~/tools / ssl-checker

SSL Checker

Check SSL certificate expiry, chain validity, TLS version and cipher. Catches expired certs, weak crypto and chain issues.

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[ OK ] Valid for 172 more days.
── output ─────
Issued to
microsoft.com
Issued by
Microsoft TLS G2 RSA CA OCSP 02
Valid from
2026-04-15
Valid until
2026-10-12 (172 days)
TLS version
TLSv1.3
Cipher
TLS_AES_256_GCM_SHA384
Key
RSA · 2048 bit
Signature
sha384WithRSAEncryption
Forward secrecy
yes
Self-signed
no
Must-staple
no
SHA-256 fingerprint
24:C0:73:7A:55:FE:97:9A:49:4A:9E:51:0C:E8:0C:82:92:25:B9:15:92:CA:D7:C6:0F:3E:AA:CF:85:B3:59:0D
Serial
410011F401F18160BD80A0032100000011F401
subject_alt_names · 163
microsoft.com s.microsoft.com ga.microsoft.com aep.microsoft.com aer.microsoft.com grv.microsoft.com hup.microsoft.com mac.microsoft.com mkb.microsoft.com pme.microsoft.com pmi.microsoft.com rss.microsoft.com sar.microsoft.com tco.microsoft.com fuse.microsoft.com ieak.microsoft.com mac2.microsoft.com mcsp.microsoft.com open.microsoft.com shop.microsoft.com spur.microsoft.com itpro.microsoft.com mango.microsoft.com music.microsoft.com pymes.microsoft.com store.microsoft.com aether.microsoft.com alerts.microsoft.com design.microsoft.com garage.microsoft.com gigjam.microsoft.com msctec.microsoft.com online.microsoft.com stream.microsoft.com afflink.microsoft.com connect.microsoft.com develop.microsoft.com domains.microsoft.com example.microsoft.com madeira.microsoft.com msdnisv.microsoft.com mspress.microsoft.com www.aep.microsoft.com www.aer.microsoft.com wwwbeta.microsoft.com business.microsoft.com empresas.microsoft.com learning.microsoft.com msdnwiki.microsoft.com openness.microsoft.com pinpoint.microsoft.com snackbox.microsoft.com sponsors.microsoft.com stationq.microsoft.com aistories.microsoft.com community.microsoft.com crawlmsdn.microsoft.com iotschool.microsoft.com messenger.microsoft.com minecraft.microsoft.com backoffice.microsoft.com enterprise.microsoft.com iotcentral.microsoft.com pinunblock.microsoft.com reroute443.microsoft.com communities.microsoft.com explore-smb.microsoft.com expressions.microsoft.com ondernemers.microsoft.com techacademy.microsoft.com terraserver.microsoft.com communities2.microsoft.com connectevent.microsoft.com dataplatform.microsoft.com entrepreneur.microsoft.com hxd.research.microsoft.com mspartnerira.microsoft.com mydatahealth.microsoft.com oemcommunity.microsoft.com real-stories.microsoft.com www.formspro.microsoft.com futuredecoded.microsoft.com upgradecenter.microsoft.com learnanalytics.microsoft.com onlinelearning.microsoft.com businesscentral.microsoft.com cloud-immersion.microsoft.com studentpartners.microsoft.com analyticspartner.microsoft.com businessplatform.microsoft.com explore-security.microsoft.com kleinunternehmen.microsoft.com partnercommunity.microsoft.com explore-marketing.microsoft.com innovationcontest.microsoft.com partnerincentives.microsoft.com phoenixcataloguat.microsoft.com szkolyprzyszlosci.microsoft.com www.powerautomate.microsoft.com successionplanning.microsoft.com lumiaconversationsuk.microsoft.com successionplanninguat.microsoft.com businessmobilitycenter.microsoft.com skypeandteams.fasttrack.microsoft.com www.microsoftdlapartnerow.microsoft.com commercialappcertification.microsoft.com www.skypeandteams.fasttrack.microsoft.com ceoconnections.event.microsoft.com biz4afrika.microsoft.com cashback.microsoft.com www.cashback.microsoft.com visio.microsoft.com insidemsr.microsoft.com developervelocityassessment.com www.developervelocityassessment.com gears5.com www.gears5.com www.gearstactics.com gearstactics.com m12.microsoft.com seeingai.com yourchoice.microsoft.com mvtd.events.microsoft.com imagine.microsoft.com microsoft.com.au www.microsoft.com.au dynamics.microsoft.com powerplatform.microsoft.com powerapps.microsoft.com powerautomate.microsoft.com powervirtualagents.microsoft.com powerpages.microsoft.com test.ideas.fabric.microsoft.com sds.microsoft.com ppe.sds.microsoft.com www.microsoft365copilot.com www.jclarity.com techinnovatorsspotlight.com www.techinnovatorsspotlight.com copilot.ai getlicensingready.com www.getlicensingready.com jpn.delve.office.com aus.delve.office.com ind.delve.office.com kor.delve.office.com cobra.me.microsoft.com www.businesscentral.com businesscentral.com msaidatastudio.officeppe.net ideas.fabric.microsoft.com www.cpt.link cpt.link yarp.dot.net microsoftstream.com www.microsoftstream.com web.microsoftstream.com discover.copilot.ai copilot.com www.copilot.com discover.copilot.com researchforum.microsoft.com cdn.techcommunity.microsoft.com
certificate_chain · 4 certs
[ leaf ]microsoft.com
172 days left
issuer: Microsoft TLS G2 RSA CA OCSP 02
2026-04-15 → 2026-10-12
[ inter ]Microsoft TLS G2 RSA CA OCSP 02
1137 days left
issuer: Microsoft TLS RSA Root G2
2025-08-01 → 2029-06-03
[ inter ]Microsoft TLS RSA Root G2
1153 days left
issuer: DigiCert Global Root G2
2025-05-21 → 2029-06-19
[ root ]DigiCert Global Root G2
4285 days left
issuer: DigiCert Global Root G2
2013-08-01 → 2038-01-15
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