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Rank #1,948Updated November 10, 2026

codecademy.com

codecademy.com is registered with CSC Corporate Domains, Inc. since August 10, 2011 (15.2 years). The registration expires on August 10, 2027. Its email security grade is B. Its SSL certificate is issued by Google Trust Services and is valid for 84 more days.

Domain age
15.2 yrs
Technologies
—
Email security
B
SSL days left
84

Registration

RegistrarCSC Corporate Domains, Inc.
IANA ID299
RegisteredAugust 10, 2011
ExpiresAugust 10, 2027
UpdatedAugust 5, 2026
Statusclient transfer prohibited
Name serversarnold.ns.cloudflare.com, serena.ns.cloudflare.com
DNSSECNot signed

DNS records

TypeValueTTL
A104.17.184.120300
A104.17.183.120300
MXcodecademy-com.mail.protection.outlook.com 5300
NSarnold.ns.cloudflare.com86400
NSserena.ns.cloudflare.com86400
TXTMS=79764F463C8CD2E367B5BF7B1DF1B1C9FFE48501300
TXTMS=ms80117904300
TXTMosyle-verification-1750951629300
TXTapple-domain-verification=6j9Dh5BuEBtMWMMg300
TXTatlassian-domain-verification=m7Ac1Hv/T4ePJa3hgcqMgYHykrG65YAE+oy9aqlN+aDA0khgC0tZSgx/8G/3x/yv300
TXTfacebook-domain-verification=mm5a3aemk4cv9yfjikcr4de2xn0ait300
TXTfigma-domain-verification=8c0a9ebe2f3a594d9d85faed8994ef2b073a992b28ea6a3e9fa3dc5582e18c25-1733342680300
TXTgoogle-gws-recovery-domain-verification=57013633300
TXTgoogle-site-verification=0pRbsGszBlAjZisxsJ2qJLXoXIKCdDlCSK_67hy5BjY300
TXTgoogle-site-verification=1pIE7oxQFgbaSths1CckFlGEYBHxpp5pD9F_ZUCcSVA300
TXTgoogle-site-verification=BAzjINWd55GJVC7I66cdi0SXSLENbMENU9tqByphDmQ300
TXTgoogle-site-verification=BB5unuHbdt4pYsHrMorf_R-mKcUdy5Bk2vvz0Ie_q44300
AAAA2606:4700::6811:b778300
AAAA2606:4700::6811:b878300

SSL certificate

ValidValid
IssuerUS, WE1, Google Trust Services
ExpiresFebruary 2, 2027
Days remaining84
ProtocolTLSv1.3
Namescodecademy.com, *.production-eks.codecademy.com, *.production-blue.codecademy.com, *.codecademy.com, *.internal.production-eks.codecademy.com, *.internal.production-blue.codecademy.com, itr.links.codecademy.com

Email security

BScore 85/100 across SPF, DMARC, DKIM, MTA-STS and BIMI.
  • 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].
  • goodDKIM keys found (selector: google, selector1, s1, s2).
  • good1 MX record(s) found. Mail is handled by Microsoft 365.

About codecademy.com

Who is the registrar of codecademy.com?

codecademy.com is registered with CSC Corporate Domains, Inc. (IANA ID 299).

When does codecademy.com expire?

The current registration of codecademy.com expires on August 10, 2027. It was first registered on August 10, 2011.

Does codecademy.com protect its email with SPF and DMARC?

codecademy.com scores 85/100 (grade B) for email security. No MTA-STS: mail sent to you can be downgraded to an unencrypted connection. No TLS-RPT record, so you won't hear about failed encrypted deliveries.

What are the name servers of codecademy.com?

codecademy.com uses arnold.ns.cloudflare.com, serena.ns.cloudflare.com.