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

sendgrid.com · 18.153.248.43:443

Verified

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

Subject
CN=*.sendgrid.com
Issuer
C=US ST=Arizona L=Scottsdale O=GoDaddy.com, Inc. OU=http://certs.godaddy.com/repository/ CN=Go Daddy Secure Certificate Authority - G2
Valid from
2026-02-16T09:24:34+00:00
Expires
2027-02-28T17:29:00+00:00
Days remaining
158
Serial (hex)
2ACE44AC558F5666
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.sendgrid.com, DNS:sendgrid.com

SHA-256 fingerprint

AC:D2:26:9E:6D:C7:F5:B5:3A:CA:3E:3F:99:73:C1:D2:86:DB:F7:8B:0E:F7:C4:29:D6:0E:43:27:E2:F4:45:69
Certificate extensions & PEM
basicConstraints
CA:FALSE
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
keyUsage
Digital Signature, Key Encipherment
crlDistributionPoints
Full Name: URI:http://crl.godaddy.com/gdig2s1-72079.crl
certificatePolicies
Policy: 2.23.140.1.2.1 Policy: 2.16.840.1.114413.1.7.23.1 CPS: http://certificates.godaddy.com/repository/
authorityInfoAccess
OCSP - URI:http://ocsp.godaddy.com/ CA Issuers - URI:http://certificates.godaddy.com/repository/gdig2.crt
authorityKeyIdentifier
40:C2:BD:27:8E:CC:34:83:30:A2:33:D7:FB:6C:B3:F0:B4:2C:80:CE
subjectAltName
DNS:*.sendgrid.com, DNS:sendgrid.com
subjectKeyIdentifier
C7:BF:28:08:F8:40:2C:89:5D:A8:11:4D:95:72:7C:59:A6:50:15:9D
ct_precert_scts
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 : Feb 16 09:24:35.152 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:05:1C:FB:B5:25:29:93:F0:E3:2C:49:95: FD:23:FB:5B:03:29:A8:35:72:AF:33:8A:7E:BD:E1:B8: 7E:6F:2D:BD:02:20:20:6E:C0:0A:F0:9D:D3:08:7F:F3: FB:A3:6B:57:E4:30:7E:80:89:7C:BE:B7:A5:42:03:E8: C3:09:50:3B:A7:5B 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 : Feb 16 09:24:35.854 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:23:5E:F9:67:C7:8C:AE:A0:2B:B4:47:BD: 6B:AC:56:46:99:30:61:F9:7F:A0:BC:3B:7E:9F:E8:EB: 62:CA:DD:32:02:21:00:9B:63:FD:AA:FC:40:F5:22:8F: 80:37:7A:F8:7A:9B:92:74:56:7A:BB:13:9A:C0:A0:37: 28:83:87:93:B4:69:70 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 : Feb 16 09:24:36.080 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:53:ED:A4:6F:03:32:F0:15:20:84:B8:2B: 7C:E9:1D:57:CC:2C:20:06:21:57:8B:ED:AF:0E:0D:9C: 02:0B:8E:8A:02:21:00:E1:32:B7:B9:BB:18:2A:60:05: F5:39:21:76:DE:C0:F6:72:0E:46:B5:3C:D1:4E:AF:42: C0:88:42:6B:43:73:28
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-09-22T21:19:10+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=US ST=Arizona L=Scottsdale O=GoDaddy.com, Inc. OU=http://certs.godaddy.com/repository/ CN=Go Daddy Secure Certificate Authority - G2
Issuer
C=US ST=Arizona L=Scottsdale O=GoDaddy.com, Inc. CN=Go Daddy Root Certificate Authority - G2
Valid from
2011-05-03T07:00:00+00:00
Expires
2031-05-03T07:00:00+00:00
Days remaining
1683
Serial (hex)
07
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

