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

TLSv1.2

mx2.emailgate.se · 185.61.237.202:443

Verified

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

Subject
CN=diagonal.se
Issuer
C=GB O=Sectigo Limited CN=Sectigo Public Server Authentication CA DV R36
Valid from
2026-11-03T00:00:00+00:00
Expires
2027-05-20T23:59:59+00:00
Days remaining
189
Serial (hex)
51B99BEF941B09CAB8BC00B2C7628D22
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:diagonal.se, DNS:*.emailgate.se, DNS:*.firmanett.no, DNS:*.speedcom.se, DNS:*.yamito.se, DNS:emailgate.se, DNS:firmanett.no, DNS:speedcom.se, DNS:yamito.se

SHA-256 fingerprint

04:6A:F6:4A:57:86:EF:90:6C:20:99:F7:A6:50:F7:2E:08:2A:F8:8A:00:86:70:E9:99:41:C6:B7:1B:61:CC:A0
Certificate extensions & PEM
authorityKeyIdentifier
68:C0:12:16:18:0E:AF:CE:F6:87:A6:32:57:A3:46:51:5D:CB:07:27
subjectKeyIdentifier
38:FE:ED:D5:BE:06:60:B2:03:99:EC:FF:9C:1B:02:5B:85:8C:8E:22
keyUsage
Digital Signature, Key Encipherment
basicConstraints
CA:FALSE
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
certificatePolicies
Policy: 1.3.6.1.4.1.6449.1.2.2.7 CPS: https://sectigo.com/CPS Policy: 2.23.140.1.2.1
authorityInfoAccess
CA Issuers - URI:http://crt.sectigo.com/SectigoPublicServerAuthenticationCADVR36.crt OCSP - URI:http://ocsp.sectigo.com
subjectAltName
DNS:diagonal.se, DNS:*.emailgate.se, DNS:*.firmanett.no, DNS:*.speedcom.se, DNS:*.yamito.se, DNS:emailgate.se, DNS:firmanett.no, DNS:speedcom.se, DNS:yamito.se
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 : Nov 3 08:25:20.035 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:7E:20:4F:BD:A1:14:64:8F:A4:2A:1B:0C: B0:26:7E:7B:9F:54:FF:BD:73:16:37:BB:B6:16:07:C8: 3A:8F:06:3C:02:20:4C:CB:7A:58:A7:B8:0E:94:B7:81: D7:21:A0:FD:DF:43:BE:D6:2F:56:C8:16:B6:08:C1:48: 8D:FF:4F:83:85:7E 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 : Nov 3 08:25:20.148 2026 GMT Extensions: 00:00:05:00:36:B8:8F:AC Signature : ecdsa-with-SHA256 30:45:02:21:00:D1:C0:17:3E:61:49:2D:2B:01:A5:15: 4D:B9:24:F8:40:F4:49:B0:8C:A9:B4:D5:8B:86:1D:D3: A9:83:A5:D4:56:02:20:54:11:FD:BE:46:5F:65:D0:77: B8:FC:1C:67:8D:A7:34:62:0B:01:56:14:63:C4:FD:B6: 37:E7:38:F5:A9:A3:E4 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 60:4C:9A:AF:7A:7F:77:5F:01:D4:06:FC:92:0D:C8:99: EB:0B:1C:7D:F8:C9:52:1B:FA:FA:17:77:3B:97:8B:C9 Timestamp : Nov 3 08:25:20.693 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:81:24:91:A8:E2:5E:89:AE:42:77:1D: 82:F9:DB:18:A4:5F:0C:5F:44:41:7C:2E:F3:A6:D2:53: 3A:25:84:6D:C8:02:20:1F:CF:87:D5:B4:98:3E:37:BB: D8:02:6F:2A:51:09:D0:0E:C8:10:34:16:07:70:F9:DB: DA:14:24:BD:12:32:E3
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES256-GCM-SHA384 · Checked 2026-11-12T15:29:11+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=GB O=Sectigo Limited CN=Sectigo Public Server Authentication CA DV R36
Issuer
C=GB O=Sectigo Limited CN=Sectigo Public Server Authentication Root R46
Valid from
2021-03-22T00:00:00+00:00
Expires
2036-03-21T23:59:59+00:00
Days remaining
3417
Serial (hex)
397A66CC2756362E0DAA87CA6EABE3B1
Signature
RSA-SHA384
Public key
RSA 3072

