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

code42.com · 103.107.226.226:443

Verified

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

Subject
CN=mimecast.com
Issuer
C=US O=Amazon CN=Amazon RSA 2048 M04
Valid from
2026-10-15T00:00:00+00:00
Expires
2027-04-30T23:59:59+00:00
Days remaining
179
Serial (hex)
091ECD90D2324AB05C979A5E0DE9EE3C
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:mimecast.com, DNS:mimecast.ph, DNS:mimecast.pk, DNS:solebit.io, DNS:mimecast.nl, DNS:messagecontrol.com, DNS:mimecast.hk, DNS:dmarcanalyzer.com, DNS:code42.com, DNS:mimecast.de, DNS:simplymigrate.com, DNS:mimecast.co.za, DNS:mimecast.ai, DNS:mimecastsdlab.net, DNS:getcyberresilient.com, DNS:mimecast.cn, DNS:mimecast.mx, DNS:mimecast.it, DNS:mimecast.org, DNS:ataata.com, DNS:segasec.com, DNS:mimecast.eu, DNS:mimecast.es, DNS:mimecast.net, DNS:awarehq.com, DNS:mailcontrol.net, DNS:mimecast.co.uk, DNS:mimecast.id, DNS:mimecast.mobi, DNS:mimecastqa.net, DNS:mimecast.us, DNS:mimecast.ae, DNS:mimecast.fr, DNS:mimecast.asia, DNS:mimecasteducation.com

SHA-256 fingerprint

A0:4C:DE:FC:AC:65:D1:8F:50:0E:28:8C:53:06:A6:9F:EF:61:D8:50:64:D8:C6:3D:1E:8B:A2:49:6F:D5:4D:20
Certificate extensions & PEM
authorityKeyIdentifier
1F:52:92:61:56:82:54:7F:81:66:D8:1D:3D:0A:AA:32:5C:87:DD:08
subjectKeyIdentifier
63:C2:74:65:06:A1:50:6F:F9:AC:E9:28:2D:E0:52:02:FC:D5:E2:3E
subjectAltName
DNS:mimecast.com, DNS:mimecast.ph, DNS:mimecast.pk, DNS:solebit.io, DNS:mimecast.nl, DNS:messagecontrol.com, DNS:mimecast.hk, DNS:dmarcanalyzer.com, DNS:code42.com, DNS:mimecast.de, DNS:simplymigrate.com, DNS:mimecast.co.za, DNS:mimecast.ai, DNS:mimecastsdlab.net, DNS:getcyberresilient.com, DNS:mimecast.cn, DNS:mimecast.mx, DNS:mimecast.it, DNS:mimecast.org, DNS:ataata.com, DNS:segasec.com, DNS:mimecast.eu, DNS:mimecast.es, DNS:mimecast.net, DNS:awarehq.com, DNS:mailcontrol.net, DNS:mimecast.co.uk, DNS:mimecast.id, DNS:mimecast.mobi, DNS:mimecastqa.net, DNS:mimecast.us, DNS:mimecast.ae, DNS:mimecast.fr, DNS:mimecast.asia, DNS:mimecasteducation.com
certificatePolicies
Policy: 2.23.140.1.2.1
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
crlDistributionPoints
Full Name: URI:http://crl.r2m04.amazontrust.com/r2m04.crl
authorityInfoAccess
OCSP - URI:http://ocsp.r2m04.amazontrust.com CA Issuers - URI:http://crt.r2m04.amazontrust.com/r2m04.cer
basicConstraints
CA:FALSE
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 4C:63:DC:98:E5:9C:1D:AB:88:F6:1E:8A:3D:DE:AE:8F: AB:44:A3:37:7B:5F:9B:94:C3:FB:A1:9C:FC:C1:BE:26 Timestamp : Oct 15 14:34:50.934 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:55:42:BC:81:2D:17:EC:A9:47:4F:EC:65: FE:A9:CE:3C:98:94:5C:FB:87:60:44:C0:69:8A:21:AB: BD:A4:F9:1B:02:20:2F:14:69:87:E5:7F:0A:14:DC:D4: 0E:D1:B5:09:E4:F5:3C:C4:6E:45:63:29:B3:DC:5D:45: 05:BA:1C:03:F4:74 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : D6:D5:8D:A9:D0:17:53:F3:6A:4A:A0:C7:57:49:02:AF: EB:C7:DC:2C:D3:8C:D9:F7:64:C8:0C:89:19:1E:9F:02 Timestamp : Oct 15 14:34:50.927 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:57:70:BC:66:2B:7E:E5:49:6D:5E:C9:C0: 8C:0C:D7:9D:70:F9:AB:39:2B:17:4A:93:F9:6D:D4:96: 66:52:0F:87:02:21:00:B2:31:E4:3B:9C:68:91:CB:89: 7E:1D:E6:7C:83:BB:DB:A5:74:D3:6D:29:0B:C9:45:43: FA:71:95:BB:8D:2B:BB Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 1C:9F:68:2C:E9:FA:F0:45:69:50:F8:1B:96:8A:87:DD: DB:32:10:D8:4C:E6:C8:B2:E3:82:52:4A:C4:CF:59:9F Timestamp : Oct 15 14:34:51.063 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:4B:EA:F1:F1:8C:EF:91:65:F5:2E:F3:3A: 38:B1:CA:FE:4B:37:43:C8:04:C0:9C:6E:D0:50:91:54: B0:C6:41:3D:02:21:00:8E:FC:B9:D5:4C:5D:23:91:B4: 41:9D:56:C1:79:F2:23:6A:E2:4E:A3:24:23:27:92:F3: 25:72:A4:38:90:7E:34
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-11-02T14:02:43+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=US O=Amazon CN=Amazon RSA 2048 M04
Issuer
C=US O=Amazon CN=Amazon Root CA 1
Valid from
2022-08-23T22:26:35+00:00
Expires
2030-08-23T22:26:35+00:00
Days remaining
1390
Serial (hex)
0773124F2A952E3ED18A58BDB85D1BC0CE5F27
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

