Rank #4,795Updated November 10, 2026
crates.io
crates.io: Rust Package Registry
The site runs on Svelte, SvelteKit, Varnish and 2 other technologies. Its email security grade is D. Its SSL certificate is issued by GlobalSign nv-sa and is valid for 98 more days.
- Domain age
- —
- Technologies
- 5
- Email security
- D
- SSL days left
- 98
DNS records
| Type | Value | TTL |
|---|---|---|
| A | 151.101.194.137 | 19 |
| A | 151.101.66.137 | 19 |
| A | 151.101.2.137 | 19 |
| A | 151.101.130.137 | 19 |
| MX | mxa.mailgun.org 10 | 300 |
| MX | mxb.mailgun.org 10 | 300 |
| NS | ns-1064.awsdns-05.org | 60 |
| NS | ns-1543.awsdns-00.co.uk | 60 |
| NS | ns-217.awsdns-27.com | 60 |
| NS | ns-817.awsdns-38.net | 60 |
| TXT | v=spf1 include:mailgun.org ~all | 300 |
| AAAA | 2a04:4e42::649 | 13 |
| AAAA | 2a04:4e42:200::649 | 13 |
| AAAA | 2a04:4e42:400::649 | 13 |
| AAAA | 2a04:4e42:600::649 | 13 |
Technology stack
SSL certificate
| Valid | Valid |
|---|---|
| Issuer | BE, GlobalSign Atlas R3 DV TLS CA 2025 Q4, GlobalSign nv-sa |
| Expires | February 16, 2027 |
| Days remaining | 98 |
| Protocol | TLSv1.3 |
| Names | crates.io, fastly-app.crates.io |
Email security
DScore 60/100 across SPF, DMARC, DKIM, MTA-STS and BIMI.
- warnDMARC policy is none (monitoring only). Spoofed mail is still delivered.
- warnDKIM key found (selector: k1) 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 marked as suspicious (soft fail).
- goodDMARC aggregate reports are sent to mailto:[email protected].
- good2 MX record(s) found. Mail is handled by Mailgun.
Homepage metadata
| Title | crates.io: Rust Package Registry |
|---|---|
| Language | en |
| Indexable | Yes |
| Word count | 0 |
About crates.io
What technology does crates.io use?
We detected 5 technologies on crates.io, including Varnish, Fastly, Svelte, SvelteKit, HSTS.
Does crates.io protect its email with SPF and DMARC?
crates.io scores 60/100 (grade D) for email security. DMARC policy is none (monitoring only). Spoofed mail is still delivered. DKIM key found (selector: k1) but it is only 1024 bits; 2048 is recommended.
What are the name servers of crates.io?
crates.io uses ns-1064.awsdns-05.org, ns-1543.awsdns-00.co.uk, ns-217.awsdns-27.com, ns-817.awsdns-38.net.