astro.build
B
24 hours
100.00%
7 days
100.00%
30 days
100.00%
IPv4 / IPv6
2
0
SSL Certificate
73d
Security Headers
0/6
Status Badges
Click any snippet to copy. Use Markdown for GitHub READMEs, HTML for websites.
| Badge | Markdown | HTML |
|---|---|---|
|
[](https://updown.website/site/astro.build/) |
<a href="https://updown.website/site/astro.build/"><img src="https://updown.website/badge/astro.build/status.svg" alt="Status"></a> |
|
[](https://updown.website/site/astro.build/) |
<a href="https://updown.website/site/astro.build/"><img src="https://updown.website/badge/astro.build/uptime.svg" alt="Uptime"></a> |
|
[](https://updown.website/site/astro.build/) |
<a href="https://updown.website/site/astro.build/"><img src="https://updown.website/badge/astro.build/response-time.svg" alt="Response Time"></a> |
|
[](https://updown.website/site/astro.build/) |
<a href="https://updown.website/site/astro.build/"><img src="https://updown.website/badge/astro.build/ssl.svg" alt="SSL"></a> |
|
[](https://updown.website/site/astro.build/) |
<a href="https://updown.website/site/astro.build/"><img src="https://updown.website/badge/astro.build/cwv.svg" alt="Performance"></a> |
|
[](https://updown.website/site/astro.build/) |
<a href="https://updown.website/site/astro.build/"><img src="https://updown.website/badge/astro.build/cwv.svg?category=accessibility" alt="Accessibility"></a> |
|
[](https://updown.website/site/astro.build/) |
<a href="https://updown.website/site/astro.build/"><img src="https://updown.website/badge/astro.build/cwv.svg?category=seo" alt="SEO"></a> |
|
[](https://updown.website/site/astro.build/) |
<a href="https://updown.website/site/astro.build/"><img src="https://updown.website/badge/astro.build/security-headers.svg" alt="Security Headers"></a> |
|
[](https://updown.website/site/astro.build/) |
<a href="https://updown.website/site/astro.build/"><img src="https://updown.website/badge/astro.build/uptime.svg?period=24h" alt="Uptime 24h"></a> |
|
[](https://updown.website/site/astro.build/) |
<a href="https://updown.website/site/astro.build/"><img src="https://updown.website/badge/astro.build/incidents.svg" alt="Incidents"></a> |
|
[](https://updown.website/site/astro.build/) |
<a href="https://updown.website/site/astro.build/"><img src="https://updown.website/badge/astro.build/ipv46.svg" alt="IPv4/IPv6"></a> |
Site Health (24 h)
HTTP Response
DNS Lookup
Ping
Up
Down
Reports
Incident
Monitoring
Recent HTTP Checks (24 h)
Total Checks
8
Success Rate
100%
Avg Response
4078 ms
Min / Max
91
/
8281 ms
Recent Checks
16:26
10:37
| Time | Status | Code | Response | Agent | Error |
|---|---|---|---|---|---|
| 10:37:12 | UP | 200 | 3865 ms | prod-local | — |
| 08:54:57 | UP | 200 | 8281 ms | prod-local | — |
| 05:33:04 | UP | 200 | 3994 ms | prod-local | — |
| 02:29:40 | UP | 200 | 6884 ms | prod-local | — |
| 01:09:09 | UP | 200 | 2332 ms | prod-local | — |
| 22:15:39 | UP | 200 | 103 ms | prod-local | — |
| 17:34:03 | UP | 200 | 7077 ms | prod-local | — |
| 16:26:36 | UP | 200 | 91 ms | prod-local | — |
Incident History
No incidents recorded — all clear!
