Guest session
Check Detail

sophos.com · DNS

Passed Grade A
100.0%
Hostname sophos.com
Check name DNS
last run 31/01/2026 21:31
Result
Incomplete Grade B 76.3%

Result Detail

DNS
Host Type Answer TTL
104.126.37.154 —
104.126.37.146 —
2a02:26f0:3380:16::5f64:f82e —
2a02:26f0:3380:16::5f64:f81b —

Result Detail

HEADER
Alerts
  • Content-Security-Policy: Content-Security-Policy missing
  • X-Content-Type-Options: Header missing
  • X-Frame-Options: Header missing
  • Referrer-Policy: Header missing
  • Permissions-Policy: Permissions-Policy missing
  • Cross-Origin-Opener-Policy: Header missing
  • Cross-Origin-Embedder-Policy: Header missing
  • Cross-Origin-Resource-Policy: Header missing
  • Cache-Control: Cache-Control missing restrictive directives
  • Expect-CT: Expect-CT missing
  • X-Permitted-Cross-Domain-Policies: Header missing
  • Access-Control-Allow-Origin: Access-Control-Allow-Origin missing
  • Origin-Agent-Cluster: Header missing
Normalized headers
content-length 0
location https://www.sophos.com/
date Sat, 31 Jan 2026 20:31:40 GMT
alt-svc h3=":443"; ma=93600
strict-transport-security max-age=31536000 ; includeSubDomains ; preload
set-cookie akacd_pr01=3947344299~rv=30~id=1cb76347f3d139285a5df09efd0684bb; path=/; Secure; SameSite=None
server-timing ak_p; desc="1769891500103_1753097614_431587886_23_2693_19_26_15";dur=1
Transport
Check name Status Actual Expected Detail Severity Recommendation
Strict-Transport-Security ✅ Passed max-age=31536000 ; includeSubDomains ; preload max-age>=15768000; includeSubDomains; preload HSTS policy robust Critical Strict-Transport-Security: max-age=63072000; includeSubDomains; preload
Expect-CT ❌ Missing enforce; max-age>=86400 Expect-CT missing Medium Expect-CT: enforce, max-age=86400, report-uri="https://report.example.com"
Content Security
Check name Status Actual Expected Detail Severity Recommendation
Content-Security-Policy ❌ Missing default-src 'self'; frame-ancestors 'none' Content-Security-Policy missing Critical Content-Security-Policy: default-src 'self'; frame-ancestors 'none'
MIME
Check name Status Actual Expected Detail Severity Recommendation
X-Content-Type-Options ❌ Missing nosniff Header missing High X-Content-Type-Options: nosniff
Framing
Check name Status Actual Expected Detail Severity Recommendation
X-Frame-Options ❌ Missing DENY or SAMEORIGIN Header missing High X-Frame-Options: DENY
Privacy
Check name Status Actual Expected Detail Severity Recommendation
Referrer-Policy ❌ Missing strict-origin-when-cross-origin / same-origin Header missing Medium Referrer-Policy: strict-origin-when-cross-origin
Browser Features
Check name Status Actual Expected Detail Severity Recommendation
Permissions-Policy ❌ Missing camera=(); geolocation=(); microphone=() Permissions-Policy missing Medium Permissions-Policy: camera=(), geolocation=(), microphone=()
Cross-Origin
Check name Status Actual Expected Detail Severity Recommendation
Cross-Origin-Opener-Policy ❌ Missing same-origin Header missing High Cross-Origin-Opener-Policy: same-origin
Cross-Origin-Embedder-Policy ❌ Missing require-corp Header missing High Cross-Origin-Embedder-Policy: require-corp
Cross-Origin-Resource-Policy ❌ Missing same-origin Header missing Medium Cross-Origin-Resource-Policy: same-origin
Origin-Agent-Cluster ❌ Missing ?1 Header missing Low Origin-Agent-Cluster: ?1
Caching
Check name Status Actual Expected Detail Severity Recommendation
Cache-Control ❌ Missing no-store, private, max-age=0 Cache-Control missing restrictive directives High Cache-Control: no-store, private, max-age=0
Legacy
Check name Status Actual Expected Detail Severity Recommendation
X-Permitted-Cross-Domain-Policies ❌ Missing none Header missing Low X-Permitted-Cross-Domain-Policies: none
CORS
Check name Status Actual Expected Detail Severity Recommendation
Access-Control-Allow-Origin ❌ Missing Scoped origin (no wildcard) Access-Control-Allow-Origin missing Medium Access-Control-Allow-Origin: https://app.example.com
Information Disclosure
Check name Status Actual Expected Detail Severity Recommendation
Server ✅ Passed Header removed or generic Header not exposed High Remove Server header or set to a generic token
X-Powered-By ✅ Passed Header removed Header not exposed High Remove X-Powered-By header
X-AspNet-Version ✅ Passed Header removed Header not exposed Medium Remove framework version headers
Raw headers
HTTP/2 301 
content-length: 0
location: https://www.sophos.com/
date: Sat, 31 Jan 2026 20:31:40 GMT
alt-svc: h3=":443"; ma=93600
strict-transport-security: max-age=31536000 ; includeSubDomains ; preload
set-cookie: akacd_pr01=3947344299~rv=30~id=1cb76347f3d139285a5df09efd0684bb; path=/; Secure; SameSite=None
server-timing: ak_p; desc="1769891500103_1753097614_431587886_23_2693_19_26_15";dur=1

