preactjs.com A

24 hours
100.00%
7 days
100.00%
30 days
100.00%
IPv4 / IPv6
8 2
SSL Certificate
70d
Security Headers
0/6
Status Badges

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Badge Markdown HTML
Status [![Status](https://updown.website/badge/preactjs.com/status.svg)](https://updown.website/site/preactjs.com/) <a href="https://updown.website/site/preactjs.com/"><img src="https://updown.website/badge/preactjs.com/status.svg" alt="Status"></a>
Uptime [![Uptime](https://updown.website/badge/preactjs.com/uptime.svg)](https://updown.website/site/preactjs.com/) <a href="https://updown.website/site/preactjs.com/"><img src="https://updown.website/badge/preactjs.com/uptime.svg" alt="Uptime"></a>
Response Time [![Response Time](https://updown.website/badge/preactjs.com/response-time.svg)](https://updown.website/site/preactjs.com/) <a href="https://updown.website/site/preactjs.com/"><img src="https://updown.website/badge/preactjs.com/response-time.svg" alt="Response Time"></a>
SSL [![SSL](https://updown.website/badge/preactjs.com/ssl.svg)](https://updown.website/site/preactjs.com/) <a href="https://updown.website/site/preactjs.com/"><img src="https://updown.website/badge/preactjs.com/ssl.svg" alt="SSL"></a>
Performance [![Performance](https://updown.website/badge/preactjs.com/cwv.svg)](https://updown.website/site/preactjs.com/) <a href="https://updown.website/site/preactjs.com/"><img src="https://updown.website/badge/preactjs.com/cwv.svg" alt="Performance"></a>
Accessibility [![Accessibility](https://updown.website/badge/preactjs.com/cwv.svg?category=accessibility)](https://updown.website/site/preactjs.com/) <a href="https://updown.website/site/preactjs.com/"><img src="https://updown.website/badge/preactjs.com/cwv.svg?category=accessibility" alt="Accessibility"></a>
SEO [![SEO](https://updown.website/badge/preactjs.com/cwv.svg?category=seo)](https://updown.website/site/preactjs.com/) <a href="https://updown.website/site/preactjs.com/"><img src="https://updown.website/badge/preactjs.com/cwv.svg?category=seo" alt="SEO"></a>
Security Headers [![Security Headers](https://updown.website/badge/preactjs.com/security-headers.svg)](https://updown.website/site/preactjs.com/) <a href="https://updown.website/site/preactjs.com/"><img src="https://updown.website/badge/preactjs.com/security-headers.svg" alt="Security Headers"></a>
Uptime 24h [![Uptime 24h](https://updown.website/badge/preactjs.com/uptime.svg?period=24h)](https://updown.website/site/preactjs.com/) <a href="https://updown.website/site/preactjs.com/"><img src="https://updown.website/badge/preactjs.com/uptime.svg?period=24h" alt="Uptime 24h"></a>
Incidents [![Incidents](https://updown.website/badge/preactjs.com/incidents.svg)](https://updown.website/site/preactjs.com/) <a href="https://updown.website/site/preactjs.com/"><img src="https://updown.website/badge/preactjs.com/incidents.svg" alt="Incidents"></a>
IPv4/IPv6 [![IPv4/IPv6](https://updown.website/badge/preactjs.com/ipv46.svg)](https://updown.website/site/preactjs.com/) <a href="https://updown.website/site/preactjs.com/"><img src="https://updown.website/badge/preactjs.com/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
1160 ms
Min / Max
80 / 5095 ms
Recent Checks
16:08 09:59
Time Status Code Response Agent Error
09:59:48 UP 200 3604 ms prod-local
08:37:41 UP 200 80 ms prod-local
05:21:38 UP 200 104 ms prod-local
02:40:50 UP 200 5095 ms prod-local
01:18:23 UP 200 111 ms prod-local
22:50:37 UP 200 90 ms prod-local
17:18:16 UP 200 80 ms prod-local
16:08:38 UP 200 117 ms prod-local
Incident History

No incidents recorded — all clear!