Service Checks (Banner Grab)
2 up
0 down
| Status | Port | Service | Version | IP | Banner | Latency | Checked |
|---|---|---|---|---|---|---|---|
80 |
http | Netlify | 15.197.167.90 |
HTTP/1.1 301 Moved Permanently Content-Type: text/plain; charset=utf-8 Date: … | 2.0 ms | 18 hours, 21 minutes ago | |
443 |
https | — | 15.197.167.90 |
— | 503.2 ms | 18 hours, 21 minutes ago |
Security
SSL / TLS Certificate
73
days left
Valid
Apr 6, 2026
Jul 5, 2026
Issued → Expires
| Subject | commonName=*.astro.build |
|---|---|
| Issuer | countryName=US, organizationName=Let's Encrypt, commonName=E8 |
| Valid From | 2026-04-06 09:28 |
| Expires | 2026-07-05 09:28 |
| Serial Number | 062658901357979FDAFA4FC18392AE59508F |
| SHA-256 Fingerprint | d1:c9:88:1a:51:20:9e:93:94:1d:3d:71:ce:bd:37:e8:e2:74:fb:16:df:3c:3c:aa:92:bd:af:1d:d4:0e:43:64 |
| Subject Alt Names | *.astro.build *.docs.astro.build astro.build |
| Last Checked | 2026-04-22 10:37:13 |
Latest HTTP Response Details
| Final URL | https://astro.build/ |
|---|---|
| Status Code | 200 |
| Response Time | 3865 ms |
| Content Size | 320 KB (320.0 KB) |
| Content Type | text/html; charset=UTF-8 |
| Server | Netlify |
| TLS Version | TLSv1.3 |
|---|---|
| TLS Cipher | TLS_AES_128_GCM_SHA256 |
| Redirects | 0 |
| Checked | 2026-04-22 10:37:12 |
Email Security Posture
MX Records
SPF
DMARC
BIMI
MTA-STS
Weak
Overall
DNS & Network
DNS Intelligence (24h)
Avg Resolution
22.7 ms
Min / Max
9.9
/
48.4 ms
Record Types
6
Lookups (24h)
64
DNS Records
A
3.33.186.135
15.197.167.90
300s
9.9ms
MX
| 1 | aspmx.l.google.com |
| 5 | alt1.aspmx.l.google.com |
| 5 | alt2.aspmx.l.google.com |
| 10 | alt3.aspmx.l.google.com |
| 10 | alt4.aspmx.l.google.com |
3600s
30.5ms
NS
dns1.p04.nsone.net
dns2.p04.nsone.net
dns3.p04.nsone.net
dns4.p04.nsone.net
3600s
15.6ms
TXT
Domain Verification
(1)
google-site-verification=fLrdzEKoLvdYXcbj3tQrzT361r9d9_iEzJKfqZ8-2V8
3600s
11.8ms
SOA
Primary NS
dns1.p01.nsone.net
Admin
domains+netlify@netlify.com
Serial: 1720857172
Refresh: 12h
Retry: 2h
Expire: 14d
Min TTL: 1h
3600s
27.1ms
PTR
afa7f374f51cc8991.awsglobalaccelerator.com
300s
27.5ms
DNS Propagation Consistent
| Resolver | IPs Returned | Response Time | Status |
|---|---|---|---|
| Quad9 |
15.197.167.90
3.33.186.135
|
21.08ms | |
15.197.167.90
3.33.186.135
|
14.21ms | ||
| AdGuard |
15.197.167.90
3.33.186.135
|
81.8ms | |
| OpenDNS |
15.197.167.90
3.33.186.135
|
17.09ms | |
| Cloudflare |
15.197.167.90
3.33.186.135
|
29.2ms |
WHOIS / Domain Registration
Registrar
Namecheap
Registrant Organization
Privacy service provided by Withheld for Privacy ehf
Created
2021-03-13
Updated
2026-03-01
Expires
2027-03-13
Name Servers (WHOIS)
dns1.p04.nsone.net
dns2.p04.nsone.net
dns3.p04.nsone.net
dns4.p04.nsone.net
Domain Status
clientTransferProhibited
DNSSEC
Unsigned
Country
IS
WHOIS Last Checked
2026-04-22 10:37
Resolution Time (A/AAAA recent)
01:09
