clerk.com
B
24 hours
100.00%
7 days
100.00%
30 days
100.00%
IPv4 / IPv6
6
0
SSL Certificate
46d
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/clerk.com/) |
<a href="https://updown.website/site/clerk.com/"><img src="https://updown.website/badge/clerk.com/status.svg" alt="Status"></a> |
|
[](https://updown.website/site/clerk.com/) |
<a href="https://updown.website/site/clerk.com/"><img src="https://updown.website/badge/clerk.com/uptime.svg" alt="Uptime"></a> |
|
[](https://updown.website/site/clerk.com/) |
<a href="https://updown.website/site/clerk.com/"><img src="https://updown.website/badge/clerk.com/response-time.svg" alt="Response Time"></a> |
|
[](https://updown.website/site/clerk.com/) |
<a href="https://updown.website/site/clerk.com/"><img src="https://updown.website/badge/clerk.com/ssl.svg" alt="SSL"></a> |
|
[](https://updown.website/site/clerk.com/) |
<a href="https://updown.website/site/clerk.com/"><img src="https://updown.website/badge/clerk.com/cwv.svg" alt="Performance"></a> |
|
[](https://updown.website/site/clerk.com/) |
<a href="https://updown.website/site/clerk.com/"><img src="https://updown.website/badge/clerk.com/cwv.svg?category=accessibility" alt="Accessibility"></a> |
|
[](https://updown.website/site/clerk.com/) |
<a href="https://updown.website/site/clerk.com/"><img src="https://updown.website/badge/clerk.com/cwv.svg?category=seo" alt="SEO"></a> |
|
[](https://updown.website/site/clerk.com/) |
<a href="https://updown.website/site/clerk.com/"><img src="https://updown.website/badge/clerk.com/security-headers.svg" alt="Security Headers"></a> |
|
[](https://updown.website/site/clerk.com/) |
<a href="https://updown.website/site/clerk.com/"><img src="https://updown.website/badge/clerk.com/uptime.svg?period=24h" alt="Uptime 24h"></a> |
|
[](https://updown.website/site/clerk.com/) |
<a href="https://updown.website/site/clerk.com/"><img src="https://updown.website/badge/clerk.com/incidents.svg" alt="Incidents"></a> |
|
[](https://updown.website/site/clerk.com/) |
<a href="https://updown.website/site/clerk.com/"><img src="https://updown.website/badge/clerk.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
9
Success Rate
100%
Avg Response
3579 ms
Min / Max
2050
/
6300 ms
Recent Checks
15:09
11:50
| Time | Status | Code | Response | Agent | Error |
|---|---|---|---|---|---|
| 11:50:42 | UP | 200 | 2236 ms | prod-local | — |
| 09:12:59 | UP | 200 | 3823 ms | prod-local | — |
| 06:47:50 | UP | 200 | 6300 ms | prod-local | — |
| 04:49:14 | UP | 200 | 2050 ms | prod-local | — |
| 01:52:55 | UP | 200 | 3573 ms | prod-local | — |
| 00:48:56 | UP | 200 | 4029 ms | prod-local | — |
| 21:53:32 | UP | 200 | 3952 ms | prod-local | — |
| 17:13:50 | UP | 200 | 2115 ms | prod-local | — |
| 15:09:03 | UP | 200 | 4135 ms | prod-local | — |
Incident History
No incidents recorded — all clear!
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
aspmx.l.google.com |
25 |
142.251.16.27 |
TLSv1.3 | — | bl-in-f27.1e100.net | 220 mx.google.com ESMTP d75a77b69052e-50e394d8a4bsi93377461… | 15.1 ms | 2 days, 15 hours ago | |||||
aspmx.l.google.com |
465 |
142.251.16.27 |
— | — | — | — | — | 10002.5 ms | 2 days, 15 hours ago | ||||
aspmx.l.google.com |
587 |
142.251.16.27 |
— | — | — | — | — | 10008.9 ms | 2 days, 15 hours ago |
Service Checks (Banner Grab)
1 up
2 down
No service checks yet. The agent will banner-grab discovered open ports on the next deep cycle.