Community
0
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Mail Server (SMTP) Checks
3 checked
Status MX Host Port IP EHLO STARTTLS TLS Works TLS Ver Open Relay Auth Reverse DNS Banner Latency Checked
route3.mx.cloudflare.net 25 162.159.205.23 10004.2 ms 1 day, 23 hours ago
route3.mx.cloudflare.net 465 162.159.205.23 2.0 ms 1 day, 23 hours ago
route3.mx.cloudflare.net 587 162.159.205.23 5.3 ms 1 day, 23 hours ago
Service Checks (Banner Grab)
11 up 1 down
Status Port Service Version IP Banner Latency Checked
80 http cloudflare 2606:4700:3033::ac43:d376 HTTP/1.1 301 Moved Permanently Date: Tue, 21 Apr 2026 10:18:14 GMT Connection… 3.6 ms 1 day, 1 hour ago
443 https 2606:4700:3033::ac43:d376 503.2 ms 1 day, 1 hour ago
2082 cpanel 2606:4700:3033::ac43:d376 2005.4 ms 1 day, 1 hour ago
2083 cpanel-ssl 2606:4700:3033::ac43:d376 2005.3 ms 1 day, 1 hour ago
2086 whm 2606:4700:3033::ac43:d376 2005.2 ms 1 day, 1 hour ago
2087 whm-ssl 2606:4700:3033::ac43:d376 2005.1 ms 1 day, 1 hour ago
8080 http cloudflare 2606:4700:3033::ac43:d376 HTTP/1.1 301 Moved Permanently Date: Tue, 21 Apr 2026 10:18:14 GMT Connection… 2.6 ms 1 day, 1 hour ago
8443 https-alt 2606:4700:3033::ac43:d376 503.3 ms 1 day, 1 hour ago
8880 cddbp-alt 2606:4700:3033::ac43:d376 2004.2 ms 1 day, 1 hour ago
Security
SSL / TLS Certificate
70
days left
Valid
Apr 3, 2026 Jul 2, 2026
Issued → Expires
Subject commonName=preactjs.com
Issuer countryName=US, organizationName=Google Trust Services, commonName=WE1
Valid From 2026-04-03 03:16
Expires 2026-07-02 04:15
Serial Number 146616973E304023134D78C62E1D5D89
SHA-256 Fingerprint 9c:be:88:2e:5b:7d:a4:ef:08:19:b7:4f:83:97:75:24:10:e5:89:53:d1:9d:28:74:d7:76:a3:fa:74:48:37:10
Subject Alt Names preactjs.com *.preactjs.com
Last Checked 2026-04-22 09:59:48
Latest HTTP Response Details
Final URL https://preactjs.com/
Status Code 200
Response Time 3604 ms
Content Size 46 KB (46.2 KB)
Content Type text/html; charset=UTF-8
Server cloudflare
TLS Version TLSv1.3
TLS Cipher TLS_AES_256_GCM_SHA384
Redirects 0
Checked 2026-04-22 09:59:48
Email Security Posture
MX Records
SPF
Details v=spf1 include:_spf.mx.cloudflare.net ~all
DMARC
Details v=DMARC1; p=none; rua=mailto:a93b0412d7814bfc81e3c1069bd0cdec@dmarc-reports.cloudflare.net
BIMI
MTA-STS
Strong
Overall
DNS & Network
DNS Intelligence (24h)
Avg Resolution
23.3 ms
Min / Max
13.0 / 59.2 ms
Record Types
6
Lookups (24h)
48
DNS Records
A
172.67.211.118 104.21.61.148
300s 13.0ms
AAAA
2606:4700:3032::6815:3d94 2606:4700:3033::ac43:d376
300s 16.0ms
MX
1 route3.mx.cloudflare.net
44 route1.mx.cloudflare.net
69 route2.mx.cloudflare.net
