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=www.asimonetworks.eu
Issuer
C=US O=Let's Encrypt CN=YR2
Valid from
2026-08-17T12:23:53+00:00
Expires
2026-11-15T12:23:52+00:00
Days remaining
48
Serial (hex)
057ECF21EA983B47F1309CB38136BED761D8
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

2C:C1:DE:47:E3:63:8D:76:0F:63:CC:C4:74:8B:6C:EC:F0:BC:43:D7:9A:28:2C:77:F9:4F:01:C2:31:9F:F2:3C
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
51:A0:35:AD:90:8F:0E:B3:2C:28:80:16:92:E5:E0:66:EF:4A:8D:10
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/89.crl
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 46:AF:86:3D:3B:3E:E5:9F:A5:77:DE:A8:24:5D:36:B0: D9:ED:22:A2:23:F4:61:77:41:22:94:52:EE:95:50:5F Timestamp : Aug 17 13:22:24.352 2026 GMT Extensions: 00:00:05:00:14:EC:C8:3D Signature : ecdsa-with-SHA256 30:45:02:20:4A:61:EE:A5:99:F5:E2:6C:1E:AE:48:25: 7E:9C:8F:87:B7:06:6F:9C:FE:8D:94:30:B8:52:89:20: A4:8D:3B:5C:02:21:00:AA:F1:25:27:C7:77:64:AF:48: 65:D9:05:EB:8D:98:37:18:87:F6:7E:55:4F:9A:6D:2E: 68:27:7C:60:A3:A8:FE Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 94:4E:43:87:FA:EC:C1:EF:81:F3:19:24:26:A8:18:65: 01:C7:D3:5F:38:02:01:3F:72:67:7D:55:37:2E:19:D8 Timestamp : Aug 17 13:22:28.125 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:A3:61:58:04:38:74:E9:AF:A0:82:9D: 81:DC:FF:F3:53:17:99:48:69:4E:A6:F8:C8:32:95:89: DF:E1:A4:27:57:02:21:00:B1:FA:C1:F5:3A:87:84:9B: E7:DB:4F:07:2B:31:C7:70:33:10:E9:2E:45:AD:22:B3: C8:5B:29:1A:1E:EA:D0:25
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-09-27T23:03:03+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
706
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-----
MIIE2jCCAsKgAwIBAgIQTr0klH4k05SALYSlL9WzGTANBgkqhkiG9w0BAQsFADAu
MQswCQYDVQQGEwJVUzENMAsGA1UEChMESVNSRzEQMA4GA1UEAxMHUm9vdCBZUjAe
Fw0yNTA5MDMwMDAwMDBaFw0yODA5MDIyMzU5NTlaMDMxCzAJBgNVBAYTAlVTMRYw
FAYDVQQKEw1MZXQncyBFbmNyeXB0MQwwCgYDVQQDEwNZUjIwggEiMA0GCSqGSIb3
DQEBAQUAA4IBDwAwggEKAoIBAQDZ0LxwBppqh84luqMerV/eeL/fXQ7mLQQv1Lnp
WKZbyvGpx6wh6AfnslAnF6ewTkcHA+gSOoBvm3Dfm06AuGiF+KRut4fAcowqnAQQ
CW98+QPP/eOv/wug7Iyk4NkOxf2I6g2f55T6nJoOTLFcukeRq80JGQEYan+dPFr9
OGUgQK2hGKgNkW87pappsOAuUJcroYhRt5uUis4qaZireiseu32gzDJNBAiKtsvd
6HX4v25bpkRNcS/B/Gtc9kVbUpD+2PLPxdei3Tim55k4tfAEXwD2qyiPTxrTNq6l
N+AMr5g2c1dNqkOTwjxeV6L5lpP1rGiYvLnRaPlOqyZRPW+5AgMBAAGjge4wgesw
DgYDVR0PAQH/BAQDAgGGMBMGA1UdJQQMMAoGCCsGAQUFBwMBMBIGA1UdEwEB/wQI
MAYBAf8CAQAwHQYDVR0OBBYEFEAVLSZ57TIgnt+ach3WMh+BDIEMMB8GA1UdIwQY
MBaAFN7nW2DQIm1AKH0/DQH+pLVStFGUMDIGCCsGAQUFBwEBBCYwJDAiBggrBgEF
BQcwAoYWaHR0cDovL3lyLmkubGVuY3Iub3JnLzATBgNVHSAEDDAKMAgGBmeBDAEC
ATAnBgNVHR8EIDAeMBygGqAYhhZodHRwOi8veXIuYy5sZW5jci5vcmcvMA0GCSqG
SIb3DQEBCwUAA4ICAQB0ZUQWZ9/Yn9COEpo+JfecMnB0h0vwDm/M66IqXqw3LoaL
mx9lZvRTeDIS67PUeI3yCA2W6PKRD0/FE/G57lOmS+Xy5AaaL00ICGOqjNcCaMWW
8o8nevHOd4i4lqgtznE/28QwlcdJyF8yBiWHpnyjhEpmNWJURgOCOg2xpwRMBCsj