Security
SSL / TLS Certificate
46
days left
Valid
Mar 10, 2026
Jun 8, 2026
Issued → Expires
| Subject | commonName=clerk.com |
|---|---|
| Issuer | countryName=US, organizationName=Let's Encrypt, commonName=R12 |
| Valid From | 2026-03-10 01:11 |
| Expires | 2026-06-08 01:11 |
| Serial Number | 056B8D83EA7F8DA4CC612B236D81EE57AD78 |
| SHA-256 Fingerprint | 97:13:08:63:94:9c:14:31:a0:2a:f0:3e:ae:05:7f:18:a3:fb:74:67:b6:e7:00:b7:1f:8a:2f:31:2b:73:70:aa |
| Subject Alt Names | clerk.com |
| Last Checked | 2026-04-22 11:50:42 |
Latest HTTP Response Details
| Final URL | https://clerk.com/ |
|---|---|
| Status Code | 200 |
| Response Time | 2236 ms |
| Content Size | 1177 KB (1.1 MB) |
| Content Type | text/html; charset=utf-8 |
| Server | Vercel |
| TLS Version | TLSv1.3 |
|---|---|
| TLS Cipher | TLS_AES_128_GCM_SHA256 |
| Redirects | 0 |
| Checked | 2026-04-22 11:50:42 |
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
Details
v=spf1 include:_spf.google.com ~all
DMARC
BIMI
MTA-STS
Partial
Overall
DNS & Network
DNS Intelligence (24h)
Avg Resolution
22.4 ms
Min / Max
17.7
/
42.3 ms
Record Types
5
Lookups (24h)
54
DNS Records
A
76.76.21.21
60s
18.3ms
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
21.1ms
NS
dns1.easydns.com
dns2.easydns.net
dns3.easydns.ca
ns1.dnsimple.com
ns2.dnsimple.com
ns3.dnsimple.com
ns4.dnsimple-edge.org
3600s
19.4ms
TXT
SPF
(1)
v=spf1 include:_spf.google.com ~all
Domain Verification
(4)
facebook-domain-verification=eryo8iycag42tq5bblk5eqbeyr05er
google-site-verification=0Euha-dNJyVBz1uzPctmygqAzJVrrLrwH5fjF2gtzC8
google-site-verification=I3pW-9V6U96n5a3JuKNwvWI8LDBID7VhZC7y_Gj0EJA
google-site-verification=__ETgR0hDm4DdUsLbaP5-AezL9IEwX8N4yg3FZQO9aA
TXT Record
(1)
j0k3qmnogs
60s
42.2ms
SOA
Primary NS
axfr.dnsimple.com
Admin
admin@dnsimple.com
Serial: 1669667285
Refresh: 1d
Retry: 2h
Expire: 7d
Min TTL: 5m
3600s
18.4ms
Resolution Time (A/AAAA recent)
01:52
11:50
| Time | Type | Values | TTL | Resolution | Nameserver |
|---|---|---|---|---|---|
| 11:50:42 | SOA |
axfr.dnsimple.com admin.dnsimple.com 1669667285 86400 7200 604800 300
|
3600s | 18.4 ms | 10.89.0.1 |
| 11:50:42 | TXT |
6 records
|
60s | 42.2 ms | 10.89.0.1 |
| 11:50:42 | NS |
dns1.easydns.com
dns2.easydns.net
dns3.easydns.ca
ns1.dnsimple.com
ns2.dnsimple.com
ns3.dnsimple.com
ns4.dnsimple-edge.org
|
3600s | 19.4 ms | 10.89.0.1 |
| 11:50:42 | 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 | 21.1 ms | 10.89.0.1 |
| 11:50:42 | AAAA | — | — | 42.3 ms | — |
| 11:50:42 | A |
76.76.21.21
|
60s | 18.3 ms | 10.89.0.1 |
| 09:12:59 | SOA |
axfr.dnsimple.com admin.dnsimple.com 1669667285 86400 7200 604800 300
|
3600s | 18.1 ms | 10.89.0.1 |
| 09:12:59 | TXT |
6 records
|
60s | 20.6 ms | 10.89.0.1 |
| 09:12:59 | NS |
dns1.easydns.com
dns2.easydns.net
dns3.easydns.ca
ns1.dnsimple.com
ns2.dnsimple.com
ns3.dnsimple.com
ns4.dnsimple-edge.org
|
3600s | 18.8 ms | 10.89.0.1 |
| 09:12:59 | 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 | 18.6 ms | 10.89.0.1 |