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

8C:54:C3:34:B6:6B:A4:E4:26:77:2A:F4:A3:F9:13:6C:19:A1:AE:C7:29:FD:B2:8C:53:5C:07:A5:A4:EF:22:E0
Certificate extensions & PEM
authorityKeyIdentifier
56:73:58:64:95:F9:92:1A:B0:12:2A:04:62:79:A1:40:15:88:21:49
subjectKeyIdentifier
68:C0:12:16:18:0E:AF:CE:F6:87:A6:32:57:A3:46:51:5D:CB:07:27
keyUsage
Digital Signature, Certificate Sign, CRL Sign
basicConstraints
CA:TRUE, pathlen:0
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
certificatePolicies
Policy: X509v3 Any Policy Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://crl.sectigo.com/SectigoPublicServerAuthenticationRootR46.crl
authorityInfoAccess
CA Issuers - URI:http://crt.sectigo.com/SectigoPublicServerAuthenticationRootR46.p7c OCSP - URI:http://ocsp.sectigo.com
-----BEGIN CERTIFICATE-----
MIIGTDCCBDSgAwIBAgIQOXpmzCdWNi4NqofKbqvjsTANBgkqhkiG9w0BAQwFADBf
MQswCQYDVQQGEwJHQjEYMBYGA1UEChMPU2VjdGlnbyBMaW1pdGVkMTYwNAYDVQQD
Ey1TZWN0aWdvIFB1YmxpYyBTZXJ2ZXIgQXV0aGVudGljYXRpb24gUm9vdCBSNDYw
HhcNMjEwMzIyMDAwMDAwWhcNMzYwMzIxMjM1OTU5WjBgMQswCQYDVQQGEwJHQjEY
MBYGA1UEChMPU2VjdGlnbyBMaW1pdGVkMTcwNQYDVQQDEy5TZWN0aWdvIFB1Ymxp
YyBTZXJ2ZXIgQXV0aGVudGljYXRpb24gQ0EgRFYgUjM2MIIBojANBgkqhkiG9w0B
AQEFAAOCAY8AMIIBigKCAYEAljZf2HIz7+SPUPQCQObZYcrxLTHYdf1ZtMRe7Yeq
RPSwygz16qJ9cAWtWNTcuICc++p8Dct7zNGxCpqmEtqifO7NvuB5dEVexXn9RFFH
12Hm+NtPRQgXIFjx6MSJcNWuVO3XGE57L1mHlcQYj+g4hny90aFh2SCZCDEVkAja
EMMfYPKuCjHuuF+bzHFb/9gV8P9+ekcHENF2nR1efGWSKwnfG5RawlkaQDpRtZTm
M64TIsv/r7cyFO4nSjs1jLdXYdz5q3a4L0NoabZfbdxVb+CUEHfB0bpulZQtH1Rv
38e/lIdP7OTTIlZh6OYL6NhxP8So0/sht/4J9mqIGxRFc0/pC8suja+wcIUna0HB
pXKfXTKpzgis+zmXDL06ASJf5E4A2/m+Hp6b84sfPAwQ766rI65mh50S0Di9E3Pn
2WcaJc+PILsBmYpgtmgWTR9eV9otfKRUBfzHUHcVgarub/XluEpRlTtZudU5xbFN
xx/DgMrXLUAPaI60fZ6wA+PTAgMBAAGjggGBMIIBfTAfBgNVHSMEGDAWgBRWc1hk
lfmSGrASKgRieaFAFYghSTAdBgNVHQ4EFgQUaMASFhgOr872h6YyV6NGUV3LBycw
DgYDVR0PAQH/BAQDAgGGMBIGA1UdEwEB/wQIMAYBAf8CAQAwHQYDVR0lBBYwFAYI
KwYBBQUHAwEGCCsGAQUFBwMCMBsGA1UdIAQUMBIwBgYEVR0gADAIBgZngQwBAgEw
VAYDVR0fBE0wSzBJoEegRYZDaHR0cDovL2NybC5zZWN0aWdvLmNvbS9TZWN0aWdv
UHVibGljU2VydmVyQXV0aGVudGljYXRpb25Sb290UjQ2LmNybDCBhAYIKwYBBQUH
AQEEeDB2ME8GCCsGAQUFBzAChkNodHRwOi8vY3J0LnNlY3RpZ28uY29tL1NlY3Rp
Z29QdWJsaWNTZXJ2ZXJBdXRoZW50aWNhdGlvblJvb3RSNDYucDdjMCMGCCsGAQUF
BzABhhdodHRwOi8vb2NzcC5zZWN0aWdvLmNvbTANBgkqhkiG9w0BAQwFAAOCAgEA
YtOC9Fy+TqECFw40IospI92kLGgoSZGPOSQXMBqmsGWZUQ7rux7cj1du6d9rD6C8
ze1B2eQjkrGkIL/OF1s7vSmgYVafsRoZd/IHUrkoQvX8FZwUsmPu7amgBfaY3g+d
q1x0jNGKb6I6Bzdl6LgMD9qxp+3i7GQOnd9J8LFSietY6Z4jUBzVoOoz8iAU84OF
h2HhAuiPw1ai0VnY38RTI+8kepGWVfGxfBWzwH9uIjeooIeaosVFvE8cmYUB4TSH
5dUyD0jHct2+8ceKEtIoFU/FfHq/mDaVnvcDCZXtIgitdMFQdMZaVehmObyhRdDD
4NQCs0gaI9AAgFj4L9QtkARzhQLNyRf87Kln+YU0lgCGr9HLg3rGO8q+Y4ppLsOd
unQZ6ZxPNGIfOApbPVf5hCe58EZwiWdHIMn9lPP6+F404y8NNugbQixBber+x536
WrZhFZLjEkhp7fFXf9r32rNPfb74X/U90Bdy4lzp3+X1ukh1BuMxA/EEhDoTOS3l
7ABvc7BYSQubQ2490OcdkIzUh3ZwDrakMVrbaTxUM2p24N6dB+ns2zptWCva6jzW
r8IWKIMxzxLPv5Kt3ePKcUdvkBU/smqujSczTzzSjIoR5QqQA6lN1ZRSnuHIWCvh
JEltkYnTAH41QJ6SAWO66GrrUESwN/cgZzL4JLEqz1Y=
-----END CERTIFICATE-----