Result Detail

SSL
Check name Status Value
certificate chain is complete ✅ Passed 3
root CA is trusted ✅ Passed Trusted
cert valid for ✅ Passed 45
chain certs are valid until ✅ Passed 17.03.2026
CN matches Domainname ✅ Passed sophos.com
certificate subject ✅ Passed CN=www.sophos.com
certificate issuer ✅ Passed C=US, O=Let's Encrypt, CN=R13
signature algorithm ✅ Passed RSA-SHA256
TLS protocol ✅ Passed TLSv1.3 TLS_AES_256_GCM_SHA384
Subject Alternative Names ✅ Passed assets.sophos.com, club.sophos.com, demo.sophos.com, dev-login.sophos.com, dev.preview.sophos.com, discover.sophos.com, home.sophos.com, investors.sophos.com, login.sophos.com, my.astaro.com, myutm.sophos.com, news.sophos.com, partnerportal.sophos.com, partners.sophos.com, prod.preview.sophos.com, qa.preview.sophos.com, secure2.sophos.com, sophos.com, sophserv.sophos.com, stage.preview.sophos.com, test-login.sophos.com, www.hitmanpro.com, www.secureworks.com, www.secureworks.jp, www.sophos.com, www.surfright.com, www.surfright.nl
Public Key ✅ Passed RSA 2048
Certificate chain
# Common name Issuer Valid until CA
0 www.sophos.com C=US, O=Let's Encrypt, CN=R13 17.03.2026 13:51:02 No
1 www.sophos.com C=US, O=Let's Encrypt, CN=R13 17.03.2026 13:51:02 No
2 R13 C=US, O=Internet Security Research Group, CN=ISRG Root X1 13.03.2027 00:59:59 Yes
TLS details
Negotiated protocol TLSv1.3
Cipher suite TLS_AES_256_GCM_SHA384 (256 bit)
Cipher version TLSv1.3
Perfect Forward Secrecy Attention
Earliest chain expiry 17.03.2026 13:51
Fingerprints
SHA-256 D2:C0:2F:EC:2D:A0:A0:42:A0:24:08:19:7D:40:77:9C:03:19:1B:DC:6C:14:05:5E:01:86:97:D8:05:B1:4D:01
SHA-1 83:08:6C:A6:93:3E:C2:EA:B7:B6:15:7D:FE:86:0B:2D:67:9C:04:E9
Revocation
OCSP URLs
—
CRL URLs
Full Name: URI:http://r13.c.lencr.org/83.crl
Issuer URLs (AIA)
http://r13.i.lencr.org/
OCSP Must-Staple No
Trust evaluation

Attempted: Yes

Trusted: Yes

OpenSSL diagnostic command
openssl s_client -connect sophos.com:443 -servername sophos.com

Result Detail

WAF
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