Index · Cert expiry · Fastest sites · Free tools · API
clickup.com
Security, TLS & performance report · checked 2026-11-01T04:24:57Z · category: saas
Security headers: C 67/100
(rank #146 of 461) · TLS: TLSv1.3 ·
Cert expires in 142 days (rank #380 of 459 soonest)
· Response: 25.1 ms (rank #8 of 446)
Certificate valid for 142 more days (until Mar 23 23:59:59 2027 GMT).
TLS certificate
| Field | Value |
| Issuer | Amazon |
| Subject CN | *.clickup.com |
| Valid until | Mar 23 23:59:59 2027 GMT |
| Days left | 142 |
| TLS version | TLSv1.3 |
| SAN entries | 2 |
Security headers (67/100, grade C)
| Header | Status |
|---|
strict-transport-security | max-age=31536000; includeSubDomains |
content-security-policy | frame-ancestors 'self' https://*.clickup.com |
x-frame-options | DENY |
referrer-policy | no-referrer-when-downgrade |
x-content-type-options | missing |
permissions-policy | missing |
Availability & performance
| Field | Value |
| Availability | 100% (3/3 probes) |
| Avg response | 25.1 ms |
| Fastest / slowest | 21.3 / 28.5 ms |
| HTTP status | 200 (https) |
| Server | AmazonS3 |
DNS & robots.txt
| Field | Value |
| A records | 13.249.182.43, 13.249.182.10, 13.249.182.87, 13.249.182.70 |
| Nameservers | ns-1480.awsdns-57.org, ns-1962.awsdns-53.co.uk, ns-298.awsdns-37.com, ns-769.awsdns-32.net |
| MX records | 5 |
| robots.txt | present (1 sitemap refs, 35 disallow rules) |
How clickup.com compares
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free tools or the API. Last built 2026-11-01.