Chain certificate 2

Subject
C=GB O=Sectigo Limited CN=Sectigo Public Server Authentication Root R46
Issuer
C=US ST=New Jersey L=Jersey City O=The USERTRUST Network CN=USERTrust RSA Certification Authority
Valid from
2021-03-22T00:00:00+00:00
Expires
2038-01-18T23:59:59+00:00
Days remaining
4085
Serial (hex)
D27FBBC1DE359E5216AD6149586099C4
Signature
RSA-SHA384
Public key
RSA 4096

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

92:F3:51:BF:3D:54:16:4D:FA:8D:D8:F9:E1:13:9D:31:50:34:97:86:48:5D:2B:9E:EC:D0:0E:29:71:C1:E6:C5
Certificate extensions & PEM
authorityKeyIdentifier
53:79:BF:5A:AA:2B:4A:CF:54:80:E1:D8:9B:C0:9D:F2:B2:03:66:CB
subjectKeyIdentifier
56:73:58:64:95:F9:92:1A:B0:12:2A:04:62:79:A1:40:15:88:21:49
keyUsage
Digital Signature, Certificate Sign, CRL Sign
basicConstraints
CA:TRUE
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
certificatePolicies
Policy: X509v3 Any Policy
crlDistributionPoints
Full Name: URI:http://crl.usertrust.com/USERTrustRSACertificationAuthority.crl
authorityInfoAccess
OCSP - URI:http://ocsp.usertrust.com
-----BEGIN CERTIFICATE-----
MIIGlTCCBH2gAwIBAgIRANJ/u8HeNZ5SFq1hSVhgmcQwDQYJKoZIhvcNAQEMBQAw
gYgxCzAJBgNVBAYTAlVTMRMwEQYDVQQIEwpOZXcgSmVyc2V5MRQwEgYDVQQHEwtK
ZXJzZXkgQ2l0eTEeMBwGA1UEChMVVGhlIFVTRVJUUlVTVCBOZXR3b3JrMS4wLAYD
VQQDEyVVU0VSVHJ1c3QgUlNBIENlcnRpZmljYXRpb24gQXV0aG9yaXR5MB4XDTIx
MDMyMjAwMDAwMFoXDTM4MDExODIzNTk1OVowXzELMAkGA1UEBhMCR0IxGDAWBgNV
BAoTD1NlY3RpZ28gTGltaXRlZDE2MDQGA1UEAxMtU2VjdGlnbyBQdWJsaWMgU2Vy
dmVyIEF1dGhlbnRpY2F0aW9uIFJvb3QgUjQ2MIICIjANBgkqhkiG9w0BAQEFAAOC
Ag8AMIICCgKCAgEAk77VNlJ12AEjoBxHQknuY7a3If3EldVIKyZ8FFMQ2nn9K7ct
pNQs+uoy3UnCub0PSD17WphUr55dMXRPB/xQId2kz2hPGxJjbSWZTCqZ80gwYfqB
fB6nCErcPiscHxhMcao1jK34bug7StnllALWiYQTqm3ITzPMUJY3kjPcX4jnn1TZ
SPCYQ9Zm/Z8XOEPFAVEL1+MjDxRdWxTnS77d9MjaAzfR1jmhIVEwg7Bt1zBOlluR