MScqYPtOhBeuYQvSwAEeTML2Ukh6uGuX4E14q65Ja8cdjF5bAldnP1eE4FBaAwsZ
G2fOqqrKV03Y85Nw2btedP1AtliQuJZs/Jo/gXxXdc7LrH3McgnpnbTiAncX7yES
hP6kzQejllqMCIt52HOjxDGWafS7Xw+DKwqmH+Eqy8dcbOuag/1AYlQoKNVK3F5q
Hh6tEDiMqQcLIibGKteE6iHo4A/bIScbzrhXUYuism42ZYzmc48FMVIH3qy4L84E
TdAH2gtxw0PAhvRVXp8HP7wfngpzsN/8xOTpeRSbM4+Qbc56G6+Bifmv6sk1ieQb
NA3wJdl4DDUuQSV8hBgx6zoI1ZSGORprDFux7c6rhc77QZMSRrEgomBeklervEve
86ylWmZ3WWHV6RLMi8xNvjd71r4EPIGgY7BZU/VPBkq+uA7Gb6mbJnFgV43uh3xy
LRFgxIAphIukwTGSMZZR+AI+Qnp0BYTWovHXozOf3H8r6hozEoT02JHn0AeTfA==
-----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
2167
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-----
MIIF9DCCA9ygAwIBAgIRAPJLbRf52a18scn+p4eCaZ8wDQYJKoZIhvcNAQELBQAw
TzELMAkGA1UEBhMCVVMxKTAnBgNVBAoTIEludGVybmV0IFNlY3VyaXR5IFJlc2Vh
cmNoIEdyb3VwMRUwEwYDVQQDEwxJU1JHIFJvb3QgWDEwHhcNMjYwNTEzMDAwMDAw
WhcNMzIwOTAyMjM1OTU5WjAuMQswCQYDVQQGEwJVUzENMAsGA1UEChMESVNSRzEQ
MA4GA1UEAxMHUm9vdCBZUjCCAiIwDQYJKoZIhvcNAQEBBQADggIPADCCAgoCggIB
ANvGJnN78CTJdWL3+eGfsLN5TrNBJs+VH9hRXqRbwxu9sGNiB0BD1fcOxbSUQCJI
M1xE13Db+5Cw1w0s0EBYsvuIP/6joF0w8cuImbgR1OGgYbSQ4OpzI+DG8SGuTlcE
873OCS+kh3srlo6vl43M5OJg4Aeo1sfHp6kTJDoIiFBNJAY+OKfX/FUvYKuhjT+n
o49lmqmupSBI5PkBQiqrEGtWU5uxU/cQWHGu8jSjFBznZqvbNPLMXMLFxCb3WTfr
JBXXjqvWG+v4bjzxjjeAtOlU7qarRDvNOyAuQYLln904M+faKx8hnLCpJ15ZqaEg
cNlY+9MMWcC5yvL2A2j3l9+2buggZX+dOE91zYmIdawTvSZuVvlbRrAlLxIB6pwM
BjneXCjYQ8+3BCCjssbSNpZU3hTcBDdhfAlEDlYr6pEatnMdmDT5BqnKC92bd0Eh
M1fbLHioLccLCuievT8ZkPhZrq7Mii7gNXAcUEAR8+lzYal+9zTg7C5DALyVOeG/
CqfRAMn1KSHCR0NSA6P8tn/mGRlnCct5rtVCLnVySVpU6H1qGg3DgTOuskf8eahT
MiYbI5ezPJmO5ertalskQ1utp74+eDy92PI4ftHKTbq9IWhH4YZKh3WnJEIt+oQv
lYZbY8tpEroKrFB6PFGzrJIDRyts4HqvuH52RFj2zv/BAgMBAAGjgeswgegwDgYD
VR0PAQH/BAQDAgEGMBMGA1UdJQQMMAoGCCsGAQUFBwMBMA8GA1UdEwEB/wQFMAMB
Af8wHQYDVR0OBBYEFN7nW2DQIm1AKH0/DQH+pLVStFGUMB8GA1UdIwQYMBaAFHm0
WeZ7tuXkAXOACIjIGlj26ZtuMDIGCCsGAQUFBwEBBCYwJDAiBggrBgEFBQcwAoYW
aHR0cDovL3gxLmkubGVuY3Iub3JnLzATBgNVHSAEDDAKMAgGBmeBDAECATAnBgNV
HR8EIDAeMBygGqAYhhZodHRwOi8veDEuYy5sZW5jci5vcmcvMA0GCSqGSIb3DQEB
CwUAA4ICAQA8spSI95KKfn2W6GMmDpHBJSPaLbsS3W93cijJCRCYAc1fsJgL1FIL
7C0C9ecPOdcwB2fi0Dk2p94j9iTJCxmt5CFSKLRWwnXT2MMSXexVxqoVB79BdWPx
VXETkVme/qYSAuKVHh5Ps+5BixgmwS1JkjSAc+MfrUbNssVEEnH0aEiAh+rotXAV
JSP/Ye7LJPEwD9DWG72vVWbhAcuOf5OLjz57Ctk7MgQHynZ7+PlHJtajroCaIbtC
r6tcZZaAwUQm+jQyeWdV+2hv9deOYFmKeQyjjcSrN5Nadrw+L9DZJLbA1HqeNvLh
BgqpP0fvJq2N6EtD574N6eMI7uMsJTnji2UDz9el5XLSv9fqJMuDQtYVb2oTNoKp
oUqhxPVC0aq4eG5MESaIdn8b5ZGSSeAJLMHXljEdlNza+ncfkviXk1POLnnFdvx8
/gk6M374WbLWFXw8N141B/Rl/tINGfl1TxOIiqtiMYkL02RSGb1kq34BL9NPP27z
RGMuHGnzS3hFIrRTfKxrzUZ9RzQWzEG3K6fJ3r2nqSltkeytis9DIBoFY9VmVyjL
M71DMi+y1+TRSJVClEMwvA4yL++7q9XZx5r5wBRWB4kQTKH5qyoZnDw7iiuh1lID
yDFx8r7i9vIJU5HS3moZLkYWAOilMaV9N56A9Bgb6dNcHkvg3NoaYA==
-----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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