DNS
THE CERTIFICATE BEHIND THE CONNECTION

TLS certificate checker.

Inspect SSL/TLS certificates for any public domain or subdomain.

Checks HTTPS on port 443, including subject alternative names, validity dates and the presented chain.

SSL certificate

TLSv1.3

unicamp.br · 177.220.120.17:443

Verified

Certificate chain, hostname and dates verified using this server’s CA store.

Subject
CN=www.multisite.unicamp.br
Issuer
C=US O=Let's Encrypt CN=YR2
Valid from
2026-09-29T12:06:19+00:00
Expires
2026-12-28T12:06:18+00:00
Days remaining
59
Serial (hex)
062010D01267F8115CDA7B59DD133106D516
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:aeplan.unicamp.br, DNS:alfa.cepetro.unicamp.br, DNS:bccl.unicamp.br, DNS:bi0s.unicamp.br, DNS:bios.unicamp.br, DNS:cbmeg.unicamp.br, DNS:ccs.unicamp.br, DNS:cel.unicamp.br, DNS:cemib.unicamp.br, DNS:cepetro.unicamp.br, DNS:cipa.unicamp.br, DNS:cotuca.unicamp.br, DNS:dados.unicamp.br, DNS:deepu.unicamp.br, DNS:depi.unicamp.br, DNS:detic.unicamp.br, DNS:dga.unicamp.br, DNS:direitoshumanos.unicamp.br, DNS:edat.unicamp.br, DNS:educorp.unicamp.br, DNS:epdp.unicamp.br, DNS:fef.unicamp.br, DNS:fenf.unicamp.br, DNS:geplanes.unicamp.br, DNS:ggte.unicamp.br, DNS:gr.unicamp.br, DNS:hc.unicamp.br, DNS:hids.unicamp.br, DNS:hpglab.cepetro.unicamp.br, DNS:idea.unicamp.br, DNS:inctcaleidoscopio.unicamp.br, DNS:informacoes.unicamp.br, DNS:institutoconfucio.unicamp.br, DNS:internationaloffice.unicamp.br, DNS:nepp.unicamp.br, DNS:nipe.unicamp.br, DNS:plasma.unicamp.br, DNS:prdu.unicamp.br, DNS:prefeitura.unicamp.br, DNS:prg.unicamp.br, DNS:privacidade.dados.unicamp.br, DNS:privacidade.unicamp.br, DNS:reitoria.unicamp.br, DNS:sae.unicamp.br, DNS:sbu.unicamp.br, DNS:sec.unicamp.br, DNS:svc.unicamp.br, DNS:unicamp.br, DNS:www.bae.unicamp.br, DNS:www.bios.unicamp.br, DNS:www.bora.unicamp.br, DNS:www.cinfotec.unicamp.br, DNS:www.comissaoverdade.gr.unicamp.br, DNS:www.comissaoverdade.unicamp.br, DNS:www.controladoria.unicamp.br, DNS:www.dea.unicamp.br, DNS:www.deape.unicamp.br, DNS:www.deas.unicamp.br, DNS:www.deeduc.unicamp.br, DNS:www.deepu.unicamp.br, DNS:www.edat.unicamp.br, DNS:www.epdp.unicamp.br, DNS:www.gastrocentro.unicamp.br, DNS:www.gebc.relacoesinternacionais.unicamp.br, DNS:www.inctcaleidoscopio.unicamp.br, DNS:www.jbi.unicamp.br, DNS:www.jornal.unicamp.br, DNS:www.linguagemsimples.unicamp.br, DNS:www.multisite.unicamp.br, DNS:www.nepa.unicamp.br, DNS:www.observatoriocaleidoscopio.unicamp.br, DNS:www.ouvidoria.unicamp.br, DNS:www.pagu.unicamp.br, DNS:www.pecim.unicamp.br, DNS:www.prefeituralimeira.unicamp.br, DNS:www.prp.unicamp.br, DNS:www.prpg.unicamp.br, DNS:www.redecomepcampinas.unicamp.br, DNS:www.reitoria.unicamp.br, DNS:www.sae.unicamp.br, DNS:www.upa.unicamp.br