8HAkq79FgWRDDb0hOi886Z4NyyC1QifM2m+b7mQwkDnNk2WBITG1I1AzNyLjOO34
MTDMRf5i+dFdMnlCh99qzFYZQE3Oqrv5tXZJlPEn+JGlg+UGs2MOgNzgElWApjtm
tDmHLcjw0NEU6eQNTQ72XVdyxTscR1ad4tX7gWGMzE2AkDRbt9cUddzYBEifwMEo
iLTpHMqnsfFWt3tJTFnlIBWohAIp+jiUaZpJBo/NH3kUFxIMg3reH7GX7vmXeCik
yESS6X0mBaZYcpt5E9gRX67FOGI0aLKGMI74kGGeMmz1BzbNokxu7Io27fLmmRVE
cMN8vJw5wLTha/eDJSNX2RKA5UnwdQ/vjescm1QotCE8/HwK/+97a3X/ix2gGQWr
+vgrgULoOLq7+6r9PeDzyt9Ol5cp7fMYVumllqy9w5CYsuD5otSmR0N8bc8CAwEA
AaOCASAwggEcMB8GA1UdIwQYMBaAFFN5v1qqK0rPVIDh2JvAnfKyA2bLMB0GA1Ud
DgQWBBRWc1hklfmSGrASKgRieaFAFYghSTAOBgNVHQ8BAf8EBAMCAYYwDwYDVR0T
AQH/BAUwAwEB/zAdBgNVHSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwEQYDVR0g
BAowCDAGBgRVHSAAMFAGA1UdHwRJMEcwRaBDoEGGP2h0dHA6Ly9jcmwudXNlcnRy
dXN0LmNvbS9VU0VSVHJ1c3RSU0FDZXJ0aWZpY2F0aW9uQXV0aG9yaXR5LmNybDA1
BggrBgEFBQcBAQQpMCcwJQYIKwYBBQUHMAGGGWh0dHA6Ly9vY3NwLnVzZXJ0cnVz
dC5jb20wDQYJKoZIhvcNAQEMBQADggIBADpvBIlq7bMU0cFDT/9P9+BsgCkRgQs0
S6Bf7vJSlWMHwby0VGvxCS0hrbi0K2BINZbEbsVsgpQq04431yyoVn3Hldorgq24
RldRDOOipEZDTFB9wC9HYt1thHF00XeG2C8KC1plwoEzKAIhPvefI/C3cT0CfTXJ
uFjUbKIgSwjNjw6YHtLgoy/hd5+JLUlLco/gzFX/qWbT7tEquOMYpsNKWZj8TLqP
q6zMiG4Na6feEZte6YPXGrMWlTWN341vDedc+yxQqSug79HJUQcOZs7KyDWztmae
QxsPE49UV/8XwrfZtZaYyrs4FpD94Z4Q8dzXGL8+qEJjxgcza7W6PROaClubavd1
VKPm8+aCW77u7SxpR2TFGL6kPdxsKyFijpcunR5V79sUyROfNdzjrAcFWZXK8sbb
9FlnwuVG677JLv+ZVTX5AxLvW5OB4zt5uS+zB62wJ/Wv+jXGAttSAcJec4iFgCWH
Rvdi/jJoSzRLa3nEzx6pFIzclSCnh0u1xCeLcUBypSiPga8W+6PkuoyQq8U9qs9E
oxG5NvrvlyshwUS9yvcZRGw7Ljlx4jJH/BhIPR8kIBCQj1vna9TziZOrw1Of8hDU
bHKFG9Pm8Dp2vbjz/2JH39qvxshPKVllGfq+5klPm7yZRUYTiCMAbqwNdL/nsqF2
Rnnyp58XRStJ
-----END CERTIFICATE-----

One endpoint on port 443. Server-presented chain; no revocation, OCSP, CT or full TLS security scan.

View certificate JSON

Registration / WHOIS →DNS records →