97:3A:41:27:6F:FD:01:E0:27:A2:AA:D4:9E:34:C3:78:46:D3:E9:76:FF:6A:62:0B:67:12:E3:38:32:04:1A:A6
Certificate extensions & PEM
basicConstraints
CA:TRUE
keyUsage
Certificate Sign, CRL Sign
subjectKeyIdentifier
40:C2:BD:27:8E:CC:34:83:30:A2:33:D7:FB:6C:B3:F0:B4:2C:80:CE
authorityKeyIdentifier
3A:9A:85:07:10:67:28:B6:EF:F6:BD:05:41:6E:20:C1:94:DA:0F:DE
authorityInfoAccess
OCSP - URI:http://ocsp.godaddy.com/
crlDistributionPoints
Full Name: URI:http://crl.godaddy.com/gdroot-g2.crl
certificatePolicies
Policy: X509v3 Any Policy CPS: https://certs.godaddy.com/repository/
-----BEGIN CERTIFICATE-----
MIIE0DCCA7igAwIBAgIBBzANBgkqhkiG9w0BAQsFADCBgzELMAkGA1UEBhMCVVMx
EDAOBgNVBAgTB0FyaXpvbmExEzARBgNVBAcTClNjb3R0c2RhbGUxGjAYBgNVBAoT
EUdvRGFkZHkuY29tLCBJbmMuMTEwLwYDVQQDEyhHbyBEYWRkeSBSb290IENlcnRp
ZmljYXRlIEF1dGhvcml0eSAtIEcyMB4XDTExMDUwMzA3MDAwMFoXDTMxMDUwMzA3
MDAwMFowgbQxCzAJBgNVBAYTAlVTMRAwDgYDVQQIEwdBcml6b25hMRMwEQYDVQQH
EwpTY290dHNkYWxlMRowGAYDVQQKExFHb0RhZGR5LmNvbSwgSW5jLjEtMCsGA1UE
CxMkaHR0cDovL2NlcnRzLmdvZGFkZHkuY29tL3JlcG9zaXRvcnkvMTMwMQYDVQQD
EypHbyBEYWRkeSBTZWN1cmUgQ2VydGlmaWNhdGUgQXV0aG9yaXR5IC0gRzIwggEi
MA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQC54MsQ1K92vdSTYuswZLiBCGzD
BNliF44v/z5lz4/OYuY8UhzaFkVLVat4a2ODYpDOD2lsmcgaFItMzEUz6ojcnqOv
K/6AYZ15V8TPLvQ/MDxdR/yaFrzDN5ZBUY4RS1T4KL7QjL7wMDge87Am+GZHY23e
cSZHjzhHU9FGHbTj3ADqRay9vHHZqm8A29vNMDp5T19MR/gd71vCxJ1gO7GyQ5HY
pDNO6rPWJ0+tJYqlxvTV0KaudAVkV4i1RFXULSo6Pvi4vekyCgKUZMQWOlDxSq7n
eTOvDCAHf+jfBDnCaQJsY1L6d8EbyHSHyLmTGFBUNUtpTrw700kuH9zB0lL7AgMB
AAGjggEaMIIBFjAPBgNVHRMBAf8EBTADAQH/MA4GA1UdDwEB/wQEAwIBBjAdBgNV
HQ4EFgQUQMK9J47MNIMwojPX+2yz8LQsgM4wHwYDVR0jBBgwFoAUOpqFBxBnKLbv
9r0FQW4gwZTaD94wNAYIKwYBBQUHAQEEKDAmMCQGCCsGAQUFBzABhhhodHRwOi8v
b2NzcC5nb2RhZGR5LmNvbS8wNQYDVR0fBC4wLDAqoCigJoYkaHR0cDovL2NybC5n
b2RhZGR5LmNvbS9nZHJvb3QtZzIuY3JsMEYGA1UdIAQ/MD0wOwYEVR0gADAzMDEG
CCsGAQUFBwIBFiVodHRwczovL2NlcnRzLmdvZGFkZHkuY29tL3JlcG9zaXRvcnkv
MA0GCSqGSIb3DQEBCwUAA4IBAQAIfmyTEMg4uJapkEv/oV9PBO9sPpyIBslQj6Zz
91cxG7685C/b+LrTW+C05+Z5Yg4MotdqY3MxtfWoSKQ7CC2iXZDXtHwlTxFWMMS2
RJ17LJ3lXubvDGGqv+QqG+6EnriDfcFDzkSnE3ANkR/0yBOtg2DZ2HKocyQetawi
DsoXiWJYRBuriSUBAA/NxBti21G00w9RKpv0vHP8ds42pM3Z2Czqrpv1KrKQ0U11
GIo/ikGQI31bS/6kA1ibRrLDYGCD+H1QQc7CoZDDu+8CL9IVVO5EFdkKrqeKM+2x
LXY2JtwE65/3YR8V3Idv7kaWKK2hJn0KCacuBKONvPi8BDAB
-----END CERTIFICATE-----

Chain certificate 2

Subject
C=US ST=Arizona L=Scottsdale O=GoDaddy.com, Inc. CN=Go Daddy Root Certificate Authority - G2
Issuer
C=US O=The Go Daddy Group, Inc. OU=Go Daddy Class 2 Certification Authority
Valid from
2014-01-01T07:00:00+00:00
Expires
2031-05-30T07:00:00+00:00
Days remaining
1710
Serial (hex)
1BE715
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

3A:2F:BE:92:89:1E:57:FE:05:D5:70:87:F4:8E:73:0F:17:E5:A5:F5:3E:F4:03:D6:18:E5:B7:4D:7A:7E:6E:CB
Certificate extensions & PEM
basicConstraints
CA:TRUE
keyUsage
Certificate Sign, CRL Sign
subjectKeyIdentifier
3A:9A:85:07:10:67:28:B6:EF:F6:BD:05:41:6E:20:C1:94:DA:0F:DE
authorityKeyIdentifier
D2:C4:B0:D2:91:D4:4C:11:71:B3:61:CB:3D:A1:FE:DD:A8:6A:D4:E3
authorityInfoAccess
OCSP - URI:http://ocsp.godaddy.com/
crlDistributionPoints
Full Name: URI:http://crl.godaddy.com/gdroot.crl
certificatePolicies
Policy: X509v3 Any Policy CPS: https://certs.godaddy.com/repository/
-----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 →