300s 5.1ms
NS
kara.ns.cloudflare.com rick.ns.cloudflare.com
2259s 1.0ms
TXT
SPF (1)
v=spf1 include:_spf.mx.cloudflare.net ~all
Domain Verification (2)
brave-ledger-verification=484c72b08036d8589120f4ac074f76b642fd15bd514… brave-ledger-verification=484c72b08036d8589120f4ac074f76b642fd15bd514e06f1453a9e6bb08ac39b
google-site-verification=uUUl4VEcS3MMU6isbRz61lC8RGDgWhSgl0O8tx4iWyQ
300s 6.0ms
SOA
Primary NS
kara.ns.cloudflare.com
Admin
dns@cloudflare.com
Serial: 2402038671 Refresh: 2h Retry: 40m Expire: 7d Min TTL: 30m
1800s 5.1ms
DNS Propagation Consistent
Resolver IPs Returned Response Time Status
Quad9 104.21.61.148 172.67.211.118 15.14ms
Google 104.21.61.148 172.67.211.118 18.0ms
AdGuard 104.21.61.148 172.67.211.118 51.51ms
OpenDNS 104.21.61.148 172.67.211.118 31.28ms
Cloudflare 104.21.61.148 172.67.211.118 4.23ms
WHOIS / Domain Registration
Registrar
Porkbun LLC
Created
2016-03-31
Updated
2026-03-30
Expires
2027-03-31
Name Servers (WHOIS)
kara.ns.cloudflare.com rick.ns.cloudflare.com
Domain Status
clientDeleteProhibited clientTransferProhibited
DNSSEC
Unsigned
WHOIS Last Checked
2026-04-20 18:33
Resolution Time (A/AAAA recent)
01:18 09:59
Time Type Values TTL Resolution Nameserver
09:59:47 SOA kara.ns.cloudflare.com dns.cloudflare.com 2402038671 10000 2400 604800 1800 1800s 5.1 ms 10.89.0.1
09:59:47 TXT brave-ledger-verification=484c72b08036d8589120f4ac074f76b642fd15bd514e06f1453a9… google-site-verification=uUUl4VEcS3MMU6isbRz61lC8RGDgWhSgl0O8tx4iWyQ v=spf1 include:_spf.mx.cloudflare.net ~all 300s 6.0 ms 10.89.0.1
09:59:47 NS kara.ns.cloudflare.com rick.ns.cloudflare.com 2259s 1.0 ms 10.89.0.1
09:59:47 MX 1 route3.mx.cloudflare.net 44 route1.mx.cloudflare.net 69 route2.mx.cloudflare.net 300s 5.1 ms 10.89.0.1
09:59:47 AAAA 2606:4700:3032::6815:3d94 2606:4700:3033::ac43:d376 300s 16.0 ms 10.89.0.1
09:59:47 A 172.67.211.118 104.21.61.148 300s 13.0 ms 10.89.0.1
08:37:41 SOA kara.ns.cloudflare.com dns.cloudflare.com 2402038671 10000 2400 604800 1800 1800s 6.0 ms 10.89.0.1
08:37:41 TXT brave-ledger-verification=484c72b08036d8589120f4ac074f76b642fd15bd514e06f1453a9… google-site-verification=uUUl4VEcS3MMU6isbRz61lC8RGDgWhSgl0O8tx4iWyQ v=spf1 include:_spf.mx.cloudflare.net ~all 300s 22.5 ms 10.89.0.1
08:37:41 NS kara.ns.cloudflare.com rick.ns.cloudflare.com 86400s 5.1 ms 10.89.0.1
08:37:41 MX 1 route3.mx.cloudflare.net 44 route1.mx.cloudflare.net 69 route2.mx.cloudflare.net 300s 6.4 ms 10.89.0.1
08:37:41 AAAA 2606:4700:3033::ac43:d376 2606:4700:3032::6815:3d94 300s 22.3 ms 10.89.0.1
08:37:41 A 104.21.61.148 172.67.211.118 300s 21.5 ms 10.89.0.1
