daotao.humg.edu.vn
Issued by Sectigo RSA Domain Validation Secure Server CA
About this certificate
This digital certificate with serial number c3:52:d4:da:a7:f9:22:84:ad:59:15:20:33:90:d1:9d was issued on by Sectigo Limited.
With 2 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate has already expired and will cause a warning or error message in the browser it's still listed on this site to allow you to look back on previously issued certificates. If we have found any compliance issues with this certificate they will be shown below. I hope this certificate review is providing you the detailed information in a simple form you where looking for.
We have idenified some issues with this certificate:
- Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)
Certificate Subject
CN=daotao.humg.edu.vn
Sectigo Limited
Organization:
Sectigo Limited
State / Province:
Greater Manchester
Locality: Salford
Country: GB
Locality: Salford
Country: GB
This certificate has expire since
Certificate Details
Serial Number (hex): c3:52:d4:da:a7:f9:22:84:ad:59:15:20:33:90:d1:9dSerial Number (int): 259629544715019035522707692372192448925
Serial Number lenght: 128 bits, 16 octets
SubjectKeyId: 9d:4a:0f:87:ac:be:dc:d7:61:98:37:8e:3d:d9:e0:b1:da:54:92:97
AuthorityKeyId: 8d:8c:5e:c4:54:ad:8a:e1:77:e9:9b:f9:9b:05:e1:b8:01:8d:61:e1
Fingerprint (sha1): 08:26:49:dd:cc:a4:cb:3d:41:f4:02:15:c5:95:39:a4:9f:67:b7:c1
Fingerprint (sha256): 4f:7a:cf:fe:32:b2:d2:70:c5:18:20:61:6e:3b:a1:53:20:b4:a8:45:ab:6e:53:35:98:97:3b:54:aa:4e:5e:4e
Issuing Certificate URL: http://crt.sectigo.com/SectigoRSADomainValidationSecureServerCA.crt
Revocation information
OCSP Server: http://ocsp.sectigo.comCheck the revocation status for certificate daotao.humg.edu.vn
2
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for daotao.humg.edu.vn
Public Key Algorithm
RSA
Key Size
2048
Signature Algorithm
SHA256 with RSA
Key Usage
Digital Signature
Key Encipherment
Extended Key Usages
Server Authentication
Client Authentication
Extensions
9 extensions
No
unhandled critical extensions
CA Certificate
This is not a CA certificate
Subject Alternative Names
daotao.humg.edu.vn
www.daotao.humg.edu.vn
www.daotao.humg.edu.vn
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geoinformatics.humg.edu.vn
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isrm2020.humg.edu.vn
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nde.humg.edu.vn
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geoinformatics.humg.edu.vn
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Certificate
The complete raw certificate details for daotao.humg.edu.vn in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGRTCCBS2gAwIBAgIRAMNS1Nqn+SKErVkVIDOQ0Z0wDQYJKoZIhvcNAQELBQAw gY8xCzAJBgNVBAYTAkdCMRswGQYDVQQIExJHcmVhdGVyIE1hbmNoZXN0ZXIxEDAO BgNVBAcTB1NhbGZvcmQxGDAWBgNVBAoTD1NlY3RpZ28gTGltaXRlZDE3MDUGA1UE AxMuU2VjdGlnbyBSU0EgRG9tYWluIFZhbGlkYXRpb24gU2VjdXJlIFNlcnZlciBD QTAeFw0xOTEyMTUwMDAwMDBaFw0yMTEyMTQyMzU5NTlaMB0xGzAZBgNVBAMTEmRh b3Rhby5odW1nLmVkdS52bjCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEB AN7FBJi9Q1DV8qxnSQWxnEpw7+G7/PMVRe7hrOy/n0S2BdgrNM6QfsGwAuoHwKYg Bsgwvo2MA1G7wfYyNZ085IoXefcZNpAyagfA2Gj+umdz/NGwBSUvc5Svn4X8880u nJ76FHQni7FCtTNA0nxPT2kjdAE5jiJIHvXe7tmQD6Wis3WUtrww+uElGEAvMvLF YIFVbCm37mME8hnNhJ2aPQl97s/77RhRNSQNujeEoIjrjVrdo2884IU2l3+JeKwK +Qw+xF2jOjA8ZfWGiefDsctKmmd/cdzOxQwWr6NobdK77YU7pQxGWYB2arjsXh/A 