SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
a-johnson.net
SSL/TLS Certificate
SSL/TLS Certificate for a-johnson.net
Valid- Issued by (CA)
- GoDaddy.com
- Subject
- a-johnson.net
- Valid from
- Jul 20, 2026
- Valid until
- Feb 3, 2027 (186 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 1F9959AFA4E84436
- SHA-256 fingerprint
- 91:64:AA:25:78:6B:36:55:5B:20:3C:A5:17:79:9E:7C:C2:A9:B8:6F:E9:EC:B9:5C:CB:E0:AA:02:B8:4A:E0:5F
- Chain
- GoDaddy TLS Intermediate CA DV - R1v1 → GoDaddy TLS Root CA - R1 → Go Daddy Root Certificate Authority - G2
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
Never get surprised by a-johnson.net's certificate expiring
This is today's certificate. Turn on monitoring and we'll watch a-johnson.net continuously, notifying you the moment anything moves across all three signals:
Uptime
We visit the site from multiple regions worldwide and email you within minutes if it goes down, with a per-region breakdown so a real outage stands out from a regional blip.
DNS changes
We watch NS, MX, CAA, DNSSEC, CNAME and A/AAAA records, and identify the host, network, and ASN behind them, so a real migration or hijack stands out from routine noise.
TLS certificate
We warn you 30, 14, 7, and 1 days before it expires, and flag it if the issuing authority changes or the certificate is unexpectedly replaced.
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