aethercert.com

Scanned 8 days ago · Aug 11, 2026, 9:56 PM

A+

TLS & Certificate

Protocol support, cipher strength and the certificate chain, evaluated the way a browser would.

Score100%
NegotiatedTLSv1.3, TLS_AES_256_GCM_SHA384
Forward secrecyYes
HSTSenabled, max-age=63072000

Protocol support

YesTLS 1.3
YesTLS 1.2
NoTLS 1.1 (deprecated)
NoTLS 1.0 (deprecated)

Cipher suites probed

Each suite below was tested with its own TLS 1.2 handshake, restricted to exactly that cipher - “accepted” means the server completed a handshake using it, not merely that it's listed as a possibility.

ECDHE-ECDSA-AES256-GCM-SHA384
SecureAccepted
ECDHE-RSA-AES256-GCM-SHA384
SecureNot offered
ECDHE-ECDSA-AES128-GCM-SHA256
SecureAccepted
ECDHE-RSA-AES128-GCM-SHA256
SecureNot offered
ECDHE-ECDSA-CHACHA20-POLY1305
SecureAccepted
ECDHE-RSA-CHACHA20-POLY1305
SecureNot offered
DHE-RSA-AES256-GCM-SHA384
SecureNot offered
DHE-RSA-AES128-GCM-SHA256
SecureNot offered
ECDHE-RSA-AES256-SHA384
WeakNot offered
ECDHE-RSA-AES128-SHA256
WeakNot offered
AES256-GCM-SHA384
WeakNot offered
AES128-GCM-SHA256
WeakNot offered
DES-CBC3-SHA
InsecureNot offered
RC4-SHA
InsecureNot offered
NULL-SHA
InsecureNot offered

Certificate

Subjectaethercert.com
IssuerWE1
Additional namesaethercert.com, *.aethercert.com
ValidJul 5, 2026, 5:15 PM – Oct 3, 2026, 6:14 PM (expires in 53 days)
KeyEC prime256v1
Certificate chain3 certificate(s)
Trusted by common trust storesYes
Matches the scanned hostnameYes
Self-signedNo
A

Security Headers

The HTTP response headers browsers use to restrict what a page - or an attacker inside it - can do.

Score95%
  • the Server header discloses "cloudflare"
Content-Security-Policyframe-ancestors 'none'
Strict-Transport-Securitymax-age=63072000; includeSubDomains; preload
X-Content-Type-Optionsnosniff
X-Frame-OptionsDENY
Referrer-Policystrict-origin-when-cross-origin
Permissions-Policyaccelerometer=(), autoplay=(), camera=(), display-capture=(), encrypted-media=(), fullscreen=(self), geolocation=(), gyroscope=(), magnetometer=(), microphone=(), midi=(), payment=(), picture-in-picture=(), publickey-credentials-create=(self), publickey-credentials-get=(self), screen-wake-lock=(), sync-xhr=(), usb=(), xr-spatial-tracking=()
Cross-Origin-Opener-Policysame-origin
Cross-Origin-Resource-Policysame-origin
A+

Email

Whether mail delivered to this domain is protected in transit, and whether SPF/DMARC stop it being spoofed.

Score100%
  • port 25 was not reachable on any mail server from our scanner (commonly blocked by cloud providers) - mail transport security could not be verified
SPFv=spf1 include:_spf.mx.cloudflare.net include:spf.protection.outlook.com ~all
DMARCv=DMARC1; p=quarantine; adkim=r; aspf=r; rua=mailto:[email protected];

Mail servers

aethercert-com.mail.protection.outlook.comnot reachable on port 25 from our scanner