10:37
| Time | Type | Values | TTL | Resolution | Nameserver |
|---|---|---|---|---|---|
| 10:37:12 | PTR |
3.33.186.135
|
300s | 27.5 ms | — |
| 10:37:12 | PTR |
15.197.167.90
|
284s | 4.9 ms | — |
| 10:37:12 | SOA |
dns1.p01.nsone.net domains+netlify.netlify.com 1720857172 43200 7200 1209600 36…
|
3600s | 27.1 ms | 10.89.0.1 |
| 10:37:12 | TXT |
google-site-verification=fLrdzEKoLvdYXcbj3tQrzT361r9d9_iEzJKfqZ8-2V8
|
3600s | 11.8 ms | 10.89.0.1 |
| 10:37:12 | NS |
dns1.p04.nsone.net
dns2.p04.nsone.net
dns3.p04.nsone.net
dns4.p04.nsone.net
|
3600s | 15.6 ms | 10.89.0.1 |
| 10:37:12 | MX |
1 aspmx.l.google.com
5 alt1.aspmx.l.google.com
5 alt2.aspmx.l.google.com
10 alt3.aspmx.l.google.com
10 alt4.aspmx.l.google.com
|
3600s | 30.5 ms | 10.89.0.1 |
| 10:37:12 | AAAA | — | — | 45.6 ms | — |
| 10:37:12 | A |
3.33.186.135
15.197.167.90
|
300s | 9.9 ms | 10.89.0.1 |
| 08:54:57 | PTR |
3.33.186.135
|
300s | 24.5 ms | — |
| 08:54:57 | PTR |
15.197.167.90
|
300s | 27.6 ms | — |
| 08:54:57 | SOA |
dns1.p01.nsone.net domains+netlify.netlify.com 1720857172 43200 7200 1209600 36…
|
3600s | 10.5 ms | 10.89.0.1 |
| 08:54:57 | TXT |
google-site-verification=fLrdzEKoLvdYXcbj3tQrzT361r9d9_iEzJKfqZ8-2V8
|
3600s | 10.3 ms | 10.89.0.1 |
| 08:54:57 | NS |
dns1.p04.nsone.net
dns2.p04.nsone.net
dns3.p04.nsone.net
dns4.p04.nsone.net
|
3600s | 14.1 ms | 10.89.0.1 |
| 08:54:57 | MX |
1 aspmx.l.google.com
5 alt1.aspmx.l.google.com
5 alt2.aspmx.l.google.com
10 alt3.aspmx.l.google.com
10 alt4.aspmx.l.google.com
|
3600s | 11.2 ms | 10.89.0.1 |
| 08:54:57 | AAAA | — | — | 12.0 ms | — |
| 08:54:57 | A |
3.33.186.135
15.197.167.90
|
300s | 26.6 ms | 10.89.0.1 |
| 05:33:04 | PTR |
3.33.186.135
|
300s | 23.7 ms | — |
| 05:33:04 | PTR |
15.197.167.90
|
33s | 3.5 ms | — |
| 05:33:04 | SOA |
dns1.p01.nsone.net domains+netlify.netlify.com 1720857172 43200 7200 1209600 36…
|
3600s | 10.4 ms | 10.89.0.1 |
| 05:33:04 | TXT |
google-site-verification=fLrdzEKoLvdYXcbj3tQrzT361r9d9_iEzJKfqZ8-2V8
|
3600s | 12.4 ms | 10.89.0.1 |
| 05:33:04 | NS |
dns1.p04.nsone.net
dns2.p04.nsone.net
dns3.p04.nsone.net
dns4.p04.nsone.net
|
3600s | 11.8 ms | 10.89.0.1 |
| 05:33:04 | MX |
1 aspmx.l.google.com
5 alt1.aspmx.l.google.com
5 alt2.aspmx.l.google.com
10 alt3.aspmx.l.google.com
10 alt4.aspmx.l.google.com
|
3600s | 12.9 ms | 10.89.0.1 |
| 05:33:04 | AAAA | — | — | 25.1 ms | — |
| 05:33:04 | A |
3.33.186.135
15.197.167.90
|
300s | 12.7 ms | 10.89.0.1 |
| 02:29:38 | PTR |
3.33.186.135
|
300s | 19.9 ms | — |
| 02:29:38 | PTR |
15.197.167.90
|
83s | 4.3 ms | — |
| 02:29:38 | SOA |
dns1.p01.nsone.net domains+netlify.netlify.com 1720857172 43200 7200 1209600 36…
|
3600s | 9.8 ms | 10.89.0.1 |
| 02:29:38 | TXT |
google-site-verification=fLrdzEKoLvdYXcbj3tQrzT361r9d9_iEzJKfqZ8-2V8
|
3600s | 12.1 ms | 10.89.0.1 |
| 02:29:38 | NS |
dns1.p04.nsone.net
dns2.p04.nsone.net
dns3.p04.nsone.net
dns4.p04.nsone.net