05:21:38 SOA kara.ns.cloudflare.com dns.cloudflare.com 2402038671 10000 2400 604800 1800 1800s 4.2 ms 10.89.0.1
05:21:38 TXT brave-ledger-verification=484c72b08036d8589120f4ac074f76b642fd15bd514e06f1453a9… google-site-verification=uUUl4VEcS3MMU6isbRz61lC8RGDgWhSgl0O8tx4iWyQ v=spf1 include:_spf.mx.cloudflare.net ~all 300s 4.6 ms 10.89.0.1
05:21:38 NS kara.ns.cloudflare.com rick.ns.cloudflare.com 86400s 4.3 ms 10.89.0.1
05:21:38 MX 1 route3.mx.cloudflare.net 44 route1.mx.cloudflare.net 69 route2.mx.cloudflare.net 300s 13.4 ms 10.89.0.1
05:21:38 AAAA 2606:4700:3033::ac43:d376 2606:4700:3032::6815:3d94 300s 14.7 ms 10.89.0.1
05:21:38 A 104.21.61.148 172.67.211.118 300s 20.7 ms 10.89.0.1
02:40:49 SOA kara.ns.cloudflare.com dns.cloudflare.com 2402038671 10000 2400 604800 1800 1800s 6.6 ms 10.89.0.1
02:40:49 TXT brave-ledger-verification=484c72b08036d8589120f4ac074f76b642fd15bd514e06f1453a9… google-site-verification=uUUl4VEcS3MMU6isbRz61lC8RGDgWhSgl0O8tx4iWyQ v=spf1 include:_spf.mx.cloudflare.net ~all 300s 6.0 ms 10.89.0.1
02:40:49 NS kara.ns.cloudflare.com rick.ns.cloudflare.com 86400s 21.1 ms 10.89.0.1
02:40:49 MX 1 route3.mx.cloudflare.net 44 route1.mx.cloudflare.net 69 route2.mx.cloudflare.net 300s 6.5 ms 10.89.0.1
02:40:49 AAAA 2606:4700:3032::6815:3d94 2606:4700:3033::ac43:d376 300s 14.6 ms 10.89.0.1
02:40:49 A 172.67.211.118 104.21.61.148 300s 21.2 ms 10.89.0.1
01:18:23 SOA kara.ns.cloudflare.com dns.cloudflare.com 2402038671 10000 2400 604800 1800 1800s 5.1 ms 10.89.0.1
01:18:23 TXT brave-ledger-verification=484c72b08036d8589120f4ac074f76b642fd15bd514e06f1453a9… google-site-verification=uUUl4VEcS3MMU6isbRz61lC8RGDgWhSgl0O8tx4iWyQ v=spf1 include:_spf.mx.cloudflare.net ~all 300s 5.9 ms 10.89.0.1
01:18:23 NS kara.ns.cloudflare.com rick.ns.cloudflare.com 86400s 6.2 ms 10.89.0.1
01:18:23 MX 1 route3.mx.cloudflare.net 44 route1.mx.cloudflare.net 69 route2.mx.cloudflare.net 300s 6.3 ms 10.89.0.1
01:18:23 AAAA 2606:4700:3033::ac43:d376 2606:4700:3032::6815:3d94 300s 59.2 ms 10.89.0.1
01:18:23 A 172.67.211.118 104.21.61.148 300s 14.7 ms 10.89.0.1
22:50:37 SOA kara.ns.cloudflare.com dns.cloudflare.com 2402038671 10000 2400 604800 1800 1800s 21.4 ms 10.89.0.1
22:50:37 TXT brave-ledger-verification=484c72b08036d8589120f4ac074f76b642fd15bd514e06f1453a9… google-site-verification=uUUl4VEcS3MMU6isbRz61lC8RGDgWhSgl0O8tx4iWyQ v=spf1 include:_spf.mx.cloudflare.net ~all 300s 7.1 ms 10.89.0.1
22:50:37 NS kara.ns.cloudflare.com rick.ns.cloudflare.com 86400s 21.7 ms 10.89.0.1
22:50:37 MX 1 route3.mx.cloudflare.net 44 route1.mx.cloudflare.net 69 route2.mx.cloudflare.net 300s 21.4 ms 10.89.0.1