13:8B:DF:6E:23:AC:97:1E:B4:E6:26:B2:79:DD:6A:26:F0:57:51:0F:1D:E3:94:29:3A:5E:EA:28:60:DE:01:9B
Certificate extensions & PEM
basicConstraints
CA:TRUE, pathlen:0
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
subjectKeyIdentifier
1F:52:92:61:56:82:54:7F:81:66:D8:1D:3D:0A:AA:32:5C:87:DD:08
authorityKeyIdentifier
84:18:CC:85:34:EC:BC:0C:94:94:2E:08:59:9C:C7:B2:10:4E:0A:08
authorityInfoAccess
OCSP - URI:http://ocsp.rootca1.amazontrust.com CA Issuers - URI:http://crt.rootca1.amazontrust.com/rootca1.cer
crlDistributionPoints
Full Name: URI:http://crl.rootca1.amazontrust.com/rootca1.crl
certificatePolicies
Policy: 2.23.140.1.2.1
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Chain certificate 2

Subject
C=US O=Amazon CN=Amazon Root CA 1
Issuer
C=US ST=Arizona L=Scottsdale O=Starfield Technologies, Inc. CN=Starfield Services Root Certificate Authority - G2
Valid from
2015-05-25T12:00:00+00:00
Expires
2037-12-31T01:00:00+00:00
Days remaining
4076
Serial (hex)
067F944A2A27CDF3FAC2AE2B01F908EEB9C4C6
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

87:DC:D4:DC:74:64:0A:32:2C:D2:05:55:25:06:D1:BE:64:F1:25:96:25:80:96:54:49:86:B4:85:0B:C7:27:06
Certificate extensions & PEM
basicConstraints
CA:TRUE
keyUsage
Digital Signature, Certificate Sign, CRL Sign
subjectKeyIdentifier
84:18:CC:85:34:EC:BC:0C:94:94:2E:08:59:9C:C7:B2:10:4E:0A:08
authorityKeyIdentifier
9C:5F:00:DF:AA:01:D7:30:2B:38:88:A2:B8:6D:4A:9C:F2:11:91:83
authorityInfoAccess
OCSP - URI:http://ocsp.rootg2.amazontrust.com CA Issuers - URI:http://crt.rootg2.amazontrust.com/rootg2.cer
crlDistributionPoints
Full Name: URI:http://crl.rootg2.amazontrust.com/rootg2.crl
certificatePolicies
Policy: X509v3 Any Policy
-----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

Registration / WHOIS →DNS records →