| 09:12:59 | AAAA | — | — | 29.3 ms | — |
| 09:12:59 | A |
76.76.21.21
|
60s | 18.1 ms | 10.89.0.1 |
| 06:47:50 | SOA |
axfr.dnsimple.com admin.dnsimple.com 1669667285 86400 7200 604800 300
|
3600s | 19.3 ms | 10.89.0.1 |
| 06:47:50 | TXT |
6 records
|
60s | 18.1 ms | 10.89.0.1 |
| 06:47:50 | NS |
dns1.easydns.com
dns2.easydns.net
dns3.easydns.ca
ns1.dnsimple.com
ns2.dnsimple.com
ns3.dnsimple.com
ns4.dnsimple-edge.org
|
3600s | 21.7 ms | 10.89.0.1 |
| 06:47:50 | 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 | 23.5 ms | 10.89.0.1 |
| 06:47:50 | AAAA | — | — | 17.7 ms | — |
| 06:47:50 | A |
76.76.21.21
|
60s | 19.4 ms | 10.89.0.1 |
| 04:49:14 | SOA |
axfr.dnsimple.com admin.dnsimple.com 1669667285 86400 7200 604800 300
|
3600s | 17.7 ms | 10.89.0.1 |
| 04:49:14 | TXT |
6 records
|
60s | 19.1 ms | 10.89.0.1 |
| 04:49:14 | NS |
dns1.easydns.com
dns2.easydns.net
dns3.easydns.ca
ns1.dnsimple.com
ns2.dnsimple.com
ns3.dnsimple.com
ns4.dnsimple-edge.org
|
3600s | 19.5 ms | 10.89.0.1 |
| 04:49:14 | 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 | 19.7 ms | 10.89.0.1 |
| 04:49:14 | AAAA | — | — | 19.2 ms | — |
| 04:49:14 | A |
76.76.21.21
|
60s | 18.3 ms | 10.89.0.1 |
| 01:52:54 | SOA |
axfr.dnsimple.com admin.dnsimple.com 1669667279 86400 7200 604800 300
|
3600s | 25.2 ms | 10.89.0.1 |
| 01:52:54 | TXT |
6 records
|
60s | 20.6 ms | 10.89.0.1 |
| 01:52:54 | NS |
ns3.dnsimple.com
ns1.dnsimple.com
dns1.easydns.com
ns4.dnsimple-edge.org
dns3.easydns.ca
ns2.dnsimple.com
dns2.easydns.net
|
3600s | 25.9 ms | 10.89.0.1 |
| 01:52:54 | MX |
5 alt2.aspmx.l.google.com
1 aspmx.l.google.com
5 alt1.aspmx.l.google.com
10 alt3.aspmx.l.google.com
10 alt4.aspmx.l.google.com
|
3600s | 21.4 ms | 10.89.0.1 |
| 01:52:54 | AAAA | — | — | 24.9 ms | — |
| 01:52:54 | A |
76.76.21.21
|
60s | 31.3 ms | 10.89.0.1 |
| 00:48:55 | SOA |
axfr.dnsimple.com admin.dnsimple.com 1669667279 86400 7200 604800 300
|
3600s | 24.4 ms | 10.89.0.1 |
| 00:48:55 | TXT |
6 records
|
60s | 24.2 ms | 10.89.0.1 |
| 00:48:55 | NS |
dns3.easydns.ca
ns4.dnsimple-edge.org
ns2.dnsimple.com
ns3.dnsimple.com
dns1.easydns.com
ns1.dnsimple.com
dns2.easydns.net
|
3600s | 25.1 ms | 10.89.0.1 |
| 00:48:55 | MX |
10 alt4.aspmx.l.google.com
5 alt1.aspmx.l.google.com
5 alt2.aspmx.l.google.com
10 alt3.aspmx.l.google.com
1 aspmx.l.google.com
|
530s | 14.3 ms | 10.89.0.1 |
| 00:48:55 | AAAA | — | — | 22.1 ms | — |
| 00:48:55 | A |
76.76.21.21
|
60s | 24.5 ms | 10.89.0.1 |
| 21:53:31 | SOA |
axfr.dnsimple.com admin.dnsimple.com 1669667279 86400 7200 604800 300
|
3600s | 18.2 ms | 10.89.0.1 |
| 21:53:31 | TXT |
6 records
|
60s | 17.5 ms | 10.89.0.1 |
| 21:53:31 | NS |
dns1.easydns.com
dns2.easydns.net
dns3.easydns.ca
ns1.dnsimple.com
ns2.dnsimple.com
ns3.dnsimple.com
ns4.dnsimple-edge.org
|
3600s | 20.3 ms | 10.89.0.1 |
| 21:53:31 | 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 | 5.8 ms | 10.89.0.1 |
| 21:53:31 | AAAA | — | — | 19.1 ms | — |