22:50:37 AAAA 2606:4700:3032::6815:3d94 2606:4700:3033::ac43:d376 300s 25.8 ms 10.89.0.1
22:50:37 A 172.67.211.118 104.21.61.148 300s 24.3 ms 10.89.0.1
17:18:15 SOA kara.ns.cloudflare.com dns.cloudflare.com 2402038671 10000 2400 604800 1800 1800s 5.0 ms 10.89.0.1
17:18:15 TXT brave-ledger-verification=484c72b08036d8589120f4ac074f76b642fd15bd514e06f1453a9… google-site-verification=uUUl4VEcS3MMU6isbRz61lC8RGDgWhSgl0O8tx4iWyQ v=spf1 include:_spf.mx.cloudflare.net ~all 300s 5.3 ms 10.89.0.1
17:18:15 NS kara.ns.cloudflare.com rick.ns.cloudflare.com 86400s 7.4 ms 10.89.0.1
17:18:15 MX 1 route3.mx.cloudflare.net 44 route1.mx.cloudflare.net 69 route2.mx.cloudflare.net 300s 20.2 ms 10.89.0.1
17:18:15 AAAA 2606:4700:3033::ac43:d376 2606:4700:3032::6815:3d94 300s 24.6 ms 10.89.0.1
17:18:15 A 104.21.61.148 172.67.211.118 300s 21.1 ms 10.89.0.1
16:08:37 SOA kara.ns.cloudflare.com dns.cloudflare.com 2402038671 10000 2400 604800 1800 1800s 22.9 ms 10.89.0.1
16:08:37 TXT brave-ledger-verification=484c72b08036d8589120f4ac074f76b642fd15bd514e06f1453a9… google-site-verification=uUUl4VEcS3MMU6isbRz61lC8RGDgWhSgl0O8tx4iWyQ v=spf1 include:_spf.mx.cloudflare.net ~all 300s 37.8 ms 10.89.0.1
16:08:37 NS rick.ns.cloudflare.com kara.ns.cloudflare.com 21600s 22.9 ms 10.89.0.1
16:08:37 MX 44 route1.mx.cloudflare.net 1 route3.mx.cloudflare.net 69 route2.mx.cloudflare.net 300s 23.1 ms 10.89.0.1
16:08:37 AAAA 2606:4700:3032::6815:3d94 2606:4700:3033::ac43:d376 300s 21.2 ms 10.89.0.1
16:08:37 A 104.21.61.148 172.67.211.118 300s 38.1 ms 10.89.0.1
Open Ports 27
Open Ports
27
IPs Scanned
27
Port Protocol Service IP Address Status Latency Banner
80 TCP http 2606:4700:3033::ac43:d376 Open 2.7 ms
80 TCP http 172.67.211.118 Open 8.6 ms
80 TCP http 104.21.61.148 Open 1.7 ms
443 TCP https 172.67.211.118 Open 8.6 ms
443 TCP https 104.21.61.148 Open 1.7 ms
443 TCP https 2606:4700:3033::ac43:d376 Open 2.5 ms
2082 TCP cpanel 172.67.211.118 Open 7.6 ms
2082 TCP cpanel 104.21.61.148 Open 1.8 ms
2082 TCP cpanel 2606:4700:3033::ac43:d376 Open 3.0 ms
2083 TCP cpanel-ssl 2606:4700:3033::ac43:d376 Open 2.9 ms
2083 TCP cpanel-ssl 104.21.61.148 Open 1.9 ms
2083 TCP cpanel-ssl 172.67.211.118 Open 7.4 ms
2086 TCP whm 2606:4700:3033::ac43:d376 Open 2.2 ms
2086 TCP whm 172.67.211.118 Open 7.2 ms
2086 TCP whm 104.21.61.148 Open 2.8 ms
2087 TCP whm-ssl 2606:4700:3033::ac43:d376 Open 2.8 ms
2087 TCP whm-ssl 104.21.61.148 Open 2.2 ms
2087 TCP whm-ssl 172.67.211.118 Open 8.0 ms
8080 TCP http-alt 2606:4700:3033::ac43:d376 Open 1.8 ms
8080 TCP http-alt 104.21.61.148 Open 2.3 ms
8080 TCP http-alt 172.67.211.118 Open 8.8 ms
