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

asimonetworks.com · 185.85.209.2:443

Verified

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

Subject
CN=asimonetworks.eu
Issuer
C=US O=Let's Encrypt CN=YR2
Valid from
2026-10-17T12:23:55+00:00
Expires
2027-01-15T12:23:54+00:00
Days remaining
62
Serial (hex)
06C1E7C82E071885E8CD5F470486F0E7A820
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:asimo.co.nl, DNS:asimo.nl, DNS:asimonetworks.com, DNS:asimonetworks.eu, DNS:asimonetworks.nl, DNS:mail.asimonetworks.eu, DNS:www.asimo.co.nl, DNS:www.asimo.nl, DNS:www.asimonetworks.com, DNS:www.asimonetworks.eu, DNS:www.asimonetworks.nl

SHA-256 fingerprint

FF:EB:97:F0:12:0F:05:B3:09:5B:1B:29:6A:02:DA:73:1F:B4:FF:40:A6:56:5A:F6:2E:CE:17:58:30:1B:7E:20
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
53:65:4E:5D:9A:2E:1F:C4:4D:E7:D8:C0:A4:A9:A6:E1:78:CD:A0:DC
authorityKeyIdentifier
40:15:2D:26:79:ED:32:20:9E:DF:9A:72:1D:D6:32:1F:81:0C:81:0C
authorityInfoAccess
CA Issuers - URI:http://yr2.i.lencr.org/
subjectAltName
DNS:asimo.co.nl, DNS:asimo.nl, DNS:asimonetworks.com, DNS:asimonetworks.eu, DNS:asimonetworks.nl, DNS:mail.asimonetworks.eu, DNS:www.asimo.co.nl, DNS:www.asimo.nl, DNS:www.asimonetworks.com, DNS:www.asimonetworks.eu, DNS:www.asimonetworks.nl
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr2.c.lencr.org/33.crl
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 00:1A:5D:1A:1C:2D:93:75:B6:48:55:78:F8:2F:71:A1: AE:6E:EF:39:7D:29:7C:8A:E3:15:7B:CA:DE:E1:A0:1E Timestamp : Oct 17 13:22:25.370 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:5A:8B:53:F6:45:C7:2B:7E:AB:6B:48:7D: 52:D0:DD:6E:6E:F8:75:D0:8A:7B:8E:DA:54:9A:8C:78: 97:D0:3D:FA:02:20:1C:74:A0:49:BD:0A:C1:02:87:CF: 1B:4E:75:5B:AC:4C:E0:B7:39:3D:B3:ED:8F:C9:29:E1: 73:C7:72:66:D1:0B Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 8E:CA:47:0B:AC:DE:6A:F3:A2:06:B0:A4:7A:84:B7:46: FE:1F:C6:BF:95:3E:25:E6:9B:4E:E4:02:48:F3:C6:E8 Timestamp : Oct 17 13:22:25.723 2026 GMT Extensions: 00:00:05:00:26:73:D6:AA Signature : ecdsa-with-SHA256 30:45:02:21:00:FA:9F:A2:B5:A6:42:70:9C:D3:37:85: B1:41:01:61:AC:6F:3C:E5:0B:63:46:1B:D6:2B:D9:3B: B6:26:0B:3D:16:02:20:18:2C:AA:3F:AC:65:B5:36:65: 42:F9:14:D4:7B:80:4F:37:6C:A3:54:EE:57:B8:5F:3F: 15:34:5D:89:7F:9B:8B
-----BEGIN CERTIFICATE-----
MIIFsTCCBJmgAwIBAgISBsHnyC4HGIXozV9HBIbw56ggMA0GCSqGSIb3DQEBCwUA
MDMxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQwwCgYDVQQD
EwNZUjIwHhcNMjYxMDE3MTIyMzU1WhcNMjcwMTE1MTIyMzU0WjAbMRkwFwYDVQQD
ExBhc2ltb25ldHdvcmtzLmV1MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKC
AQEAsM64OGTw98BAac9UVoYJHPgrc3Y+F+s8klrWzTdKd7dzMDU3h1OmFJyYF1TM
EKAa1abcNhvVDSxuMD2KiS2U3WQhfIFsWeu0fjIsBU7HDOhWxuTdLPPwKejw8nku
pj+VlxSUIGzBgzt7PEXzSNw+IG0tcDEi0IdOA0lwpLplWcQxpaYGVyVwyR5yKMw5
aQVP7gsNQzVFiwfEgGL51Me/LkxLgSO9oY6Q37ZhDcP7i5oretky+ayWPsQP/dLo
1njxm7x1COrz3MZz0Zuwbj7drBnTr2B6gXINclbYTdvJIRBttJncqwf0EZZLTPww
gc1jikKXRFpGxrpz37DCpXKjowIDAQABo4IC1TCCAtEwDgYDVR0PAQH/BAQDAgWg
MBMGA1UdJQQMMAoGCCsGAQUFBwMBMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFFNl
Tl2aLh/ETefYwKSppuF4zaDcMB8GA1UdIwQYMBaAFEAVLSZ57TIgnt+ach3WMh+B
DIEMMDMGCCsGAQUFBwEBBCcwJTAjBggrBgEFBQcwAoYXaHR0cDovL3lyMi5pLmxl
bmNyLm9yZy8wgdIGA1UdEQSByjCBx4ILYXNpbW8uY28ubmyCCGFzaW1vLm5sghFh
c2ltb25ldHdvcmtzLmNvbYIQYXNpbW9uZXR3b3Jrcy5ldYIQYXNpbW9uZXR3b3Jr
cy5ubIIVbWFpbC5hc2ltb25ldHdvcmtzLmV1gg93d3cuYXNpbW8uY28ubmyCDHd3
dy5hc2ltby5ubIIVd3d3LmFzaW1vbmV0d29ya3MuY29tghR3d3cuYXNpbW9uZXR3
b3Jrcy5ldYIUd3d3LmFzaW1vbmV0d29ya3MubmwwEwYDVR0gBAwwCjAIBgZngQwB
AgEwLgYDVR0fBCcwJTAjoCGgH4YdaHR0cDovL3lyMi5jLmxlbmNyLm9yZy8zMy5j
cmwwggELBgorBgEEAdZ5AgQCBIH8BIH5APcAdQAAGl0aHC2TdbZIVXj4L3Ghrm7v
OX0pfIrjFXvK3uGgHgAAAaFKByfaAAAEAwBGMEQCIFqLU/ZFxyt+q2tIfVLQ3W5u
+HXQinuO2lSajHiX0D36AiAcdKBJvQrBAofPG051W6xM4Lc5PbPtj8kp4XPHcmbR
CwB+AI7KRwus3mrzogawpHqEt0b+H8a/lT4l5ptO5AJI88boAAABoUoHKTsACAAA
BQAmc9aqBAMARzBFAiEA+p+itaZCcJzTN4WxQQFhrG885QtjRhvWK9k7tiYLPRYC
IBgsqj+sZbU2ZUL5FNR7gE83bKNU7le4Xz8VNF2Jf5uLMA0GCSqGSIb3DQEBCwUA
A4IBAQBcoUQrzKUFz4UTG447uSJd3OhXPsec4FVG/XqCb5Oam0hUVDZ4s04cJbtC
L81ZjIzFJI3W/tM3KR/TYI+rqaDfZ9/moQB/qAUPoxBxNXNbZV/kFF9iYHGEh6wq
kZNhYSWvHdjN3L2E+hK/lh/EKHHmvKVCyP9yHAeCvojc357krwUgQ1TzBZ3Af3cL
79Iyq5fD1TTDdHzhrxvpviDFJq/1BpvOKjwgifOjp8QD37d0Wl/GmKV4dZsHoOpv
EAyLC60P6BDfOllFo+wmMQGVx29AKdOB5ZdlOc4qlS8H/bwkQcYawzKwHyQkjQJj
XAg+nstCLuNzyOuYhmtVJo+WAqM3
-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-11-13T14:31:41+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=US O=Let's Encrypt CN=YR2
Issuer
C=US O=ISRG CN=Root YR
Valid from
2025-09-03T00:00:00+00:00
Expires
2028-09-02T23:59:59+00:00
Days remaining
659
Serial (hex)
4EBD24947E24D394802D84A52FD5B319
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