|
3600s | 26.7 ms | 10.89.0.1 |
| 02:29:38 | MX |
1 aspmx.l.google.com
5 alt1.aspmx.l.google.com
5 alt2.aspmx.l.google.com
10 alt3.aspmx.l.google.com
10 alt4.aspmx.l.google.com
|
3600s | 10.9 ms | 10.89.0.1 |
| 02:29:38 | AAAA | — | — | 12.4 ms | — |
| 02:29:38 | A |
3.33.186.135
15.197.167.90
|
300s | 12.2 ms | 10.89.0.1 |
| 01:09:09 | PTR |
3.33.186.135
|
300s | 24.0 ms | — |
| 01:09:09 | PTR |
15.197.167.90
|
200s | 3.6 ms | — |
| 01:09:09 | SOA |
dns1.p01.nsone.net domains+netlify.netlify.com 1720857172 43200 7200 1209600 36…
|
3600s | 10.7 ms | 10.89.0.1 |
| 01:09:09 | TXT |
google-site-verification=fLrdzEKoLvdYXcbj3tQrzT361r9d9_iEzJKfqZ8-2V8
|
3600s | 10.0 ms | 10.89.0.1 |
| 01:09:09 | NS |
dns1.p04.nsone.net
dns2.p04.nsone.net
dns3.p04.nsone.net
dns4.p04.nsone.net
|
3600s | 12.7 ms | 10.89.0.1 |
| 01:09:09 | MX |
1 aspmx.l.google.com
5 alt1.aspmx.l.google.com
5 alt2.aspmx.l.google.com
10 alt3.aspmx.l.google.com
10 alt4.aspmx.l.google.com
|
3600s | 12.3 ms | 10.89.0.1 |
| 01:09:09 | AAAA | — | — | 12.8 ms | — |
| 01:09:09 | A |
3.33.186.135
15.197.167.90
|
300s | 31.2 ms | 10.89.0.1 |
| 22:15:39 | PTR |
3.33.186.135
|
251s | 4.0 ms | — |
| 22:15:39 | PTR |
15.197.167.90
|
243s | 4.5 ms | — |
| 22:15:39 | SOA |
dns1.p01.nsone.net domains+netlify.netlify.com 1720857172 43200 7200 1209600 36…
|
3600s | 11.8 ms | 10.89.0.1 |
| 22:15:39 | TXT |
google-site-verification=fLrdzEKoLvdYXcbj3tQrzT361r9d9_iEzJKfqZ8-2V8
|
3600s | 10.7 ms | 10.89.0.1 |
| 22:15:39 | NS |
dns1.p04.nsone.net
dns2.p04.nsone.net
dns3.p04.nsone.net
dns4.p04.nsone.net
|
3600s | 15.2 ms | 10.89.0.1 |
| 22:15:39 | MX |
1 aspmx.l.google.com
5 alt1.aspmx.l.google.com
5 alt2.aspmx.l.google.com
10 alt3.aspmx.l.google.com
10 alt4.aspmx.l.google.com
|
3600s | 12.5 ms | 10.89.0.1 |
| 22:15:39 | AAAA | — | — | 34.8 ms | — |
| 22:15:39 | A |
3.33.186.135
15.197.167.90
|
300s | 28.9 ms | 10.89.0.1 |
| 17:34:03 | PTR |
3.33.186.135
|
300s | 26.0 ms | — |
| 17:34:03 | PTR |
15.197.167.90
|
192s | 4.9 ms | — |
Open Ports
2
Open Ports
2
IPs Scanned
2
| Port | Protocol | Service | IP Address | Status | Latency | Banner |
|---|---|---|---|---|---|---|
80 |
TCP | http | 15.197.167.90 |
Open | 1.4 ms | — |
443 |
TCP | https | 15.197.167.90 |
Open | 1.5 ms | — |
Active IP Addresses
| IP Address | Version | Reverse DNS | CIDR | Country | City | ASN | Reputation | First Seen | Last DNS | Hits | Misses | Uptime % | Avg Latency |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
15.197.167.90 |
IPv4 |
afa7f374f51cc8991.awsglobalaccelerator.com
|
15.197.167.0/24
|
US | — | AS16509 Amazon.com, Inc. | Clean | 2026-04-19 16:46 | 2026-04-22 10:37 | 8 | 0 | 100.0% | 4.7 ms |
3.33.186.135 |
IPv4 |
afa7f374f51cc8991.awsglobalaccelerator.com
|
3.33.186.0/24
|
US | — | AS16509 Amazon.com, Inc. | Clean | 2026-04-19 16:46 | 2026-04-22 10:37 | 8 | 0 | 100.0% | 4.9 ms |
Technology
Technology Stack
