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Gridlode
Rank #6,284Updated November 10, 2026

putty.org

Mike Yeadon: Final Warning

putty.org is registered with Gandi SAS since October 31, 1999 (27.0 years). The registration expires on October 31, 2029. The site runs on HSTS. Its email security grade is C. Its SSL certificate is issued by Let's Encrypt and is valid for 75 more days.

Domain age
27.0 yrs
Technologies
1
Email security
C
SSL days left
75

Registration

RegistrarGandi SAS
IANA ID81
RegisteredOctober 31, 1999
ExpiresOctober 31, 2029
UpdatedAugust 12, 2026
Statusclient transfer prohibited
Name serversns-1429.awsdns-50.org, ns-1891.awsdns-44.co.uk, ns-199.awsdns-24.com, ns-848.awsdns-42.net
DNSSECNot signed

DNS records

TypeValueTTL
A3.23.50.241300
MXmail.bitvise.com 10300
NSns-1429.awsdns-50.org172800
NSns-1891.awsdns-44.co.uk172800
NSns-199.awsdns-24.com172800
NSns-848.awsdns-42.net172800
CAAissue 0 amazon.com300
CAAissue 0 letsencrypt.org300
CAAissue 0 sectigo.com300
TXTv=spf1 ip4:50.18.172.175 -all300

Technology stack

Security

SSL certificate

ValidValid
IssuerUS, YR2, Let's Encrypt
ExpiresJanuary 25, 2027
Days remaining75
ProtocolTLSv1.2
Namesputty.org, www.putty.org

Email security

CScore 70/100 across SPF, DMARC, DKIM, MTA-STS and BIMI.
  • warnNo DKIM key found at common selectors (google, selector1, selector2, default, k1, k2, s1, s2, ...). DKIM may still use a custom selector we cannot guess.
  • warnNo MTA-STS: mail sent to you can be downgraded to an unencrypted connection.
  • warnNo TLS-RPT record, so you won't hear about failed encrypted deliveries.
  • warnNo BIMI record (optional: shows your logo next to your emails in supporting inboxes).
  • goodSPF record found.
  • goodSPF ends with -all: servers you have not listed are rejected (hard fail).
  • goodDMARC policy is reject: mail that fails authentication is blocked.
  • goodDMARC aggregate reports are sent to mailto:[email protected].
  • good1 MX record(s) found.

Homepage metadata

TitleMike Yeadon: Final Warning
IndexableYes
Word count275

About putty.org

Who is the registrar of putty.org?

putty.org is registered with Gandi SAS (IANA ID 81).

When does putty.org expire?

The current registration of putty.org expires on October 31, 2029. It was first registered on October 31, 1999.

What technology does putty.org use?

We detected 1 technologies on putty.org, including HSTS.

Does putty.org protect its email with SPF and DMARC?

putty.org scores 70/100 (grade C) for email security. No DKIM key found at common selectors (google, selector1, selector2, default, k1, k2, s1, s2, ...). DKIM may still use a custom selector we cannot guess. No MTA-STS: mail sent to you can be downgraded to an unencrypted connection.

What are the name servers of putty.org?

putty.org uses ns-1429.awsdns-50.org, ns-1891.awsdns-44.co.uk, ns-199.awsdns-24.com, ns-848.awsdns-42.net.