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

americantower.com · 172.214.2.96:443

Verified

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

Subject
C=US ST=Massachusetts L=Boston O=American Tower Corporation CN=*.americantower.com
Issuer
C=US O=DigiCert Inc CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1
Valid from
2026-07-22T00:00:00+00:00
Expires
2027-02-05T23:59:59+00:00
Days remaining
135
Serial (hex)
0C63A1AA621243E6EC4865D9941E37D6
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.americantower.com, DNS:americantower.com

SHA-256 fingerprint

48:55:3E:A0:B6:89:82:99:56:A6:0B:6C:39:20:FA:AD:B9:7B:E3:A5:ED:DB:6A:FD:51:81:B4:47:D1:A1:62:94
Certificate extensions & PEM
authorityKeyIdentifier
74:85:80:C0:66:C7:DF:37:DE:CF:BD:29:37:AA:03:1D:BE:ED:CD:17
subjectKeyIdentifier
51:FF:A5:6A:22:27:6D:17:A7:3B:94:96:43:FF:56:62:26:05:32:1C
subjectAltName
DNS:*.americantower.com, DNS:americantower.com
certificatePolicies
Policy: 2.23.140.1.2.2 CPS: http://www.digicert.com/CPS
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
crlDistributionPoints
Full Name: URI:http://crl3.digicert.com/DigiCertGlobalG2TLSRSASHA2562020CA1-1.crl Full Name: URI:http://crl4.digicert.com/DigiCertGlobalG2TLSRSASHA2562020CA1-1.crl
authorityInfoAccess
OCSP - URI:http://ocsp.digicert.com CA Issuers - URI:http://cacerts.digicert.com/DigiCertGlobalG2TLSRSASHA2562020CA1-1.crt
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 : Jul 22 17:09:38.896 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:B2:7A:07:A5:F2:E7:A9:62:28:8B:1D: C3:70:B6:E5:A3:3C:17:93:CB:16:CF:CE:BC:07:EB:FA: D2:9F:F2:67:3C:02:20:72:88:0B:BF:3A:E3:6A:99:53: 35:03:D8:B7:F8:EE:AC:C1:DE:7B:BE:BB:40:E0:DA:1E: 74:74:8E:02:0A:4C:14 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 : Jul 22 17:09:38.885 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:F8:37:DB:EE:91:8F:E7:88:86:3B:F2: 5A:D1:37:A1:AD:70:58:4E:DA:08:0E:2F:5C:C6:1B:BC: 9A:FF:19:BF:7A:02:21:00:DA:34:41:28:B7:77:BC:14: 66:53:1D:09:FD:D6:D4:B4:BB:C5:A3:17:4B:AF:FE:D0: F0:ED:19:57:C5:F4:D8:89 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 44:C2:BD:0C:E9:14:0E:64:A5:C9:4A:01:93:0A:5A:A1: BB:35:97:0E:00:EE:11:16:89:68:2A:1C:44:D7:B5:66 Timestamp : Jul 22 17:09:38.946 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:6B:CE:BB:C8:72:BC:31:D0:C1:9F:A9:8A: A1:E3:A2:31:B5:41:C5:45:23:4B:78:02:FD:1F:74:A7: 8E:DD:FC:5B:02:20:1B:07:A7:29:4A:59:25:A2:CF:2D: F3:C0:4D:51:C6:18:63:70:87:53:35:EA:8F:61:2D:BD: 49:BE:27:D9:1C:93
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-09-23T07:30:07+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=US O=DigiCert Inc CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Valid from
2021-03-30T00:00:00+00:00
Expires
2031-03-29T23:59:59+00:00
Days remaining
1648
Serial (hex)
0CF5BD062B5602F47AB8502C23CCF066
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

C8:02:5F:9F:C6:5F:DF:C9:5B:3C:A8:CC:78:67:B9:A5:87:B5:27:79:73:95:79:17:46:3F:C8:13:D0:B6:25:A9
Certificate extensions & PEM
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
74:85:80:C0:66:C7:DF:37:DE:CF:BD:29:37:AA:03:1D:BE:ED:CD:17
authorityKeyIdentifier
4E:22:54:20:18:95:E6:E3:6E:E6:0F:FA:FA:B9:12:ED:06:17:8F:39
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
authorityInfoAccess
OCSP - URI:http://ocsp.digicert.com CA Issuers - URI:http://cacerts.digicert.com/DigiCertGlobalRootG2.crt
crlDistributionPoints
Full Name: URI:http://crl3.digicert.com/DigiCertGlobalRootG2.crl
certificatePolicies
Policy: 2.16.840.1.114412.2.1 Policy: 2.23.140.1.1 Policy: 2.23.140.1.2.1 Policy: 2.23.140.1.2.2 Policy: 2.23.140.1.2.3
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Chain certificate 2

Subject
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Valid from
2013-08-01T12:00:00+00:00
Expires
2038-01-15T12:00:00+00:00
Days remaining
4132
Serial (hex)
033AF1E6A711A9A0BB2864B11D09FAE5
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

CB:3C:CB:B7:60:31:E5:E0:13:8F:8D:D3:9A:23:F9:DE:47:FF:C3:5E:43:C1:14:4C:EA:27:D4:6A:5A:B1:CB:5F
Certificate extensions & PEM
basicConstraints
CA:TRUE
keyUsage
Digital Signature, Certificate Sign, CRL Sign
subjectKeyIdentifier
4E:22:54:20:18:95:E6:E3:6E:E6:0F:FA:FA:B9:12:ED:06:17:8F:39
-----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

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