SSL Report: open.substack.com
Assessed on:  Mon, 19 Jan 2026 12:28:09 UTC | Clear cache
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  Server Test time Grade
1 172.64.150.56
Ready
Mon, 19 Jan 2026 12:22:23 UTC
Duration: 86.493 sec
A+
2 104.18.37.200
Ready
Mon, 19 Jan 2026 12:23:49 UTC
Duration: 86.852 sec
A+
3 2606:4700:440b:0:0:0:6812:25c8
Ready
Mon, 19 Jan 2026 12:25:16 UTC
Duration: 86.357 sec
A+
4 2606:4700:4400:0:0:0:ac40:9638
Ready
Mon, 19 Jan 2026 12:26:42 UTC
Duration: 87.164 sec
A+

SSL Report v2.4.1