23:8B:85:A0:09:9C:65:B9:70:47:7D:57:24:F1:A1:D4:75:CE:50:58:CF:FE:4E:FA:87:33:89:9B:DB:86:3C:47
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
40:15:2D:26:79:ED:32:20:9E:DF:9A:72:1D:D6:32:1F:81:0C:81:0C
authorityKeyIdentifier
DE:E7:5B:60:D0:22:6D:40:28:7D:3F:0D:01:FE:A4:B5:52:B4:51:94
authorityInfoAccess
CA Issuers - URI:http://yr.i.lencr.org/
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr.c.lencr.org/ 
-----BEGIN CERTIFICATE-----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==
-----END CERTIFICATE-----

Chain certificate 2

Subject
C=US O=ISRG CN=Root YR
Issuer
C=US O=Internet Security Research Group CN=ISRG Root X1
Valid from
2026-05-13T00:00:00+00:00
Expires
2032-09-02T23:59:59+00:00
Days remaining
2120
Serial (hex)
F24B6D17F9D9AD7CB1C9FEA78782699F
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

07:26:39:D0:B1:40:D5:BF:FA:E1:6A:D9:C3:F6:CC:60:86:04:06:21:F5:1E:E6:1A:6D:46:A8:91:5C:07:CF:76
Certificate extensions & PEM
keyUsage
Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:TRUE
subjectKeyIdentifier
DE:E7:5B:60:D0:22:6D:40:28:7D:3F:0D:01:FE:A4:B5:52:B4:51:94
authorityKeyIdentifier
79:B4:59:E6:7B:B6:E5:E4:01:73:80:08:88:C8:1A:58:F6:E9:9B:6E
authorityInfoAccess
CA Issuers - URI:http://x1.i.lencr.org/
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://x1.c.lencr.org/ 
-----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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