| 21:53:31 | A |
76.76.21.21
|
60s | 18.2 ms | 10.89.0.1 |
| 17:13:49 | SOA |
axfr.dnsimple.com admin.dnsimple.com 1669667279 86400 7200 604800 300
|
3600s | 20.0 ms | 10.89.0.1 |
| 17:13:49 | TXT |
6 records
|
60s | 20.0 ms | 10.89.0.1 |
| 17:13:49 | NS |
dns1.easydns.com
dns2.easydns.net
dns3.easydns.ca
ns1.dnsimple.com
ns2.dnsimple.com
ns3.dnsimple.com
ns4.dnsimple-edge.org
|
3600s | 18.5 ms | 10.89.0.1 |
| 17:13:49 | 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 | 20.1 ms | 10.89.0.1 |
| 17:13:49 | AAAA | — | — | 18.3 ms | — |
| 17:13:49 | A |
76.76.21.21
|
60s | 18.4 ms | 10.89.0.1 |
| 15:09:02 | SOA |
axfr.dnsimple.com admin.dnsimple.com 1669667279 86400 7200 604800 300
|
3600s | 78.2 ms | 10.89.0.1 |
| 15:09:02 | TXT |
6 records
|
60s | 24.1 ms | 10.89.0.1 |
Open Ports
No open ports detected yet, or scan hasn't completed.
Active IP Addresses
| IP Address | Version | Reverse DNS | CIDR | Country | City | ASN | Reputation | First Seen | Last DNS | Hits | Misses | Uptime % | Avg Latency |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
76.76.21.21 |
IPv4 | — | — | US | Walnut | AS16509 Amazon.com, Inc. | — | 2026-04-19 23:06 | 2026-04-22 11:50 | 9 | 0 | 100.0% | 3.4 ms |
142.251.16.27 |
IPv4 |
aspmx.l.google.com
|
— | — | — | — | — | 2026-04-19 20:39 | 2026-04-19 20:39 | 0 | 0 | — | — |
108.177.123.26 |
IPv4 |
alt1.aspmx.l.google.com
|
— | — | — | — | — | 2026-04-19 20:39 | 2026-04-19 20:39 | 0 | 0 | — | — |
172.253.116.26 |
IPv4 |
alt2.aspmx.l.google.com
|
— | — | — | — | — | 2026-04-19 20:39 | 2026-04-19 20:39 | 0 | 0 | — | — |
173.194.76.26 |
IPv4 |
alt4.aspmx.l.google.com
|
— | — | — | — | — | 2026-04-19 20:39 | 2026-04-19 20:39 | 0 | 0 | — | — |
192.178.223.26 |
IPv4 |
alt3.aspmx.l.google.com
|
— | — | — | — | — | 2026-04-19 20:39 | 2026-04-19 20:39 | 0 | 0 | — | — |
Technology
Technology Stack
16 detected
HTTP/2
HTTP/3 (QUIC)
16
Technologies
API
1
Public CORS API
CORS wildcard origin
Auth
1
Clerk auth
Build
1
Turbopack bundler
Email
3
MX record: 1 aspmx.l.google.com
SPF include: v=spf1 include:_spf.google.com ~all
SPF Record
TXT SPF: v=spf1 include:_spf.google.com ~all
Framework
1
Next.js build path
Library
2
Framer Motion
Turbo (Hotwire)
Script src: /_next/static/chunks/turbopack-4779856b6d14cc84.js?dpl=dpl_gwcs6vvz…
Platform
1
X-Vercel-Id header
Social
2
Verification
2
TXT verification: google-site-verification=0Euha-dNJyVBz1uzPctmygqAzJVrrLrwH5fj…
TXT verification: facebook-domain-verification=eryo8iycag42tq5bblk5eqbeyr05er
Technology Provider
1 tech · 1 sites
This domain provides technology used by other monitored sites.
Clerk
Discovery
Discovered Sub-domains
2
Link Scan
2
| Subdomain | Source | Status | Code | Response | IPs | Last Checked |
|---|---|---|---|---|---|---|
dashboard.clerk.com |
Link Scan | UP | 404 | 178 ms | — | 2 days, 9 hours ago |
feedback.clerk.com |
Link Scan | UP | 200 | 560 ms |
2606:4700:20::681a:d34,
2606:4700:20::ac43:461a,
2606:4700:20::681a:c34
|
2 days, 9 hours ago |