DNS Gurus
Cached · just now
76/100 SECURITY SCORE

Certificate Information

Subject
CN=steelfabrication770810.icu
Issuer
C=US, O=Let's Encrypt, CN=R12
Valid From
January 31, 2026
Valid Until
May 01, 2026 78 days
Public Key
RSA 4096 bit Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
E4:18:66:35:7E:E3:4F:75:61:C9:48:22:98:31:E7:45:94:8B:2F:5B:5D:47:DD:BE:E3:47:19:CA:56:D2:98:B7
Alternative Names
90 domains

Security Configuration

TLS Protocols
TLS 1.2 TLS 1.3
Forward Secrecy
Supported (Modern clients use PFS)

HTTP Security Headers

Status
Strict-Transport-Security
Missing
Not configured
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Missing
Not configured
X-Content-Type-Options
Missing
Not configured
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
  • • Add Strict-Transport-Security header with max-age of at least 1 year
  • • Add Content-Security-Policy header to prevent XSS attacks
  • • Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
  • • Add X-Content-Type-Options: nosniff
  • • Add Referrer-Policy header (recommended: strict-origin-when-cross-origin)
  • • Consider adding Permissions-Policy to control browser features

CAA Records (Certificate Authority Authorization)

CAA Records
Not Configured (Any CA can issue certificates)
CAA Issues
  • • No CAA records configured - any CA can issue certificates
Recommendations
  • • Implement CAA records to restrict which CAs can issue certificates for your domain
  • • This adds an extra layer of security against unauthorized certificate issuance
  • • Example: Add CAA record 'example.com. CAA 0 issue "letsencrypt.org"'
  • • Consider adding 'iodef' record to receive security incident reports

Subject Alternative Names

90 domains
transferfactorsus.com *.transferfactorsus.com

Other domains in certificate

spinalcordinjury583913.icu *.spinalcordinjury583913.icu
spinalcordinjury755192.icu *.spinalcordinjury755192.icu
spinalcordinjury764220.icu *.spinalcordinjury764220.icu
spinecare647887.icu *.spinecare647887.icu
spondylitis-pills-797323894.click *.spondylitis-pills-797323894.click
ssdilawyersinid811558.icu *.ssdilawyersinid811558.icu
staffleadershiptraining090986.icu *.staffleadershiptraining090986.icu
stainless-steel-301179710.click *.stainless-steel-301179710.click
stainlesssteel721324.icu *.stainlesssteel721324.icu
stainlesssteel916027.icu *.stainlesssteel916027.icu
stairlifts502114.icu *.stairlifts502114.icu
steelcontractors635027.icu *.steelcontractors635027.icu
steelfabrication770810.icu *.steelfabrication770810.icu
strategicfunding.org *.strategicfunding.org
sugar777x.com *.sugar777x.com
supplement-oem-351632759.click *.supplement-oem-351632759.click
suv-lease-deals384443.icu *.suv-lease-deals384443.icu
suv-lease-deals880879.icu *.suv-lease-deals880879.icu
suv-lease-deals927603.icu *.suv-lease-deals927603.icu
tcpdw.gdn *.tcpdw.gdn
td90395.cc *.td90395.cc
tdx.quest *.tdx.quest
teambuildingactivity533751.icu *.teambuildingactivity533751.icu
temporarywarehousebuildings702823.icu *.temporarywarehousebuildings702823.icu
texas-poker-315077750.click *.texas-poker-315077750.click
tfex.love *.tfex.love
th2w2dhg.top *.th2w2dhg.top
thailand-travel728701.icu *.thailand-travel728701.icu
thailand-travel984195.icu *.thailand-travel984195.icu
thoughttoimage.com *.thoughttoimage.com
tn1p2u4.top *.tn1p2u4.top
topcsn.quest *.topcsn.quest
topuptstvafrica.com *.topuptstvafrica.com
tracking-info-fret.com *.tracking-info-fret.com
traitementscapillairesetcutans172474.icu *.traitementscapillairesetcutans172474.icu
transmission-repair-792860965.click *.transmission-repair-792860965.click
trauma-care-663721059.click *.trauma-care-663721059.click
tree-removal628214.icu *.tree-removal628214.icu
tree-removal675385.icu *.tree-removal675385.icu
tree-removal714113.icu *.tree-removal714113.icu
treecuttingservice269506.icu *.treecuttingservice269506.icu
treecuttingservice661168.icu *.treecuttingservice661168.icu
treecuttingservice778270.icu *.treecuttingservice778270.icu
yl8000.com *.yl8000.com