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Rank #7,331Updated November 10, 2026

realpython.com

Real Python: Build Real-World Python Skills

realpython.com is registered with 1API GmbH since August 7, 2012 (14.3 years). The registration expires on August 7, 2027. The site runs on Django, Google Analytics 4, Google Identity Services and 4 other technologies. Its email security grade is B. Its SSL certificate is issued by Let's Encrypt and is valid for 53 more days.

Domain age
14.3 yrs
Technologies
7
Email security
B
SSL days left
53

Registration

Registrar1API GmbH
IANA ID1387
RegisteredAugust 7, 2012
ExpiresAugust 7, 2027
UpdatedAugust 2, 2026
Statusclient transfer prohibited
Name serverscurt.ns.cloudflare.com, joan.ns.cloudflare.com
DNSSECSigned

DNS records

TypeValueTTL
A172.66.152.40183
A104.20.21.64183
MXaspmx.l.google.com 1300
MXalt1.aspmx.l.google.com 5300
MXalt2.aspmx.l.google.com 5300
MXalt3.aspmx.l.google.com 10300
MXalt4.aspmx.l.google.com 10300
NScurt.ns.cloudflare.com86400
NSjoan.ns.cloudflare.com86400
TXTopenai-domain-verification=dv-fH5y7meWHKLGgcZuenhzq9WI300
TXTfacebook-domain-verification=mq46mq2is4d14vhplara08baid717h300
TXTgoogle-site-verification=A7KGy9dXNDDjfcJxzeheQMV3zXmEaGyhfXGD8gVnV0o300
TXTgoogle-site-verification=Ubborzk4tBqoxnQn8nPqAyMvR6MFiJEJABBL8_y63QQ300
TXTheroku-domain-verification=4wmxxfa6kei5mnhcv1uv9tupeqkktlelsdph/9h1zyw300
TXTv=spf1 include:sendgrid.net include:_spf.google.com include:spf.mtasv.net -all300
TXTahrefs-site-verification_b23bde4d9aec7044956dcd71cf0d11f916b0e454decab322485d1711448974f4300
AAAA2606:4700:10::ac42:9828204
AAAA2606:4700:10::6814:1540204

Technology stack

JavaScript library
Programming language
Security
Web framework

Analytics and advertising IDs

google_analytics:G-L7L6L5F6Y6

SSL certificate

ValidValid
IssuerUS, YE2, Let's Encrypt
ExpiresJanuary 3, 2027
Days remaining53
ProtocolTLSv1.3
Names*.realpython.com, realpython.com

Email security

BScore 87/100 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.
  • 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, s1, s2).
  • good5 MX record(s) found. Mail is handled by Google Workspace.
  • goodBIMI record found: supporting inboxes can show your brand logo.

Homepage metadata

TitleReal Python: Build Real-World Python Skills
DescriptionBuild real-world Python skills by doing: expert-written tutorials with interactive quizzes and coding exercises, video courses, and an AI mentor that guides you at every level.
Languageen
Canonicalhttps://realpython.com/
Structured dataOrganization, WebSite
IndexableYes
Word count720

About realpython.com

Who is the registrar of realpython.com?

realpython.com is registered with 1API GmbH (IANA ID 1387).

When does realpython.com expire?

The current registration of realpython.com expires on August 7, 2027. It was first registered on August 7, 2012.

What technology does realpython.com use?

We detected 7 technologies on realpython.com, including Google Analytics 4, Google Identity Services, Cloudflare, htmx, Python, HSTS.

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

realpython.com scores 87/100 (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 realpython.com?

realpython.com uses curt.ns.cloudflare.com, joan.ns.cloudflare.com.