SHA-256 fingerprint

D0:9A:EE:EC:8D:D2:62:33:66:DF:7C:7A:05:82:31:D2:FD:90:65:CC:F8:B0:C4:B9:91:35:CC:86:4A:F9:CC:87
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
12:FD:AF:09:29:D5:68:D2:A8:11:64:4F:F6:0F:BF:B0:6F:C7:8C:A1
authorityKeyIdentifier
40:15:2D:26:79:ED:32:20:9E:DF:9A:72:1D:D6:32:1F:81:0C:81:0C
authorityInfoAccess
CA Issuers - URI:http://yr2.i.lencr.org/
subjectAltName
DNS:aeplan.unicamp.br, DNS:alfa.cepetro.unicamp.br, DNS:bccl.unicamp.br, DNS:bi0s.unicamp.br, DNS:bios.unicamp.br, DNS:cbmeg.unicamp.br, DNS:ccs.unicamp.br, DNS:cel.unicamp.br, DNS:cemib.unicamp.br, DNS:cepetro.unicamp.br, DNS:cipa.unicamp.br, DNS:cotuca.unicamp.br, DNS:dados.unicamp.br, DNS:deepu.unicamp.br, DNS:depi.unicamp.br, DNS:detic.unicamp.br, DNS:dga.unicamp.br, DNS:direitoshumanos.unicamp.br, DNS:edat.unicamp.br, DNS:educorp.unicamp.br, DNS:epdp.unicamp.br, DNS:fef.unicamp.br, DNS:fenf.unicamp.br, DNS:geplanes.unicamp.br, DNS:ggte.unicamp.br, DNS:gr.unicamp.br, DNS:hc.unicamp.br, DNS:hids.unicamp.br, DNS:hpglab.cepetro.unicamp.br, DNS:idea.unicamp.br, DNS:inctcaleidoscopio.unicamp.br, DNS:informacoes.unicamp.br, DNS:institutoconfucio.unicamp.br, DNS:internationaloffice.unicamp.br, DNS:nepp.unicamp.br, DNS:nipe.unicamp.br, DNS:plasma.unicamp.br, DNS:prdu.unicamp.br, DNS:prefeitura.unicamp.br, DNS:prg.unicamp.br, DNS:privacidade.dados.unicamp.br, DNS:privacidade.unicamp.br, DNS:reitoria.unicamp.br, DNS:sae.unicamp.br, DNS:sbu.unicamp.br, DNS:sec.unicamp.br, DNS:svc.unicamp.br, DNS:unicamp.br, DNS:www.bae.unicamp.br, DNS:www.bios.unicamp.br, DNS:www.bora.unicamp.br, DNS:www.cinfotec.unicamp.br, DNS:www.comissaoverdade.gr.unicamp.br, DNS:www.comissaoverdade.unicamp.br, DNS:www.controladoria.unicamp.br, DNS:www.dea.unicamp.br, DNS:www.deape.unicamp.br, DNS:www.deas.unicamp.br, DNS:www.deeduc.unicamp.br, DNS:www.deepu.unicamp.br, DNS:www.edat.unicamp.br, DNS:www.epdp.unicamp.br, DNS:www.gastrocentro.unicamp.br, DNS:www.gebc.relacoesinternacionais.unicamp.br, DNS:www.inctcaleidoscopio.unicamp.br, DNS:www.jbi.unicamp.br, DNS:www.jornal.unicamp.br, DNS:www.linguagemsimples.unicamp.br, DNS:www.multisite.unicamp.br, DNS:www.nepa.unicamp.br, DNS:www.observatoriocaleidoscopio.unicamp.br, DNS:www.ouvidoria.unicamp.br, DNS:www.pagu.unicamp.br, DNS:www.pecim.unicamp.br, DNS:www.prefeituralimeira.unicamp.br, DNS:www.prp.unicamp.br, DNS:www.prpg.unicamp.br, DNS:www.redecomepcampinas.unicamp.br, DNS:www.reitoria.unicamp.br, DNS:www.sae.unicamp.br, DNS:www.upa.unicamp.br
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr2.c.lencr.org/23.crl
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : D8:09:55:3B:94:4F:7A:FF:C8:16:19:6F:94:4F:85:AB: B0:F8:FC:5E:87:55:26:0F:15:D1:2E:72:BB:45:4B:14 Timestamp : Sep 29 13:04:50.107 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:4E:59:5A:37:ED:DA:CC:B0:06:C5:64:26: E3:44:84:FC:21:26:93:A0:A7:9F:3A:52:3D:1D:E0:01: 1F:E7:36:8D:02:21:00:F0:C2:93:9B:3A:1A:C9:14:6E: A4:88:0B:97:01:A6:B4:90:0E:E8:33:67:93:F4:16:80: BC:12:9C:2C:E3:CF:10 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 8E:CA:47:0B:AC:DE:6A:F3:A2:06:B0:A4:7A:84:B7:46: FE:1F:C6:BF:95:3E:25:E6:9B:4E:E4:02:48:F3:C6:E8 Timestamp : Sep 29 13:04:50.862 2026 GMT Extensions: 00:00:05:00:17:C6:C4:51 Signature : ecdsa-with-SHA256 30:44:02:20:12:5D:6C:3E:93:37:8F:63:8A:9C:43:E1: D6:AA:42:EE:DE:D7:70:EA:52:C7:D1:3A:5D:9C:15:37: 23:68:C5:F7:02:20:4E:6D:42:A1:8F:CF:0D:73:20:11: 55:C8:4C:88:66:64:9A:B6:43:20:79:05:1D:1B:83:DC: 89:57:51:A7:69:98
-----BEGIN CERTIFICATE-----
MIIL5DCCCsygAwIBAgISBiAQ0BJn+BFc2ntZ3RMxBtUWMA0GCSqGSIb3DQEBCwUA
MDMxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQwwCgYDVQQD
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ereSOCPL00N+bFVMZeOnf76pITOmpqMY
-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-10-30T02:31:40+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=US O=Let's Encrypt CN=YR2
Issuer
C=US O=ISRG CN=Root YR
Valid from
2025-09-03T00:00:00+00:00
Expires
2028-09-02T23:59:59+00:00
Days remaining
673
Serial (hex)
4EBD24947E24D394802D84A52FD5B319
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

