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Site check
/
doi.org
/
SSL / TLS
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TLS
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MX
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doi.org
SSL/TLS certificate for doi.org
Certificate is valid. Expires in 37 days.
A
SSL/TLS
A
Days until expiry
37
Issuer
Google Trust Services
TLS version
TLSv1.3
Hostname match
yes
HSTS
max-age=31536000; includeSubDomains; preload
SAN
doi.org, *.doi.org
What changed since last time
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