SSL Checker

esa.int

TLS 1.3 TLS_AES_256_GCM_SHA384

Leaf Certificate

Subject alexandergerst.esa.int

Issuer Sectigo Public Server Authentication CA OV R36

Valid From Jun 15, 2026

Valid Until Dec 30, 2026 (136 days)

Algorithm SHA256-RSA

Subject Alternative Names

alexandergerst.esa.intandreasmogensen.esa.intariane6.esa.intastronauts.esa.intavamposto42.esa.intblogs.esa.intbookdiscoveresalive.esa.intbrand.esa.intcareers.esa.intdiscover.esa.intdlmultimedia.esa.intdownload.esa.inteo4sd.esa.intesa-photolibrary.comesa.beesa.deesa.esesa.euesa.fresa.intesa.itesa.nlesa.org.ptesait.esa.intesamultimedia.esa.intesawebtv.esa.intexploration.esa.intforms.esa.intkids.esa.dekids.esa.eskids.esa.frkids.esa.intkids.esa.itkids.esa.nllucaparmitano.esa.intmarcosieber.esa.intmatthiasmaurer.esa.intmultimedia-delivery.esa.intmultimedia.esa.intoutpost42.esa.intpabloalvarezfernandez.esa.intpaolonespoli.esa.intphotolibrary.esa.intraphaelliegeois.esa.introsemarycoogan.esa.introsetta.esa.intsamanthacristoforetti.esa.intsophieadenot.esa.intspaceinimages.esa.intspaceinvideos.esa.intthomaspesquet.esa.inttimpeake.esa.inttools.esa.inttvdownload.esa.intwatch.esa.intwww-analytics.esa.intwww.esa-photolibrary.comwww.esa.bewww.esa.dewww.esa.eswww.esa.euwww.esa.frwww.esa.itwww.esa.nlwww.esa.org.pt

Intermediate

Subject Sectigo Public Server Authentication CA OV R36

Issuer Sectigo Public Server Authentication Root R46

Valid From Mar 22, 2021

Valid Until Mar 21, 2036 (3505 days)

Algorithm SHA384-RSA

Intermediate

Subject Sectigo Public Server Authentication Root R46

Issuer USERTrust RSA Certification Authority

Valid From Mar 22, 2021

Valid Until Jan 18, 2038 (4173 days)

Algorithm SHA384-RSA