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

reg.ru · 194.67.72.31:443

Verified

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

Subject
businessCategory=Private Organization serialNumber=1067746613494 jurisdictionC=RU jurisdictionST=Moscow C=RU ST=Moscow L=Moscow street=Leningradsky prospekt, 72 / building 3 O=Registrar of domain names REG.RU LLC CN=www.reg.ru
Issuer
C=BE O=GlobalSign nv-sa CN=GlobalSign GCC R3 EV TLS CA 2025
Valid from
2025-11-07T08:59:55+00:00
Expires
2026-12-09T08:59:54+00:00
Days remaining
77
Serial (hex)
43F7FC8A5F51E5C7DD9809EF
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

DNS:www.reg.ru, DNS:autodiscover.reg.ru, DNS:mail.reg.ru, DNS:owa.reg.ru, DNS:reg.ru

SHA-256 fingerprint

06:7B:34:65:88:F3:9A:6E:3D:73:2A:64:5C:03:87:9F:5A:95:BA:DF:45:E6:07:0B:F7:6A:56:5D:F7:ED:73:00
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
basicConstraints
CA:FALSE
authorityInfoAccess
CA Issuers - URI:http://secure.globalsign.com/cacert/gsgccr3evtlsca2025.crt OCSP - URI:http://ocsp.globalsign.com/gsgccr3evtlsca2025
certificatePolicies
Policy: 2.23.140.1.1 Policy: 1.3.6.1.4.1.4146.10.1.1 CPS: https://www.globalsign.com/repository/ Policy: 1.3.6.1.4.1.4146.1.1
crlDistributionPoints
Full Name: URI:http://crl.globalsign.com/gsgccr3evtlsca2025.crl
subjectAltName
DNS:www.reg.ru, DNS:autodiscover.reg.ru, DNS:mail.reg.ru, DNS:owa.reg.ru, DNS:reg.ru
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
authorityKeyIdentifier
63:10:7F:E4:28:33:9A:F8:47:60:59:52:7E:57:10:C7:4D:F8:17:16
subjectKeyIdentifier
D7:7B:CD:E7:98:1A:2D:A3:40:40:90:D7:4B:E4:09:C8:F0:36:ED:68
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : AC:AB:30:70:6C:EB:EC:84:31:F4:13:D2:F4:91:5F:11: 1E:42:24:43:B1:F2:A6:8C:4F:3C:2B:3B:A7:1E:02:C3 Timestamp : Nov 7 09:00:00.509 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:9B:BC:FA:42:3A:4C:93:E2:C8:C8:44: 4C:04:7C:9F:5D:89:44:38:5A:59:28:A5:6F:77:97:43: 76:D1:B1:9A:DA:02:20:01:02:DD:B4:EB:01:85:00:A2: C5:19:22:1D:2D:85:69:E0:48:9A:63:95:FA:D4:03:DA: B8:2C:83:81:04:D2:36 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : CB:38:F7:15:89:7C:84:A1:44:5F:5B:C1:DD:FB:C9:6E: F2:9A:59:CD:47:0A:69:05:85:B0:CB:14:C3:14:58:E7 Timestamp : Nov 7 09:00:00.007 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:DD:43:07:15:96:2B:37:71:EB:62:5E: B4:D8:E3:5E:0E:62:C8:A6:00:6F:27:98:FD:DE:BC:7E: 19:2A:AA:FC:5A:02:20:65:58:6F:FF:B8:BE:05:F9:AF: 58:BC:26:93:9D:6F:1D:79:AC:C6:89:EC:72:91:A2:85: 9D:86:0E:3F:82:96:09 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : C8:A3:C4:7F:C7:B3:AD:B9:35:6B:01:3F:6A:7A:12:6D: E3:3A:4E:43:A5:C6:46:F9:97:AD:39:75:99:1D:CF:9A Timestamp : Nov 7 09:00:00.805 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:E8:6E:FC:03:5B:A2:E0:CB:C8:8F:FD: 70:72:57:58:B3:50:E4:F6:5F:79:53:23:DB:ED:D2:CA: 03:B3:BC:E0:80:02:20:5A:57:82:09:DE:FE:A0:CC:C3: E9:2F:99:22:45:5E:BA:DA:5B:51:94:F6:13:99:34:66: 5D:B3:E3:DA:FC:C7:88
-----BEGIN CERTIFICATE-----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kmMiOQLt8lZN6ZbAq+UiJTt8obaHvbrGuLyfY3WGUV8iIJWqt/MryYnRE0upqNK8
H9O0qh8kTDwwJw/QuQCJZjlcR4GTO271N+GB2pjyaZGeXjUV+b67LDMmscaTC4CJ
PkDHVdA8oMqc4zcaukkMTbnNC+frKKQKC9tdhUdJlxjJDmokL7wCI1H2xCv+EX69
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ASy/v5gsSVgzT0XLVwIDAQABo4IDjjCCA4owDgYDVR0PAQH/BAQDAgWgMAwGA1Ud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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-09-23T03:37:35+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=BE O=GlobalSign nv-sa CN=GlobalSign GCC R3 EV TLS CA 2025
Issuer
OU=GlobalSign Root CA - R3 O=GlobalSign CN=GlobalSign
Valid from
2025-07-16T03:05:46+00:00
Expires
2027-07-16T00:00:00+00:00
Days remaining
295
Serial (hex)
83DA866C9F52D51A9318B8D0E7C03169
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

1B:29:28:02:1A:4B:89:CF:0F:57:2A:24:36:E9:14:E2:54:12:AD:58:ED:EE:22:1E:6C:7C:3C:54:37:17:9A:26
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
63:10:7F:E4:28:33:9A:F8:47:60:59:52:7E:57:10:C7:4D:F8:17:16
authorityKeyIdentifier
8F:F0:4B:7F:A8:2E:45:24:AE:4D:50:FA:63:9A:8B:DE:E2:DD:1B:BC
authorityInfoAccess
OCSP - URI:http://ocsp2.globalsign.com/rootr3 CA Issuers - URI:http://secure.globalsign.com/cacert/root-r3.crt
crlDistributionPoints
Full Name: URI:http://crl.globalsign.com/root-r3.crl
certificatePolicies
Policy: 2.23.140.1.1 Policy: 1.3.6.1.4.1.4146.10.1.1 Policy: 1.3.6.1.4.1.4146.1.1
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Chain certificate 2

Subject
OU=GlobalSign Root CA - R3 O=GlobalSign CN=GlobalSign
Issuer
OU=GlobalSign Root CA - R3 O=GlobalSign CN=GlobalSign
Valid from
2009-03-18T10:00:00+00:00
Expires
2029-03-18T10:00:00+00:00
Days remaining
907
Serial (hex)
04000000000121585308A2
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

CB:B5:22:D7:B7:F1:27:AD:6A:01:13:86:5B:DF:1C:D4:10:2E:7D:07:59:AF:63:5A:7C:F4:72:0D:C9:63:C5:3B
Certificate extensions & PEM
keyUsage
Certificate Sign, CRL Sign
basicConstraints
CA:TRUE
subjectKeyIdentifier
8F:F0:4B:7F:A8:2E:45:24:AE:4D:50:FA:63:9A:8B:DE:E2:DD:1B:BC
-----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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