expressjs.com
A
24 hours
100.00%
7 days
100.00%
30 days
100.00%
IPv4 / IPv6
2
2
SSL Certificate
62d
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/expressjs.com/) |
<a href="https://updown.website/site/expressjs.com/"><img src="https://updown.website/badge/expressjs.com/status.svg" alt="Status"></a> |
|
[](https://updown.website/site/expressjs.com/) |
<a href="https://updown.website/site/expressjs.com/"><img src="https://updown.website/badge/expressjs.com/uptime.svg" alt="Uptime"></a> |
|
[](https://updown.website/site/expressjs.com/) |
<a href="https://updown.website/site/expressjs.com/"><img src="https://updown.website/badge/expressjs.com/response-time.svg" alt="Response Time"></a> |
|
[](https://updown.website/site/expressjs.com/) |
<a href="https://updown.website/site/expressjs.com/"><img src="https://updown.website/badge/expressjs.com/ssl.svg" alt="SSL"></a> |
|
[](https://updown.website/site/expressjs.com/) |
<a href="https://updown.website/site/expressjs.com/"><img src="https://updown.website/badge/expressjs.com/cwv.svg" alt="Performance"></a> |
|
[](https://updown.website/site/expressjs.com/) |
<a href="https://updown.website/site/expressjs.com/"><img src="https://updown.website/badge/expressjs.com/cwv.svg?category=accessibility" alt="Accessibility"></a> |
|
[](https://updown.website/site/expressjs.com/) |
<a href="https://updown.website/site/expressjs.com/"><img src="https://updown.website/badge/expressjs.com/cwv.svg?category=seo" alt="SEO"></a> |
|
[](https://updown.website/site/expressjs.com/) |
<a href="https://updown.website/site/expressjs.com/"><img src="https://updown.website/badge/expressjs.com/security-headers.svg" alt="Security Headers"></a> |
|
[](https://updown.website/site/expressjs.com/) |
<a href="https://updown.website/site/expressjs.com/"><img src="https://updown.website/badge/expressjs.com/uptime.svg?period=24h" alt="Uptime 24h"></a> |
|
[](https://updown.website/site/expressjs.com/) |
<a href="https://updown.website/site/expressjs.com/"><img src="https://updown.website/badge/expressjs.com/incidents.svg" alt="Incidents"></a> |
|
[](https://updown.website/site/expressjs.com/) |
<a href="https://updown.website/site/expressjs.com/"><img src="https://updown.website/badge/expressjs.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
1087 ms
Min / Max
45
/
4207 ms
Recent Checks
12:06
09:10
| Time | Status | Code | Response | Agent | Error |
|---|---|---|---|---|---|
| 09:10:05 | UP | 200 | 113 ms | prod-local | — |
| 06:44:49 | UP | 200 | 55 ms | prod-local | — |
| 04:45:49 | UP | 200 | 4048 ms | prod-local | — |
| 01:25:56 | UP | 200 | 4207 ms | prod-local | — |
| 22:58:14 | UP | 200 | 70 ms | prod-local | — |
| 17:54:15 | UP | 200 | 45 ms | prod-local | — |
| 16:44:53 | UP | 200 | 62 ms | prod-local | — |
| 12:06:52 | UP | 200 | 97 ms | prod-local | — |
Incident History
No incidents recorded — all clear!