13 detected
HTTP/2
HTTP/3 (QUIC)
13
Technologies
Analytics
1
Fathom Analytics
DNS
1
NS record: dns1.p04.nsone.net
Email
1
MX record: 1 aspmx.l.google.com
Library
2
Payment
1
Open Collective
Platform
1
X-NF-Request-Id header
Social
2
Verification
1
TXT verification: google-site-verification=fLrdzEKoLvdYXcbj3tQrzT361r9d9_iEzJKf…
Technology Provider
1 tech · 1 sites
This domain provides technology used by other monitored sites.
Discovery
Crawl Configuration
robots.txt
Sitemap
· 1 URLs
robots.txt 0 disallow · 1 allow · 1 agent
| User-Agent | Directive | Path / Value |
|---|---|---|
*
|
Allow |
/
|
*
|
Sitemap | https://astro.build/sitemap-index.xml |
# I, for one, welcome our new robotic overlords User-agent: * Allow: / Sitemap: https://astro.build/sitemap-index.xml
Discovered Sub-domains
24
Wordlist Brute-force
9
Certificate Transparency
15
| Subdomain | Source | Status | Code | Response | IPs | Last Checked |
|---|---|---|---|---|---|---|
api.astro.build |
Wordlist Brute-force | Pending | — | — | — | Never |
auth.services.astro.build |
Certificate Transparency | Pending | — | — | — | Never |
certain-quality.astro.build |
Certificate Transparency | Pending | — | — | — | Never |
community.astro.build |
Wordlist Brute-force | Pending | — | — | — | Never |
contribute.docs.astro.build |
Certificate Transparency | Pending | — | — | — | Never |
db.services.astro.build |
Certificate Transparency | Pending | — | — | — | Never |
docs.astro.build |
Wordlist Brute-force | UP | 200 | 56 ms | — | 1 day, 22 hours ago |
fonts-cdn.astro.build |
Certificate Transparency | Pending | — | — | — | Never |
i18n.docs.astro.build |
Certificate Transparency | Pending | — | — | — | Never |
i18n.starlight.astro.build |
Certificate Transparency | Pending | — | — | — | Never |
issues.astro.build |
Wordlist Brute-force | Pending | — | — | — | Never |
next.docs.astro.build |
Certificate Transparency | Pending | — | — | — | Never |
portal.astro.build |
Wordlist Brute-force | Pending | — | — | — | Never |
preview.astro.build |
Wordlist Brute-force | Pending | — | — | — | Never |
shop.astro.build |
Wordlist Brute-force | UP | 200 | 87 ms | — | 2 days, 12 hours ago |
staging.astro.build |
Wordlist Brute-force | Pending | — | — | — | Never |
stardate-staging.astro.build |
Certificate Transparency | Pending | — | — | — | Never |
starlight.astro.build |
Certificate Transparency | Pending | — | — | — | Never |
status-test.astro.build |
Certificate Transparency | Pending | — | — | — | Never |
status.astro.build |
Certificate Transparency | Pending | — | — | — | Never |
studio.astro.build |
Certificate Transparency | Pending | — | — | — | Never |
telemetry.astro.build |
Certificate Transparency | Pending | — | — | — | Never |
webhook.services.astro.build |
Certificate Transparency | Pending | — | — | — | Never |
www.astro.build |
Wordlist Brute-force | Pending | — | — | — | Never |