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Results for

customer.io

TLS certificate

The certificate is trusted and in date.

Valid49 days left

Certificate

Issuer
R13 (Let's Encrypt)
Subject
customer.io

Validity

Valid from
Apr 23, 2026
Valid to
Jul 22, 2026

Connection

Protocol
TLSv1.3
Key
RSA 2048
Cipher
TLS_AES_128_GCM_SHA256 (TLSv1.3)

Subject alternative names (1)

  • customer.io

Chain

  1. 01

    customer.io

    issued by R13 (Let's Encrypt)

  2. 02

    R13 (Let's Encrypt)

    issued by ISRG Root X1 (Internet Security Research Group)

  3. 03

    ISRG Root X1 (Internet Security Research Group)

    root

Fingerprint

SHA-256
44:EE:7C:4F:89:99:52:B3:DA:75:37:DE:C7:14:A5:70:D9:0C:6D:9B:27:A7:70:8C:3B:5C:C1:93:6C:57:EC:93
Serial number
05A10D264F2951A9ADC87840ECE0E2F6C835