Service Checks (Banner Grab)
9 up
0 down
| Status | Port | Service | Version | IP | Banner | Latency | Checked |
|---|---|---|---|---|---|---|---|
80 |
http | cloudflare | 2606:4700::6812:bdd |
HTTP/1.1 301 Moved Permanently Date: Wed, 22 Apr 2026 04:53:30 GMT Connection… | 2.3 ms | 7 hours ago | |
443 |
https | — | 2606:4700::6812:bdd |
— | 503.8 ms | 7 hours ago | |
2082 |
cpanel | — | 2606:4700::6812:bdd |
— | 2004.2 ms | 7 hours ago | |
2083 |
cpanel-ssl | — | 2606:4700::6812:bdd |
— | 2004.2 ms | 7 hours ago | |
2086 |
whm | — | 2606:4700::6812:bdd |
— | 2004.1 ms | 7 hours ago | |
2087 |
whm-ssl | — | 2606:4700::6812:bdd |
— | 2005.9 ms | 7 hours ago | |
8080 |
http | cloudflare | 2606:4700::6812:bdd |
HTTP/1.1 301 Moved Permanently Date: Wed, 22 Apr 2026 04:53:32 GMT Connection… | 2.8 ms | 7 hours ago | |
8443 |
https-alt | — | 2606:4700::6812:bdd |
— | 503.5 ms | 7 hours ago | |
8880 |
cddbp-alt | — | 2606:4700::6812:bdd |
— | 2005.3 ms | 7 hours ago |
Security
SSL / TLS Certificate
62
days left
Valid
Mar 26, 2026
Jun 24, 2026
Issued → Expires
| Subject | commonName=expressjs.com |
|---|---|
| Issuer | countryName=US, organizationName=Google Trust Services, commonName=WE1 |
| Valid From | 2026-03-26 00:15 |
| Expires | 2026-06-24 01:15 |
| Serial Number | 7A97D02E1DAB56F80E16A59F1E6340D6 |
| SHA-256 Fingerprint | 55:44:fe:32:40:5a:40:27:69:61:54:c9:91:09:4d:ba:04:83:f5:c2:f0:a1:f9:87:87:7d:d3:b2:43:28:6c:fb |
| Subject Alt Names | expressjs.com *.expressjs.com |
| Last Checked | 2026-04-22 09:10:06 |
Latest HTTP Response Details
| Final URL | https://expressjs.com/ |
|---|---|
| Status Code | 200 |
| Response Time | 113 ms |
| Content Size | 36 KB (36.4 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 09:10:05 |
Security Headers
0/6
| Header | Status | Value |
|---|---|---|
Strict-Transport-Security |
Missing | — |
Content-Security-Policy |
Missing | — |
X-Frame-Options |
Missing | — |
X-Content-Type-Options |
Missing | — |
Referrer-Policy |
Missing | — |
Permissions-Policy |
Missing | — |
Email Security Posture
MX Records
SPF
DMARC
BIMI
MTA-STS
Weak
Overall
DNS & Network
DNS Intelligence (24h)
Avg Resolution
18.9 ms
Min / Max
5.0
/
65.1 ms
Record Types
4
Lookups (24h)
32
DNS Records
A
104.18.10.221
104.18.11.221
300s
21.5ms
AAAA
2606:4700::6812:bdd
2606:4700::6812:add
300s
5.8ms
NS
nash.ns.cloudflare.com
val.ns.cloudflare.com
86400s
5.4ms
SOA
Primary NS
nash.ns.cloudflare.com
Admin
dns@cloudflare.com
Serial: 2400079418
Refresh: 2h
Retry: 40m
Expire: 7d
Min TTL: 30m
1800s
4.6ms
DNS Propagation Consistent
| Resolver | IPs Returned | Response Time | Status |
|---|---|---|---|
| Quad9 |
104.18.10.221
104.18.11.221
|
11.33ms | |
104.18.10.221
104.18.11.221
|
19.83ms | ||
| AdGuard |
104.18.10.221
104.18.11.221
|
19.41ms | |
| OpenDNS |
104.18.10.221
104.18.11.221
|
101.24ms | |
| Cloudflare |
104.18.10.221
104.18.11.221
|
5.5ms |
WHOIS / Domain Registration
Registrar
1API GmbH
Registrant Organization
REDACTED FOR PRIVACY
Created
2010-03-15
Updated
2026-03-10
Expires
