Index · Cert expiry · Fastest sites · Free tools · API
opentable.com
Security, TLS & performance report · checked 2026-11-01T04:24:57Z · category: food
Security headers: F 0/100
(rank #448 of 461) · TLS: TLSv1.3 ·
Cert expires in 77 days (rank #233 of 459 soonest)
· Response: n/a ms
Certificate valid for 77 more days (until Jan 17 09:09:59 2027 GMT).
TLS certificate
| Field | Value |
|---|
| Issuer | Let's Encrypt |
| Subject CN | opentable.com |
| Valid until | Jan 17 09:09:59 2027 GMT |
| Days left | 77 |
| TLS version | TLSv1.3 |
| SAN entries | 2 |
Security headers (0/100, grade F)
| Header | Status |
|---|
strict-transport-security | missing |
content-security-policy | missing |
x-frame-options | missing |
x-content-type-options | missing |
referrer-policy | missing |
permissions-policy | missing |
Availability & performance
| Field | Value |
|---|
| Availability | 0% (0/3 probes) |
| Avg response | n/a ms |
| Fastest / slowest | n/a / n/a ms |
| HTTP status | n/a () |
| Server | n/a |
DNS & robots.txt
| Field | Value |
|---|
| A records | 23.33.238.111, 23.33.238.106 |
| Nameservers | a11-66.akam.net, a13-64.akam.net, a28-65.akam.net, a12-67.akam.net |
| MX records | 2 |
| robots.txt | absent (n/a sitemap refs, n/a disallow rules) |
How opentable.com compares
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free tools or the API. Last built 2026-11-01.