8443 TCP https-alt 2606:4700:3033::ac43:d376 Open 8.3 ms
8443 TCP https-alt 172.67.211.118 Open 8.3 ms
8443 TCP https-alt 104.21.61.148 Open 3.0 ms
8880 TCP cddbp-alt 2606:4700:3033::ac43:d376 Open 8.8 ms
8880 TCP cddbp-alt 104.21.61.148 Open 2.4 ms
8880 TCP cddbp-alt 172.67.211.118 Open 8.2 ms
Active IP Addresses
IP Address Version Reverse DNS CIDR Country City ASN Reputation First Seen Last DNS Hits Misses Uptime % Avg Latency
2606:4700:3033::ac43:d376 IPv6 2606:4700:3033::/48 AS13335 Cloudflare, Inc. Clean 2026-04-19 17:02 2026-04-22 09:59 8 0 100.0% 5.8 ms
2606:4700:3032::6815:3d94 IPv6 2606:4700:3032::/48 AS13335 Cloudflare, Inc. Clean 2026-04-19 17:02 2026-04-22 09:59 8 0 100.0% 6.4 ms
172.67.211.118 IPv4 172.67.211.0/24 AS13335 Cloudflare, Inc. Clean 2026-04-19 17:02 2026-04-22 09:59 8 0 100.0% 5.6 ms
104.21.61.148 IPv4 104.21.61.0/24 AS13335 Cloudflare, Inc. Clean 2026-04-19 17:02 2026-04-22 09:59 8 0 100.0% 5.7 ms
162.159.205.23 IPv4 route3.mx.cloudflare.net 2026-04-20 12:53 2026-04-20 12:53 0 0
162.159.205.19 IPv4 route2.mx.cloudflare.net 2026-04-20 12:53 2026-04-20 12:53 0 0
162.159.205.12 IPv4 route1.mx.cloudflare.net 2026-04-20 12:53 2026-04-20 12:53 0 0
162.159.205.13 IPv4 route1.mx.cloudflare.net 2026-04-19 20:39 2026-04-19 20:39 0 0
162.159.205.25 IPv4 route3.mx.cloudflare.net 2026-04-19 20:39 2026-04-19 20:39 0 0
162.159.205.17 IPv4 route2.mx.cloudflare.net 2026-04-19 20:39 2026-04-19 20:39 0 0
Technology
Technology Stack 13 detected
HTTP/2
HTTP/3 (QUIC)
13
Technologies
Analytics 1
Analytics script
CDN 1
CF-Ray header present
DNS 1
NS record: kara.ns.cloudflare.com
Email 2
MX record: 1 route3.mx.cloudflare.net
SPF Record
85%
TXT SPF: v=spf1 include:_spf.mx.cloudflare.net ~all
Library 1
70%
Preact identifier
Payment 1
Open Collective
Platform 1
X-NF-Request-Id header
Protocol 1
HTTP/3 (QUIC)
90%
Alt-Svc h3 advertised
Service 1
DocSearch by Algolia
Social 2
Open Graph meta tags
Twitter Card meta
Verification 1
TXT verification: google-site-verification=uUUl4VEcS3MMU6isbRz61lC8RGDgWhSgl0O8…
Technology Provider 1 tech · 1 sites

This domain provides technology used by other monitored sites.

Discovery
Crawl Configuration
robots.txt No sitemap
robots.txt
User-agent: *
Disallow:
Sitemap

No sitemap discovered.
Checked /robots.txt, /sitemap.xml, and /sitemap_index.xml

Discovered Sub-domains 4
Wordlist Brute-force 4
Subdomain Source Status Code Response IPs Last Checked
chat.preactjs.com Wordlist Brute-force Pending Never
legacy.preactjs.com Wordlist Brute-force Pending Never
new.preactjs.com Wordlist Brute-force Pending Never
www.preactjs.com Wordlist Brute-force Pending Never