2606:50c0:8000::153 | 3600 |
| AAAA | 2606:50c0:8001::153 | 3600 |
| AAAA | 2606:50c0:8002::153 | 3600 |
| AAAA | 2606:50c0:8003::153 | 3600 |
Technology stack
SSL certificate
| Valid | Valid |
|---|---|
| Issuer | US, YR2, Let's Encrypt |
| Expires | January 15, 2027 |
| Days remaining | 66 |
| Protocol | TLSv1.3 |
| Names | semver.org, www.semver.org |
Email security
- badNo SPF record. Anyone can send email that claims to come from semver.org. 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 | Semantic Versioning 2.0.0 | Semantic Versioning |
|---|---|
| Description | Semantic Versioning spec and website |
| Language | en |
| Canonical | https://semver.org/ |
| Structured data | WebSite |
| Indexable | Yes |
| Word count | 2827 |
About semver.org
Who is the registrar of semver.org?
semver.org is registered with 1API GmbH (IANA ID 1387).
When does semver.org expire?
The current registration of semver.org expires on December 15, 2029. It was first registered on December 15, 2009.
What technology does semver.org use?
We detected 4 technologies on semver.org, including Varnish, Fastly, GitHub Pages, Jekyll.
Does semver.org protect its email with SPF and DMARC?
semver.org scores 15/100 (grade F) for email security. No SPF record. Anyone can send email that claims to come from semver.org. 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 semver.org?
semver.org uses ns1.dnsimple-edge.com, ns2.dnsimple-edge.net, ns3.dnsimple-edge.io, ns4.dnsimple-edge.org.