Rank #8,025Updated November 10, 2026
astral.sh
Astral: High-performance Python tooling
The site runs on Next.js, React, Cloudflare and 4 other technologies. Its email security grade is B. Its SSL certificate is issued by Google Trust Services and is valid for 89 more days.
- Domain age
- —
- Technologies
- 7
- Email security
- B
- SSL days left
- 89
DNS records
| Type | Value | TTL |
|---|---|---|
| A | 104.26.12.77 | 245 |
| A | 104.26.13.77 | 245 |
| A | 172.67.68.3 | 245 |
| MX | aspmx.l.google.com 1 | 300 |
| MX | alt3.aspmx.l.google.com 10 | 300 |
| MX | alt4.aspmx.l.google.com 10 | 300 |
| MX | alt1.aspmx.l.google.com 5 | 300 |
| MX | alt2.aspmx.l.google.com 5 | 300 |
| NS | colin.ns.cloudflare.com | 86400 |
| NS | marge.ns.cloudflare.com | 86400 |
| TXT | apple-domain-verification=h98lXKkOUxKCt01S | 300 |
| TXT | google-gws-recovery-domain-verification=42293275 | 300 |
| TXT | google-site-verification=1UYoB8ogpoKcoPKi7YS7onkgqeZSE0mOgweB7zB7msk | 300 |
| TXT | google-site-verification=KcvqyXFtUaoXyCMV7Wx44A52KKVWpMLOwgzDMh_T-as | 300 |
| TXT | google-site-verification=LUFBX1UE8_tPVcy0RwqitcErSoKRIgwpXCo6LWabDUI | 300 |
| TXT | notion-domain-verification=F654uPbjySvhh2IN4xfIzuZECLx4IMB8AlxuEONsiWh | 300 |
| TXT | v=spf1 include:_spf.google.com ~all | 300 |
| AAAA | 2606:4700:20::681a:d4d | 236 |
| AAAA | 2606:4700:20::ac43:4403 | 236 |
| AAAA | 2606:4700:20::681a:c4d | 236 |
Technology stack
SSL certificate
| Valid | Valid |
|---|---|
| Issuer | US, WE1, Google Trust Services |
| Expires | February 7, 2027 |
| Days remaining | 89 |
| Protocol | TLSv1.3 |
| Names | astral.sh, emu.astral.sh |
Email security
BScore 83/100 across SPF, DMARC, DKIM, MTA-STS and BIMI.
- 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 policy is reject: mail that fails authentication is blocked.
- goodDMARC aggregate reports are sent to mailto:[email protected].
- goodDKIM keys found (selector: google).
- good5 MX record(s) found. Mail is handled by Google Workspace.
Homepage metadata
| Title | Astral: High-performance Python tooling |
|---|---|
| Description | Astral builds high-performance developer tools for the Python ecosystem: Ruff, ty, and uv, an extremely fast Python package manager, written in Rust. |
| Canonical | https://astral.sh/ |
| Indexable | Yes |
| Word count | 556 |
About astral.sh
What technology does astral.sh use?
We detected 7 technologies on astral.sh, including Cloudflare, Vercel, Next.js, React, Swiper, Node.js.
Does astral.sh protect its email with SPF and DMARC?
astral.sh scores 83/100 (grade B) for email security. No MTA-STS: mail sent to you can be downgraded to an unencrypted connection. No TLS-RPT record, so you won't hear about failed encrypted deliveries.
What are the name servers of astral.sh?
astral.sh uses colin.ns.cloudflare.com, marge.ns.cloudflare.com.