DNS Gurus
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82/100 SECURITY SCORE

Detected Technologies

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GlobalSign logo GlobalSign

Certificate Information

Subject
C=NL, ST=Noord-Holland, L=Schiphol-Rijk, O=Liberty Global Technology Services B.V., CN=mailcloud.upcmail.net
Issuer
C=BE, O=GlobalSign nv-sa, CN=GlobalSign RSA OV SSL CA 2018
Valid From
March 19, 2026
Valid Until
October 04, 2026 71 days
Public Key
RSA 2048 bit Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
ED:E6:37:A5:3B:7F:25:3E:34:A4:8A:79:2B:07:66:79:96:4D:5A:1B:B6:37:9D:F0:A2:8B:B4:B7:B0:2B:9B:88
Alternative Names
18 domains

Security Configuration

TLS Protocols
TLS 1.2
Forward Secrecy
Limited (Check cipher configuration)
Warnings
  • • TLS 1.3 is not supported (recommended)

CAA Records (Certificate Authority Authorization)

CAA Records
Configured (Restricts certificate issuance)
Current Issuer
Authorized (Matches CAA policy)
Authorized CAs
globalsign.com
Incident Reporting
Recommendations
  • • Consider using critical flag (flags=128) for stricter CAA enforcement
  • • Consider adding 'issuewild' records to control wildcard certificate issuance