SSL Report: open.substack.com
Assessed on:  Sat, 11 Oct 2025 09:18:58 UTC | Clear cache
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  Server Test time Grade
1 172.64.150.56
Ready
Sat, 11 Oct 2025 09:12:57 UTC
Duration: 92.167 sec
A+
2 104.18.37.200
Ready
Sat, 11 Oct 2025 09:14:29 UTC
Duration: 92.249 sec
A+
3 2606:4700:440b:0:0:0:6812:25c8
Ready
Sat, 11 Oct 2025 09:16:01 UTC
Duration: 88.599 sec
A+
4 2606:4700:4400:0:0:0:ac40:9638
Ready
Sat, 11 Oct 2025 09:17:30 UTC
Duration: 88.869 sec
A+

SSL Report v2.4.1