6V6KX091FxtV3oWQtvRQTukCAwEAAaOCAwswggMHMB8GA1UdIwQYMBaAFI2MXsRU rYrhd+mb+ZsF4bgBjWHhMB0GA1UdDgQWBBSdSg+HrL7c12GYN4492eCx2lSSlzAO BgNVHQ8BAf8EBAMCBaAwDAYDVR0TAQH/BAIwADAdBgNVHSUEFjAUBggrBgEFBQcD AQYIKwYBBQUHAwIwSQYDVR0gBEIwQDA0BgsrBgEEAbIxAQICBzAlMCMGCCsGAQUF BwIBFhdodHRwczovL3NlY3RpZ28uY29tL0NQUzAIBgZngQwBAgEwgYQGCCsGAQUF BwEBBHgwdjBPBggrBgEFBQcwAoZDaHR0cDovL2NydC5zZWN0aWdvLmNvbS9TZWN0 aWdvUlNBRG9tYWluVmFsaWRhdGlvblNlY3VyZVNlcnZlckNBLmNydDAjBggrBgEF BQcwAYYXaHR0cDovL29jc3Auc2VjdGlnby5jb20wNQYDVR0RBC4wLIISZGFvdGFv Lmh1bWcuZWR1LnZughZ3d3cuZGFvdGFvLmh1bWcuZWR1LnZuMIIBfQYKKwYBBAHW eQIEAgSCAW0EggFpAWcAdQB9PvL4j/+IVWgkwsDKnlKJeSvFDngJfy5ql2iZfiLw 1wAAAW8ICYreAAAEAwBGMEQCIDLVhzx20aD42gVGqUsfOr5iHw3ItTVnQtlbUOpD 9Qa0AiBaMGnzIrIb5rTkyo1cNKFO8uzDOddu2KUP5pZsXnBqPwB2AESUZS6w7s6v xEAH2Kj+KMDa5oK+2MsxtT/TM5a1toGoAAABbwgJis8AAAQDAEcwRQIgLQuuBJ0c ZnGg3E918cNdAP3G6omlJyzzYP1h//FaipwCIQCVrbt36Htu7lVKVY1JLy30KyXE LcI4V/tTw6UwX1MvUgB2AG9Tdqwx8DEZ2JkApFEV/3cVHBHZAsEAKQaNsgiaN9kT AAABbwgJi+cAAAQDAEcwRQIhAIfldeStqlYiiYn9uDErTuHgExYo3OkDRScy6TF1 reRFAiAKT6NoBuejH3tm92K+kcly2T+0J7VQoRPgkr/gEpJMoDANBgkqhkiG9w0B AQsFAAOCAQEAn6KKGBK0gyax9wHDWYzvpvqS4giayKPcwiqeyWFc5oWzegpJrsav AgNPCIMig3r7p3TnzZ61L7d8PoxALXoGYwp++gbF2dXoZT8hdWVfg4IF4davS8ae E6dh9rKCKF+omNqXha0uTU9ZhdLnIW4eCKxtyhBJcAyMy2yLTZqPomQoi8WgmJzb aPjbKerR/mSFMUE2S60rs//fNQrpvpgD9AbeBOi5olOvcayQes1yZbahn0eKq+xn M2U499qqEB3LLp4hSoc+JrX07hof2TOl9Cmtasa+SZwSL8GeiM8XXHdzXNyGVjTN WgCl5yWd+3wUd8cmsTL3aXdLLuhsgKHAAg== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3sUEmL1DUNXyrGdJBbGc SnDv4bv88xVF7uGs7L+fRLYF2Cs0zpB+wbAC6gfApiAGyDC+jYwDUbvB9jI1nTzk ihd59xk2kDJqB8DYaP66Z3P80bAFJS9zlK+fhfzzzS6cnvoUdCeLsUK1M0DSfE9P aSN0ATmOIkge9d7u2ZAPpaKzdZS2vDD64SUYQC8y8sVggVVsKbfuYwTyGc2EnZo9 CX3uz/vtGFE1JA26N4SgiOuNWt2jbzzghTaXf4l4rAr5DD7EXaM6MDxl9YaJ58Ox y0qaZ39x3M7FDBavo2ht0rvthTulDEZZgHZquOxeH8DpXopfT3UXG1XehZC29FBO 6QIDAQAB -----END PUBLIC KEY-----
ASN.1 decoded
[c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . [c:2|t:0|true] OtherName . . . . . . . . . . . . [c:0|t:2|false] INTEGER 2 . . . . . . . . [c:0|t:2|false] INTEGER 259629544715019035522707692372192448925 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption) . . . . . . . . . . . . [c:0|t:5|false] NULL . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.6 (countryName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'GB' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.8 (stateOrProvinceName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Greater Manchester' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.7 (localityName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Salford' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.10 (organizationName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Sectigo Limited' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Sectigo RSA Domain Validation Secure Server CA' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-12-15 00:00:00 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2021-12-14 23:59:59 +0000 UTC . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'daotao.humg.edu.vn' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.1 (rsaEncryption) . