ISRG Root X2

Basic Information

Subject DN
C=US, O=Internet Security Research Group, CN=ISRG Root X2
Issuer DN
C=US, O=Internet Security Research Group, CN=ISRG Root X1
Serial
Decimal: 10126462700708491348274246233644721251
Hex: 0x79e492886376fd40848c23fc631e463
Validity
2020-09-04 00:00:00to 2025-09-15 16:00:00 (1837 days, 16:00:00)

Fingerprint

SHA-256
8b05b68cc659e5ed0fcb38f2c942fbfd200e6f2ff9f85d63c6994ef5e0b02701
SHA-1
151682f5218c0a511c28f4060a73b9ca78ce9a53
MD5
29f1c1b26d92e893b6e6852ab708cce1

Public Key

Key Type
ECDSA (P-384)
P
ff:​ff:​ff:​ff:​ff:​ff:​ff:​ff:​ff:​ff:​ff:​ff:​ff:​ff:​ff:​ff:​ff:​ff:​ff:​ff:​ff:​ff:​ff:​ff:​ff:​ff:​ff:​ff:​ff:​ff:​ff:​fe:​ff:​ff:​ff:​ff:​00:​00:​00:​00:​00:​00:​00:​00:​ff:​ff:​ff:​ff
N
ff:​ff:​ff:​ff:​ff:​ff:​ff:​ff:​ff:​ff:​ff:​ff:​ff:​ff:​ff:​ff:​ff:​ff:​ff:​ff:​ff:​ff:​ff:​ff:​c7:​63:​4d:​81:​f4:​37:​2d:​df:​58:​1a:​0d:​b2:​48:​b0:​a7:​7a:​ec:​ec:​19:​6a:​cc:​c5:​29:​73
B
b3:​31:​2f:​a7:​e2:​3e:​e7:​e4:​98:​8e:​05:​6b:​e3:​f8:​2d:​19:​18:​1d:​9c:​6e:​fe:​81:​41:​12:​03:​14:​08:​8f:​50:​13:​87:​5a:​c6:​56:​39:​8d:​8a:​2e:​d1:​9d:​2a:​85:​c8:​ed:​d3:​ec:​2a:​ef
Gx
aa:​87:​ca:​22:​be:​8b:​05:​37:​8e:​b1:​c7:​1e:​f3:​20:​ad:​74:​6e:​1d:​3b:​62:​8b:​a7:​9b:​98:​59:​f7:​41:​e0:​82:​54:​2a:​38:​55:​02:​f2:​5d:​bf:​55:​29:​6c:​3a:​54:​5e:​38:​72:​76:​0a:​b7
Gy
36:​17:​de:​4a:​96:​26:​2c:​6f:​5d:​9e:​98:​bf:​92:​92:​dc:​29:​f8:​f4:​1d:​bd:​28:​9a:​14:​7c:​e9:​da:​31:​13:​b5:​f0:​b8:​c0:​0a:​60:​b1:​ce:​1d:​7e:​81:​9d:​7a:​43:​1d:​7c:​90:​ea:​0e:​5f
x
cd:​9b:​d5:​9f:​80:​83:​0a:​ec:​09:​4a:​f3:​16:​4a:​3e:​5c:​cf:​77:​ac:​de:​67:​05:​0d:​1d:​07:​b6:​dc:​16:​fb:​5a:​8b:​14:​db:​e2:​71:​60:​c4:​ba:​45:​95:​11:​89:​8e:​ea:​06:​df:​f7:​2a:​16
y
1c:​a4:​b9:​c5:​c5:​32:​e0:​03:​e0:​1e:​82:​18:​38:​8b:​d7:​45:​d8:​0a:​6a:​6e:​e6:​00:​77:​fb:​02:​51:​7d:​22:​d8:​0a:​6e:​9a:​5b:​77:​df:​f0:​fa:​41:​ec:​39:​dc:​75:​ca:​68:​07:​0c:​1f:​ea
SPKI SHA-256
762195c225586ee6c0237456e2107dc54f1efc21f61a792ebd515913cce68332

