putnam.com security report

Certificate, security headers, email authentication, DNS, registration, and exposed hosts — from public sources.

3risk

Low

Minor observations only.

0Critical

0High

0Medium

1Low

2Info

Collected 16 hours ago4.6sfrom cache

noteCertificate Transparency did not complete (HTTP 502). Results below are partial.
noteCertificate inspection is unavailable in this runtime.
noteNetwork ownership lookup is unavailable in this runtime; ASN and org are omitted.
noteCDN/WAF detection is unavailable in this runtime.
note2 hosts were identified as CDN/edge infrastructure from ASN ownership rather than a cdncheck fingerprint.

Full URLs — including any tokens or IDs in them — are sent to every third party the page links to.
What to do
Send `Referrer-Policy: strict-origin-when-cross-origin`.
asset: https://www.putnam.com/putnam-investments
Mail to this domain can be downgraded to plaintext by an on-path attacker, because senders have no way to know TLS is required.
What to do
Publish an MTA-STS policy (a TXT record plus a small HTTPS-hosted file).
asset: putnam.com
Any public certificate authority may issue certificates for this domain. CAA lets you name the ones allowed to.
What to do
Add a CAA record naming your CA, e.g. `0 issue "letsencrypt.org"`.
asset: putnam.com

final https://www.putnam.com/putnam-investmentsstatus 200time 358msstack cloudflare

✓http:// redirects to https://
✓Strict-Transport-Security
max-age=15768000
✓Content-Security-Policy
script-src 'self' 'unsafe-eval' 'unsafe-inline' *.adoberesources.net *.ads.linkedin.com *.apolloplatform.com *.brightcove.com *.brightcove.net *.clarity.ms *.de…
✓Clickjacking protection
via CSP frame-ancestors
✓X-Content-Type-Options
nosniff
✗Referrer-Policy
–Permissions-Policyoptional
–security.txt publishedoptional — tells researchers where to report bugs

✓Receives mail via 2 servers
us-smtp-inbound-1.mimecast.com us-smtp-inbound-2.mimecast.com
!SPFends in ~all
v=spf1 include:us._netblocks.mimecast.com include:spf.protection.outlook.com ~all
✓DMARCp=reject
v=DMARC1; p=reject; rua=mailto:390ea5e05658911@rep.dmarcanalyzer.com; ruf=mailto:390ea5e05658911@for.dmarcanalyzer.com; fo=1;
!MTA-STSinbound mail can be downgraded to plaintext

✓Registered with CSC Corporate Domains, Inc.32.0 years old
putnam.com
✓Registration expiry364 days
2027-09-06
✓Transfer lock
client transfer prohibited, server delete prohibited, server transfer prohibited, server update prohibited
✓2 nameservers at registry
dexter.ns.cloudflare.com diva.ns.cloudflare.com

Address	Ports	CVEs	Edge	Network
172.64.145.165 putnam.com +2	80443205220532082208320862087+5	0	Cloudflare~	—
104.18.42.91 putnam.com +1	80443205220532082208320862087+5	0	Cloudflare~	—

Archived URLs

Endpoints the Wayback Machine has kept — config files, backups, scripts. Slow to fetch, so it is here on request.