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (2160 bits) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 28122056877328116398371727242262835050656672812178701791353725544698875482442078893150338710775733822641693289370007426580116196735457965605496385340003083946263447454154808005821934111930878005244016277032440861676623717144795126464133579284451733178350899517171014383530646956212424210745658600829918492168156229044752676123241028631462271433428670458233509141804192309957765311270765411543113601939390946845946229528585598470769722440338779519084271066465125553971420034952648186453145642902510704320561579282984099037613621482941854235970110100273206612030094197981187482246995233429537450000234818326033226288873 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 65537 . . . . . . . . [c:2|t:3|true] ORAddress . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35 (authorityKeyIdentifier) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName 8d8c5ec454ad8ae177e99bf99b05e1b8018d61e1 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.14 (subjectKeyIdentifier) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes) 9d4a0f87acbedcd76198378e3dd9e0b1da549297 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.15 (keyUsage) . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (4 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (3 bits) 05a0 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19 (basicConstraints) . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.37 (extKeyUsage) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.1 (serverAuth) . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2 (clientAuth) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32 (certificatePolicies) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (66 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.6449.1.2.2.7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'https://sectigo.com/CPS' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.23.140.1.2.1 (Domain Validation Certificates Policy) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1 (authorityInfoAccess) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (120 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2 (caIssuers) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://crt.sectigo.com/SectigoRSADomainValidationSecureServerCA.crt' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.1 (ocsp) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://ocsp.sectigo.com' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17 (subjectAltName) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (46 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'daotao.humg.edu.vn' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.daotao.humg.edu.vn' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.11129.2.4.2 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (365 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (361 bytes) 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 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption) . . . . . . . . [c:0|t:5|false] NULL . . . . [c:0|t:3|false] BIT STRING (2048 bits) 009fa28a1812b48326b1f701c3598cefa6fa92e2089ac8a3dcc22a9ec9615ce685b37a0a49aec6af02034f088322837afba774e7cd9eb52fb77c3e8c402d7a06630a7efa06c5d9d5e8653f2175655f838205e1d6af4bc69e13a761f6b282285fa898da9785ad2e4d4f5985d2e7216e1e08ac6dca1049700c8ccb6c8b4d9a8fa264288bc5a0989cdb68f8db29ead1fe64853141364bad2bb3ffdf350ae9be9803f406de04e8b9a253af71ac907acd7265b6a19f478aabec67336538f7daaa101dcb2e9e214a873e26b5f4ee1a1fd933a5f429ad6ac6be499c122fc19e88cf175c77735cdc865634cd5a00a5e7259dfb7c1477c726b132f769774b2ee86c80a1c002