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

northstate.net · 23.185.0.4:443

Verified

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

Subject
CN=dvrscheduler.northstate.net
Issuer
C=US O=Let's Encrypt CN=YR2
Valid from
2026-09-30T15:54:28+00:00
Expires
2026-12-29T15:54:27+00:00
Days remaining
83
Serial (hex)
0684D3F75E0AE00843938C78CC69D3370953
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:dvrscheduler.northstate.net, DNS:insights.northstate.net, DNS:lumosfiber.com, DNS:lumosnetworks.com, DNS:myaccount.northstate.net, DNS:northstate.net, DNS:pr.northstate.net, DNS:rsb.lumosnetworks.com, DNS:stayconnected.northstate.net, DNS:www.lumosfiber.com, DNS:www.lumosnetworks.com, DNS:www.northstate.net

SHA-256 fingerprint

BE:F5:60:8E:49:25:6C:75:A3:51:27:2B:05:76:AE:18:CF:E3:FE:6F:AD:D4:8E:E7:06:1A:9D:E6:84:8D:50:66
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
82:A2:6F:3D:56:4C:73:96:35:D8:22:5B:EE:7F:EB:85:37:C6:A2:78
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:dvrscheduler.northstate.net, DNS:insights.northstate.net, DNS:lumosfiber.com, DNS:lumosnetworks.com, DNS:myaccount.northstate.net, DNS:northstate.net, DNS:pr.northstate.net, DNS:rsb.lumosnetworks.com, DNS:stayconnected.northstate.net, DNS:www.lumosfiber.com, DNS:www.lumosnetworks.com, DNS:www.northstate.net
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr2.c.lencr.org/84.crl
ct_precert_scts
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 : Sep 30 16:52:59.142 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:91:80:AF:1C:BD:9A:29:87:59:70:1B: A5:EF:24:0D:07:06:EA:61:0D:E1:0A:F3:DA:73:1F:08: 48:9E:62:37:1C:02:20:6C:3A:C3:EB:03:19:96:6F:51: B2:7A:B7:66:B8:2C:FC:D4:E4:97:F2:E1:8F:05:29:01: 89:4B:13:27:89:4D:CE Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 26:E3:64:6E:58:69:21:23:BC:34:3F:47:24:35:9B:37: 92:CD:24:5A:88:D8:15:D3:93:33:FD:99:18:AB:47:23 Timestamp : Sep 30 16:52:56.518 2026 GMT Extensions: 00:00:05:00:48:4B:8A:91 Signature : ecdsa-with-SHA256 30:44:02:20:3D:F3:47:BD:DB:A2:8F:91:98:0B:CA:68: EA:46:90:F0:AB:B5:93:BD:F5:34:65:D4:32:2C:40:47: 5D:FA:4E:7B:02:20:43:E7:FC:8A:EE:1D:94:93:2A:DA: B7:DD:D4:60:08:FF:AB:CE:7C:B8:66:BC:9A:C4:E6:F8: 81:BD:8A:01:2D:DC
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-10-06T20:14:57+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
697
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
2158
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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