SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
modern-building-services.co.uk
SSL/TLS Certificate
SSL/TLS Certificate for modern-building-services.co.uk
Self-signed- Issued by (CA)
- PressFlex
- Subject
- —
- Valid from
- Apr 4, 2012
- Valid until
- Apr 4, 2013 (expired 4876 days ago)
- Public key
- RSA 1024-bit
- Serial
- BD800C98413714CE
- SHA-256 fingerprint
- 53:21:25:A1:B8:BA:11:73:41:2A:42:F2:6D:97:88:8F:65:BB:9E:36:7C:AD:81:1E:4C:8F:6E:B3:95:C7:60:02
- Chain
- —
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
This certificate has been served since Aug 1, 2026.
Never get surprised by modern-building-services.co.uk's certificate expiring
This is today's certificate. Turn on monitoring and we'll watch modern-building-services.co.uk 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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