Signature

Algorithm
SHA256-RSA (1.2.840.113549.1.1.11)
Signature
1b:​7f:​25:​2b:​90:​7a:​08:​76:​00:​77:​18:​e1:​c3:​2e:​8a:​36:​4c:​41:​7e:​bf:​17:​4b:​e3:​30:​d7:​5b:​0c:​7e:​9c:​96:​98:​6f:​7b:​b0:​68:​c0:​24:​44:​cc:​e2:​f2:​fc:​d1:​ea:​db:​d2:​9f:​01:​f9:​17:​4d:​0c:​9d:​55:​fd:​a5:​ad:​6d:​d2:​2f:​3f:​4b:​72:​c0:​2e:​ae:​73:​c7:​25:​16:​57:​c2:​3e:​15:​ad:​e0:​31:​d1:​0a:​84:​84:​6c:​62:​78:​42:​31:​22:​46:​1a:​ed:​7a:​40:​bf:​97:​16:​81:​44:​77:​ca:​6c:​7b:​5d:​21:​5c:​07:​f2:​11:​91:​21:​bf:​e1:​2f:​c2:​ef:​6e:​fd:​05:​20:​e4:​b4:​f7:​79:​f3:​2d:​bb:​37:​2a:​f0:​c6:​b1:​ac:​ac:​51:​f5:​1f:​b3:​5a:​1e:​66:​ce:​58:​07:​18:​38:​7f:​71:​a9:​3c:​83:​ba:​d7:​bc:​82:​9e:​9a:​76:​0f:​9e:​b0:​29:​fd:​cb:​f3:​89:​07:​48:​1b:​fe:​ab:​93:​2e:​14:​21:​0d:​5f:​af:​8e:​b7:​54:​ab:​5d:​0e:​d4:​5b:​4c:​71:​d0:​92:​ea:​3d:​a3:​36:​9b:​7c:​1f:​e0:​3b:​55:​b9:​d8:​53:​53:​cc:​83:​66:​bb:​4a:​dc:​81:​06:​00:​18:​8b:​f4:​b3:​d7:​48:​b1:​13:​41:​b9:​c4:​b6:​9e:​cf:​2c:​77:​8e:​42:​20:​0b:​80:​7e:​9f:​c5:​ab:​48:​db:​bc:​6f:​04:​8d:​6c:​46:​29:​02:​0d:​70:​8a:​1d:​f1:​12:​73:​b6:​46:​24:​42:​9e:​2a:​17:​18:​e3:​ac:​c7:​98:​c2:​72:​cc:​6d:​2d:​76:​6d:​dd:​2c:​2b:​26:​96:​a5:​cf:​21:​08:​1b:​e5:​da:​2f:​cb:​ef:​9f:​73:​93:​ae:​f8:​36:​5f:​47:​8f:​97:​28:​ce:​ab:​e2:​98:​26:​98:​8b:​fd:​ee:​28:​32:​22:​29:​ed:​4c:​95:​09:​c4:​20:​fa:​07:​e1:​86:​2c:​44:​f6:​81:​47:​c0:​e4:​62:​32:​ed:​1d:​d8:​3c:​48:​88:​96:​c3:​5e:​91:​b6:​af:​7b:​59:​a4:​ee:​e3:​86:​9c:​c7:​88:​58:​ca:​28:​2a:​66:​55:​9b:​85:​80:​b9:​1d:​d8:​40:​2b:​c9:​1c:​13:​3c:​a9:​eb:​de:​99:​c2:​16:​40:​f6:​f5:​a4:​ae:​2a:​25:​6c:​52:​ba:​c7:​04:​4c:​b4:​32:​bb:​fc:​38:​5c:​a0:​0c:​61:​7b:​57:​ec:​77:​4e:​50:​cf:​af:​06:​a2:​0f:​37:​8c:​e1:​0e:​d2:​d3:​2f:​1a:​bd:​9c:​71:​3e:​cc:​e1:​f8:​d1:​a8:​a3:​bd:​04:​f6:​19:​c0:​f9:​86:​af:​f5:​0e:​1a:​aa:​95:​6b:​ef:​ca:​47:​71:​4b:​63:​1c:​4d:​96:​db:​55:​23:​0a:​9d:​0f:​81:​75:​a0:​e6:​40:​f5:​64:​46:​03:​6e:​ce:​fa:​6a:​7d:​06:​ec:​a4:​34:​06:​74:​da:​53:​d8:​b9:​b8:​c6:​23:​7d:​a9:​f8:​2a:​2d:​a4:​82:​a6:​2e:​2d:​11:​ca:​e6:​cd:​31:​58:​79:​85:​e6:​72:​1c:​a7:​9f:​d3:​4c:​d0:​66:​d0:​a7:​bb]

Extensions

Auth Key ID
79b459e67bb6e5e40173800888c81a58f6e99b6e [parents] [siblings]
Subject Key ID
7c4296aede4b483bfa92f89e8ccf6d8ba9723795 [children]
Key Usage
Certificate Sign, CRL Sign
CRL Paths
http://x1.c.lencr.org/
Policies
CA/B Forum Domain Validated (2.23.140.1.2.1)
Let's Encrypt (1.3.6.1.4.1.44947.1.1.1)
Constraints
Is CA: True
AIA Paths
Issuer: http://x1.i.lencr.org/

Browser Trust

Apple
Trusted Intermediate
Microsoft
Trusted Intermediate
Mozilla NSS
Trusted Intermediate

Key Usage and Constraints

Is CA?
True
Key Usage
Certificate Sign, CRL Sign

Certificate Transparency

Comodo Dodo
2020-09-04 04:19 6,662,858
Comodo Mammoth
2020-09-04 21:18 346,881,593
Comodo Sabre
2020-09-04 21:18 175,763,070

Censys Metadata

Added At
2020-09-04 04:28:25
Updated At
2020-09-04 21:38:46
Source
Certificate Transparency
Seen in Scan
False
Tags
dv, unexpired, intermediate, trusted, ct