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

itelsystems.net · 162.241.219.101:443

Verified

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

Subject
CN=cpcontacts.qviza.fr
Issuer
C=US O=Let's Encrypt CN=YR2
Valid from
2026-08-05T21:08:13+00:00
Expires
2026-11-03T21:08:12+00:00
Days remaining
39
Serial (hex)
05F5FFCB394C016604E5F65FDAC1C1771AA5
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:autoconfig.itelsystems.net, DNS:autoconfig.qviza.fr, DNS:autodiscover.itelsystems.net, DNS:autodiscover.qviza.fr, DNS:cmz.ayr.mybluehost.me, DNS:cpanel.itelsystems.net, DNS:cpanel.qviza.fr, DNS:cpcalendars.qviza.fr, DNS:cpcontacts.qviza.fr, DNS:itelsystems.net, DNS:mail.cmz.ayr.mybluehost.me, DNS:mail.itelsystems.net, DNS:mail.qviza.fr, DNS:qviza-fr.itelsystems.net, DNS:qviza.fr, DNS:webdisk.itelsystems.net, DNS:webdisk.qviza.fr, DNS:webmail.itelsystems.net, DNS:webmail.qviza.fr, DNS:www.cmz.ayr.mybluehost.me, DNS:www.itelsystems.net, DNS:www.qviza-fr.itelsystems.net, DNS:www.qviza.fr

