SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
whnadallas.com
SSL/TLS Certificate
SSL/TLS Certificate for whnadallas.com
Expired- Issued by (CA)
- Sectigo Limited
- Subject
- neighborhoodlink.com
- Valid from
- Oct 17, 2024
- Valid until
- Oct 17, 2025 (expired 281 days ago)
- Public key
- RSA 4096-bit
- Serial
- 55EDA3C28EFF283FB8848E231D8D7679
- SHA-256 fingerprint
- DB:3B:85:90:33:37:FA:0C:16:FE:D1:1C:03:57:EC:E1:97:E1:0B:AE:05:B2:5E:25:54:C3:EE:63:50:EC:35:B1
- Chain
- Sectigo RSA Domain Validation Secure Server CA → USERTrust RSA Certification Authority → AAA Certificate Services
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
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This is today's certificate. Turn on monitoring and we'll watch whnadallas.com 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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