2027-03-15
Name Servers (WHOIS)
nash.ns.cloudflare.com
val.ns.cloudflare.com
Domain Status
clientTransferProhibited
DNSSEC
Unsigned
Country
US
WHOIS Last Checked
2026-04-20 22:29
Resolution Time (A/AAAA recent)
22:58
09:10
| Time | Type | Values | TTL | Resolution | Nameserver |
|---|---|---|---|---|---|
| 09:10:05 | SOA |
nash.ns.cloudflare.com dns.cloudflare.com 2400079418 10000 2400 604800 1800
|
1800s | 4.6 ms | 10.89.0.1 |
| 09:10:05 | NS |
nash.ns.cloudflare.com
val.ns.cloudflare.com
|
86400s | 5.4 ms | 10.89.0.1 |
| 09:10:05 | AAAA |
2606:4700::6812:bdd
2606:4700::6812:add
|
300s | 5.8 ms | 10.89.0.1 |
| 09:10:05 | A |
104.18.10.221
104.18.11.221
|
300s | 21.5 ms | 10.89.0.1 |
| 06:44:48 | SOA |
nash.ns.cloudflare.com dns.cloudflare.com 2400079418 10000 2400 604800 1800
|
1800s | 5.0 ms | 10.89.0.1 |
| 06:44:48 | NS |
nash.ns.cloudflare.com
val.ns.cloudflare.com
|
86400s | 21.8 ms | 10.89.0.1 |
| 06:44:48 | AAAA |
2606:4700::6812:bdd
2606:4700::6812:add
|
300s | 6.0 ms | 10.89.0.1 |
| 06:44:48 | A |
104.18.10.221
104.18.11.221
|
300s | 6.4 ms | 10.89.0.1 |
| 04:45:49 | SOA |
nash.ns.cloudflare.com dns.cloudflare.com 2400079418 10000 2400 604800 1800
|
1800s | 20.6 ms | 10.89.0.1 |
| 04:45:49 | NS |
nash.ns.cloudflare.com
val.ns.cloudflare.com
|
2079s | 1.0 ms | 10.89.0.1 |
| 04:45:48 | AAAA |
2606:4700::6812:bdd
2606:4700::6812:add
|
300s | 22.0 ms | 10.89.0.1 |
| 04:45:48 | A |
104.18.10.221
104.18.11.221
|
300s | 13.8 ms | 10.89.0.1 |
| 01:25:56 | SOA |
nash.ns.cloudflare.com dns.cloudflare.com 2400079418 10000 2400 604800 1800
|
1800s | 4.7 ms | 10.89.0.1 |
| 01:25:56 | NS |
nash.ns.cloudflare.com
val.ns.cloudflare.com
|
86400s | 22.1 ms | 10.89.0.1 |
| 01:25:56 | AAAA |
2606:4700::6812:add
2606:4700::6812:bdd
|
300s | 17.4 ms | 10.89.0.1 |
| 01:25:56 | A |
104.18.10.221
104.18.11.221
|
300s | 24.1 ms | 10.89.0.1 |
| 22:58:13 | SOA |
nash.ns.cloudflare.com dns.cloudflare.com 2400079418 10000 2400 604800 1800
|
1800s | 19.6 ms | 10.89.0.1 |
| 22:58:13 | NS |
nash.ns.cloudflare.com
val.ns.cloudflare.com
|
86400s | 21.9 ms | 10.89.0.1 |
| 22:58:13 | AAAA |
2606:4700::6812:add
2606:4700::6812:bdd
|
300s | 5.2 ms | 10.89.0.1 |
| 22:58:13 | A |
104.18.11.221
104.18.10.221
|
300s | 65.1 ms | 10.89.0.1 |
| 17:54:15 | SOA |
nash.ns.cloudflare.com dns.cloudflare.com 2400079418 10000 2400 604800 1800
|
1800s | 4.8 ms | 10.89.0.1 |
| 17:54:15 | NS |
val.ns.cloudflare.com
nash.ns.cloudflare.com
|
3036s | 0.9 ms | 10.89.0.1 |
| 17:54:15 | AAAA |
2606:4700::6812:bdd
2606:4700::6812:add
|
300s | 5.0 ms | 10.89.0.1 |
| 17:54:15 | A |
104.18.10.221
104.18.11.221
|
300s | 12.5 ms | 10.89.0.1 |
| 16:44:52 | SOA |
nash.ns.cloudflare.com dns.cloudflare.com 2400079418 10000 2400 604800 1800
|
1800s | 5.4 ms | 10.89.0.1 |
| 16:44:52 | NS |
nash.ns.cloudflare.com
val.ns.cloudflare.com
|
86400s | 5.7 ms | 10.89.0.1 |
| 16:44:52 | AAAA |
2606:4700::6812:bdd
2606:4700::6812:add
|
300s | 5.8 ms | 10.89.0.1 |
| 16:44:52 | A |
104.18.11.221
104.18.10.221
|
300s | 15.5 ms | 10.89.0.1 |
