ISRG Root X1
Basic Information
- Subject DN
- C=US, O=Internet Security Research Group, CN=ISRG Root X1
- Issuer DN
- C=US, O=Internet Security Research Group, CN=ISRG Root X1
- Serial
- Decimal: 172886928669790476064670243504169061120
Hex: 0x8210cfb0d240e3594463e0bb63828b00 - Validity
- 2015-06-04 11:04:38to 2035-06-04 11:04:38 (7305 days, 0:00:00)
Fingerprint
- SHA-256
- 96bcec06264976f37460779acf28c5a7cfe8a3c0aae11a8ffcee05c0bddf08c6
- SHA-1
- cabd2a79a1076a31f21d253635cb039d4329a5e8
- MD5
- 0cd2f9e0da1773e9ed864da5e370e74e
Public Key
- Key Type
- 4096-bit RSA, e = 65,537 Strong
- Modulus
- SPKI SHA-256
- 0b9fa5a59eed715c26c1020c711b4f6ec42d58b0015e14337a39dad301c5afc3
Signature
- Algorithm
- SHA256-RSA (1.2.840.113549.1.1.11)
- Signature
Extensions
- Subject Key ID
- 79b459e67bb6e5e40173800888c81a58f6e99b6e [children]
- Key Usage
- Certificate Sign, CRL Sign
- Constraints
- Is CA: True
Browser Trust
- Apple
- Trusted Root
- Microsoft
- Self-Signed
- Mozilla NSS
- Trusted Root
- Google CT
- Trusted Root
Key Usage and Constraints
- Is CA?
- True
- Key Usage
- Certificate Sign, CRL Sign
Certificate Transparency
- Comodo Dodo
- 2017-04-21 14:25:32.855Z 3,924,323
- Comodo Mammoth
- 2019-01-24 11:58:39.586Z 118,898,388
- Comodo Sabre
- 2019-01-24 11:58:31.770Z 139,167,704
- Digicert CT2
- 2019-01-24 11:59:53.966Z 23,643,376
- Icarus
- 2016-11-30 00:19:14.916Z 249,103
- Pilot
- 2017-01-17 11:07:31.002Z 63,476,729
- Rocketeer
- 2017-01-17 11:34:05.578Z 60,839,351
- Submariner
- 2016-03-14 04:12:33.449Z 158,029
Censys Metadata
- Added At
- 1970-01-01 00:
- Updated At
- 2019-01-25 01:00:25Z
- Source
- Scan
- Tags
- unexpired, unknown, trusted, was-trusted, ct