UNCERTAIN

signal.org

Query on crt.sh

0
Total Certs
All time
0
Subdomains
Discovered
145
Active
Currently valid
1,046
Expired
Past not_after
Date Range
Earliest cert (not_before)2016-05-29
Latest expiry (not_after)2027-03-17
Newest cert (entry_timestamp)2026-06-03 23:32
Total unique SANs0
Issuers (top 10)
Amazon / Amazon 44
Let's Encrypt / E5 52
Let's Encrypt / E8 42
Let's Encrypt / R3 208
Google Trust Services / WE1 127
Google Trust Services / WR1 102
Google Trust Services / WR3 47
Google Trust Services LLC / GTS CA 1D4 43
Sectigo Limited / Sectigo Public Server Authentication CA DV E36 42
Sectigo Limited / Sectigo Public Server Authentication CA DV R36 42
Sample Names (top 20)
cdsi.staging.reflector.signal.org
cdsi.reflector.signal.org
*.updates2.signal.org
updates2.signal.org
chat.reflector.signal.org
chat.staging.reflector.signal.org
*.ech-chat.signal.org
ech-chat.signal.org
shop.signal.org
svr2.staging.reflector.signal.org
svr2.reflector.signal.org
mta-sts.signal.org
svrb.reflector.signal.org
svrb.staging.reflector.signal.org
internal.signal.org
ech-chat.staging.signal.org
*.ech-chat.staging.signal.org
*.updates.signal.org
updates.signal.org
*.signal.org
Last verified Jun 4, 2026 06:12 UTC · All CT domains · API · Data: crt.sh