| 12:06:51 | SOA |
nash.ns.cloudflare.com dns.cloudflare.com 2400079418 10000 2400 604800 1800
|
1800s | 28.0 ms | 10.89.0.1 |
| 12:06:51 | NS |
val.ns.cloudflare.com
nash.ns.cloudflare.com
|
21600s | 36.5 ms | 10.89.0.1 |
| 12:06:51 | AAAA |
2606:4700::6812:add
2606:4700::6812:bdd
|
300s | 35.1 ms | 10.89.0.1 |
| 12:06:51 | A |
104.18.10.221
104.18.11.221
|
300s | 40.5 ms | 10.89.0.1 |
Open Ports
18
Open Ports
18
IPs Scanned
18
| Port | Protocol | Service | IP Address | Status | Latency | Banner |
|---|---|---|---|---|---|---|
80 |
TCP | http | 104.18.11.221 |
Open | 5.0 ms | — |
80 |
TCP | http | 2606:4700::6812:bdd |
Open | 4.7 ms | — |
443 |
TCP | https | 104.18.11.221 |
Open | 2.2 ms | — |
443 |
TCP | https | 2606:4700::6812:bdd |
Open | 2.5 ms | — |
2082 |
TCP | cpanel | 104.18.11.221 |
Open | 42.8 ms | — |
2082 |
TCP | cpanel | 2606:4700::6812:bdd |
Open | 2.5 ms | — |
2083 |
TCP | cpanel-ssl | 104.18.11.221 |
Open | 42.8 ms | — |
2083 |
TCP | cpanel-ssl | 2606:4700::6812:bdd |
Open | 2.9 ms | — |
2086 |
TCP | whm | 104.18.11.221 |
Open | 2.3 ms | — |
2086 |
TCP | whm | 2606:4700::6812:bdd |
Open | 4.7 ms | — |
2087 |
TCP | whm-ssl | 2606:4700::6812:bdd |
Open | 4.5 ms | — |
2087 |
TCP | whm-ssl | 104.18.11.221 |
Open | 2.3 ms | — |
8080 |
TCP | http-alt | 2606:4700::6812:bdd |
Open | 1.8 ms | — |
8080 |
TCP | http-alt | 104.18.11.221 |
Open | 1020.7 ms | — |
8443 |
TCP | https-alt | 104.18.11.221 |
Open | 1023.1 ms | — |
8443 |
TCP | https-alt | 2606:4700::6812:bdd |
Open | 2.5 ms | — |
8880 |
TCP | cddbp-alt | 104.18.11.221 |
Open | 2.2 ms | — |
8880 |
TCP | cddbp-alt | 2606:4700::6812:bdd |
Open | 3.3 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::6812:add |
IPv6 | — |
2606:4700::/48
|
— | — | AS13335 Cloudflare, Inc. | Clean | 2026-04-19 17:35 | 2026-04-22 09:10 | 8 | 0 | 100.0% | 5.3 ms |
2606:4700::6812:bdd |
IPv6 | — |
2606:4700::/48
|
— | — | AS13335 Cloudflare, Inc. | Clean | 2026-04-19 17:35 | 2026-04-22 09:10 | 8 | 0 | 100.0% | 5.0 ms |
104.18.11.221 |
IPv4 | — |
104.18.11.0/24
|
— | — | AS13335 Cloudflare, Inc. | Clean | 2026-04-19 17:35 | 2026-04-22 09:10 | 8 | 0 | 100.0% | 4.7 ms |
104.18.10.221 |
IPv4 | — |
104.18.10.0/24
|
— | — | AS13335 Cloudflare, Inc. | Clean | 2026-04-19 17:35 | 2026-04-22 09:10 | 8 | 0 | 100.0% | 4.2 ms |
Technology
Technology Stack
13 detected
HTTP/2
HTTP/3 (QUIC)
13
Technologies
API
1
Public CORS API
CORS wildcard origin
CDN
3
Cache
2
DNS
1
NS record: nash.ns.cloudflare.com
Payment
1
Open Collective
Platform
1
X-GitHub-Request-Id header
Social
2
Technology Provider
1 tech · 1 sites
This domain provides technology used by other monitored sites.
Express.js
Discovery
Crawl Configuration
robots.txt 404
Sitemap
· 534 URLs
robots.txt
No robots.txt found (HTTP 404)
Discovered Sub-domains
1
Wordlist Brute-force
1
| Subdomain | Source | Status | Code | Response | IPs | Last Checked |
|---|---|---|---|---|---|---|
www.expressjs.com |
Wordlist Brute-force | UP | 200 | 86 ms |
2606:4700::6812:add,
2606:4700::6812:bdd
|
1 day, 5 hours ago |