1tac.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:63:5a:2c:81:3b:c1:aa:30:b8:d4:e8:17:4b:6c:06:6a:7e was issued on by Let's Encrypt.

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=1tac.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:63:5a:2c:81:3b:c1:aa:30:b8:d4:e8:17:4b:6c:06:6a:7e
Serial Number (int): 295144673722301302597497850938093715483262
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 88:b9:ce:b4:34:b5:53:3c:95:d6:7a:be:8e:3c:ca:49:d6:ff:5a:2e
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): eb:a2:21:c3:a6:02:de:94:7c:47:ca:ec:46:a3:f7:9d:a2:40:13:34
Fingerprint (sha256): 13:59:3a:9c:af:3b:4a:fc:dc:ad:f0:64:bf:56:cf:1e:a6:b1:31:f8:01:d2:a0:f6:48:7e:7d:a6:b2:d2:e9:13

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate 1tac.com

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for 1tac.com

Public Key Algorithm

RSA

Key Size

4096

Signature Algorithm

SHA256 with RSA

Key Usage

Digital Signature
Key Encipherment

Extended Key Usages

Server Authentication
Client Authentication

Extensions

8 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

1tac.com
www.1tac.com

Other certificates including the domain name 1tac.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for 1tac.com in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 295144673722301302597497850938093715483262
 . . . . . . . . [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 'US'
 . . . . . . . . . . . . [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 'Let's Encrypt'
 . . . . . . . . . . . . [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 'Let's Encrypt Authority X3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-12-31 16:59:18 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-03-31 16:59:18 +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 '1tac.com'
 . . . . . . . . [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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 809737645896453988143709688139812637217536310098721998268188497541684463310219831122730389195699665471789285405127096233939871710827013912158965254907194484480757604150999522433961152816902496227996263480572791206968415527000030055987888455544734884559280357595271147696804438900485820054410582728160682876382920065950171913888149270378158340581057030230321912826243352210294937080592775832284599975463549399492869214494500004766037145248513769150224208243622994914636530820212031079521028092521811330815621565772999627227715655549348175308742711219877665086891691938623468469070394580579002695742731646303956446278340459498411419538175173013068571974987357420785411835479654618565132880877695341391393350286329338456452861181535782456090331164400831079711383216263135105161971953651172957557512951620469423779324794729971659547079284516028069334437333069043452931483965598384700386090958880970233561922940585043034120272089246534504424129288064881518654990407204273204363599811909915478601976356795461570253643689879282423138623526465435415202953689515412326547485933139905856043656098429274100113520787937770406968448848240334407380135681440833918454310411771940115363565898070009937566586302283149065310833354443203388945694734667
 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.15 (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 2.5.29.37 (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 2.5.29.19 (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 2.5.29.14 (subjectKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							88b9ceb434b5533c95d67abe8e3cca49d6ff5a2e
 . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1
 . . . . . . . . . . . . . . . . [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 (99 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.1 (ocsp)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://ocsp.int-x3.letsencrypt.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://cert.int-x3.letsencrypt.org/'
 . . . . . . . . . . . . . . . . [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 (26 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '1tac.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.1tac.com'
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.23.140.1.2.1 (Domain Validation Certificates Policy)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.44947.1.1.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 'http://cps.letsencrypt.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.2 (unotice)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'This Certificate may only be relied upon by Relying Parties and only in accordance with the Certificate Policy found at https://letsencrypt.org/repository/'
 . . . . [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)
		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