SHA-256 fingerprint

FB:FF:42:A4:01:E6:C2:C5:65:4D:86:C2:66:E6:C1:16:64:FE:8D:A9:17:4E:31:20:B1:AC:AB:3D:12:0C:EC:B8
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
34:F8:07:03:18:C6:68:5D:67:C4:98:9D:2E:64:49:73:FE:25:86:DC
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:autoconfig.itelsystems.net, DNS:autoconfig.qviza.fr, DNS:autodiscover.itelsystems.net, DNS:autodiscover.qviza.fr, DNS:cmz.ayr.mybluehost.me, DNS:cpanel.itelsystems.net, DNS:cpanel.qviza.fr, DNS:cpcalendars.qviza.fr, DNS:cpcontacts.qviza.fr, DNS:itelsystems.net, DNS:mail.cmz.ayr.mybluehost.me, DNS:mail.itelsystems.net, DNS:mail.qviza.fr, DNS:qviza-fr.itelsystems.net, DNS:qviza.fr, DNS:webdisk.itelsystems.net, DNS:webdisk.qviza.fr, DNS:webmail.itelsystems.net, DNS:webmail.qviza.fr, DNS:www.cmz.ayr.mybluehost.me, DNS:www.itelsystems.net, DNS:www.qviza-fr.itelsystems.net, DNS:www.qviza.fr
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr2.c.lencr.org/38.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 : Aug 5 22:06:43.502 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:E3:2E:87:C3:DD:EF:63:96:FE:AA:5C: D6:89:A6:12:01:90:40:6D:47:99:F0:F6:FA:32:B8:BB: D4:53:8B:01:EE:02:20:27:2B:4C:F6:85:6A:DB:BD:AB: FE:29:E9:DA:73:ED:67:B5:16:65:92:87:A3:FA:66:1F: EC:B3:C2:19:A3:7E:30 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : A8:26:CB:E3:0A:C6:35:12:46:53:3F:E0:65:F1:4F:19: D9:6E:19:08:13:C4:1D:D9:6D:79:00:B3:12:3C:55:27 Timestamp : Aug 5 22:06:44.030 2026 GMT Extensions: 00:00:05:00:18:A0:70:40 Signature : ecdsa-with-SHA256 30:46:02:21:00:D0:87:58:C8:E0:5B:1A:D0:5A:1D:51: A2:DA:7A:1F:39:9A:3A:C7:AF:FA:48:80:B3:F9:60:C3: A3:E5:74:25:2B:02:21:00:9B:7B:9D:07:99:88:ED:E6: DF:B9:DE:1C:09:72:53:EA:2C:A7:3D:67:BE:C1:62:D1: D3:52:C9:4C:2F:1E:A4:E3
-----BEGIN CERTIFICATE-----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=
-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-09-25T12:35:22+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
708
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-----
MIIE2jCCAsKgAwIBAgIQTr0klH4k05SALYSlL9WzGTANBgkqhkiG9w0BAQsFADAu
MQswCQYDVQQGEwJVUzENMAsGA1UEChMESVNSRzEQMA4GA1UEAxMHUm9vdCBZUjAe
Fw0yNTA5MDMwMDAwMDBaFw0yODA5MDIyMzU5NTlaMDMxCzAJBgNVBAYTAlVTMRYw
FAYDVQQKEw1MZXQncyBFbmNyeXB0MQwwCgYDVQQDEwNZUjIwggEiMA0GCSqGSIb3
DQEBAQUAA4IBDwAwggEKAoIBAQDZ0LxwBppqh84luqMerV/eeL/fXQ7mLQQv1Lnp
WKZbyvGpx6wh6AfnslAnF6ewTkcHA+gSOoBvm3Dfm06AuGiF+KRut4fAcowqnAQQ
CW98+QPP/eOv/wug7Iyk4NkOxf2I6g2f55T6nJoOTLFcukeRq80JGQEYan+dPFr9
OGUgQK2hGKgNkW87pappsOAuUJcroYhRt5uUis4qaZireiseu32gzDJNBAiKtsvd
6HX4v25bpkRNcS/B/Gtc9kVbUpD+2PLPxdei3Tim55k4tfAEXwD2qyiPTxrTNq6l
N+AMr5g2c1dNqkOTwjxeV6L5lpP1rGiYvLnRaPlOqyZRPW+5AgMBAAGjge4wgesw
DgYDVR0PAQH/BAQDAgGGMBMGA1UdJQQMMAoGCCsGAQUFBwMBMBIGA1UdEwEB/wQI
MAYBAf8CAQAwHQYDVR0OBBYEFEAVLSZ57TIgnt+ach3WMh+BDIEMMB8GA1UdIwQY
MBaAFN7nW2DQIm1AKH0/DQH+pLVStFGUMDIGCCsGAQUFBwEBBCYwJDAiBggrBgEF
BQcwAoYWaHR0cDovL3lyLmkubGVuY3Iub3JnLzATBgNVHSAEDDAKMAgGBmeBDAEC
ATAnBgNVHR8EIDAeMBygGqAYhhZodHRwOi8veXIuYy5sZW5jci5vcmcvMA0GCSqG
SIb3DQEBCwUAA4ICAQB0ZUQWZ9/Yn9COEpo+JfecMnB0h0vwDm/M66IqXqw3LoaL
mx9lZvRTeDIS67PUeI3yCA2W6PKRD0/FE/G57lOmS+Xy5AaaL00ICGOqjNcCaMWW
8o8nevHOd4i4lqgtznE/28QwlcdJyF8yBiWHpnyjhEpmNWJURgOCOg2xpwRMBCsj
MScqYPtOhBeuYQvSwAEeTML2Ukh6uGuX4E14q65Ja8cdjF5bAldnP1eE4FBaAwsZ
G2fOqqrKV03Y85Nw2btedP1AtliQuJZs/Jo/gXxXdc7LrH3McgnpnbTiAncX7yES
hP6kzQejllqMCIt52HOjxDGWafS7Xw+DKwqmH+Eqy8dcbOuag/1AYlQoKNVK3F5q
Hh6tEDiMqQcLIibGKteE6iHo4A/bIScbzrhXUYuism42ZYzmc48FMVIH3qy4L84E
TdAH2gtxw0PAhvRVXp8HP7wfngpzsN/8xOTpeRSbM4+Qbc56G6+Bifmv6sk1ieQb
NA3wJdl4DDUuQSV8hBgx6zoI1ZSGORprDFux7c6rhc77QZMSRrEgomBeklervEve
86ylWmZ3WWHV6RLMi8xNvjd71r4EPIGgY7BZU/VPBkq+uA7Gb6mbJnFgV43uh3xy
LRFgxIAphIukwTGSMZZR+AI+Qnp0BYTWovHXozOf3H8r6hozEoT02JHn0AeTfA==
-----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
2169
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

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