23:8B:85:A0:09:9C:65:B9:70:47:7D:57:24:F1:A1:D4:75:CE:50:58:CF:FE:4E:FA:87:33:89:9B:DB:86:3C:47
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
40:15:2D:26:79:ED:32:20:9E:DF:9A:72:1D:D6:32:1F:81:0C:81:0C
authorityKeyIdentifier
DE:E7:5B:60:D0:22:6D:40:28:7D:3F:0D:01:FE:A4:B5:52:B4:51:94
authorityInfoAccess
CA Issuers - URI:http://yr.i.lencr.org/
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr.c.lencr.org/ 
-----BEGIN CERTIFICATE-----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==
-----END CERTIFICATE-----

Chain certificate 2

Subject
C=US O=ISRG CN=Root YR
Issuer
C=US O=Internet Security Research Group CN=ISRG Root X1
Valid from
2026-05-13T00:00:00+00:00
Expires
2032-09-02T23:59:59+00:00
Days remaining
2134
Serial (hex)
F24B6D17F9D9AD7CB1C9FEA78782699F
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

07:26:39:D0:B1:40:D5:BF:FA:E1:6A:D9:C3:F6:CC:60:86:04:06:21:F5:1E:E6:1A:6D:46:A8:91:5C:07:CF:76
Certificate extensions & PEM
keyUsage
Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:TRUE
subjectKeyIdentifier
DE:E7:5B:60:D0:22:6D:40:28:7D:3F:0D:01:FE:A4:B5:52:B4:51:94
authorityKeyIdentifier
79:B4:59:E6:7B:B6:E5:E4:01:73:80:08:88:C8:1A:58:F6:E9:9B:6E
authorityInfoAccess
CA Issuers - URI:http://x1.i.lencr.org/
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://x1.c.lencr.org/ 
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

One endpoint on port 443. Server-presented chain; no revocation, OCSP, CT or full TLS security scan.

View certificate JSON

Registration / WHOIS →DNS records →