kotlinlang.org
Kotlin Programming Language
kotlinlang.org is registered with Squarespace Domains II LLC since September 30, 2013 (13.1 years). The registration expires on September 30, 2027. The site runs on Next.js, React, Optimizely and 5 other technologies. Its email security grade is C. Its SSL certificate is issued by Amazon and is valid for 101 more days.
- Domain age
- 13.1 yrs
- Technologies
- 8
- Email security
- C
- SSL days left
- 101
Registration
| Registrar | Squarespace Domains II LLC |
|---|---|
| IANA ID | 895 |
| Registered | September 30, 2013 |
| Expires | September 30, 2027 |
| Updated | October 1, 2026 |
| Status | client delete prohibited, client transfer prohibited |
| Name servers | ns-1287.awsdns-32.org, ns-163.awsdns-20.com, ns-1638.awsdns-12.co.uk, ns-953.awsdns-55.net |
| DNSSEC | Not signed |
DNS records
| Type | Value | TTL |
|---|---|---|
| A | 13.35.58.3 | 60 |
| A | 13.35.58.78 | 60 |
| A | 13.35.58.20 | 60 |
| A | 13.35.58.21 | 60 |
| MX | aspmx.l.google.com 1 | 300 |
| MX | alt3.aspmx.l.google.com 10 | 300 |
| MX | alt4.aspmx.l.google.com 10 | 300 |
| MX | alt1.aspmx.l.google.com 5 | 300 |
| MX | alt2.aspmx.l.google.com 5 | 300 |
| NS | ns-1287.awsdns-32.org | 172800 |
| NS | ns-163.awsdns-20.com | 172800 |
| NS | ns-1638.awsdns-12.co.uk | 172800 |
| NS | ns-953.awsdns-55.net | 172800 |
| CAA | iodef 0 mailto:[email protected] | 3600 |
| CAA | issue 0 amazon.com | 3600 |
| CAA | issue 0 letsencrypt.org | 3600 |
| CAA | issuewild 0 ; | 3600 |
| TXT | facebook-domain-verification=fz49z7zr0ycqj7f9qvli45x3wqzfrh | 300 |
| TXT | google-site-verification=Kldj7OgchCyGYVHwynlh6tOmYdmPHPVno2VxUNeW0TI | 300 |
| TXT | v=spf1 include:_spf.google.com a:mkto-mailer.jetbrains.com -all | 300 |
Technology stack
Analytics and advertising IDs
google_tag_manager:GTM-5P98Other sites using the same IDs: jetbrains.com
SSL certificate
| Valid | Valid |
|---|---|
| Issuer | US, Amazon RSA 2048 M04, Amazon |
| Expires | February 20, 2027 |
| Days remaining | 101 |
| Protocol | TLSv1.3 |
| Names | kotlinlang.org, www.kotlinlang.org, kotlinlang.prod.kotlin-aws.intellij.net, www.kotlinlang.prod.kotlin-aws.intellij.net |
Email security
- warnDMARC has no rua= address, so you receive no reports about mail sent as your domain.
- warnDKIM key found (selector: google) but it is only 1024 bits; 2048 is recommended.
- 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.
- good5 MX record(s) found. Mail is handled by Google Workspace.
Homepage metadata
| Title | Kotlin Programming Language |
|---|---|
| Description | Kotlin is a concise and multiplatform programming language by JetBrains. Enjoy coding and build backend, mobile, web, and desktop applications efficiently. |
| Language | en |
| Canonical | https://kotlinlang.org/ |
| Indexable | Yes |
| Word count | 844 |
About kotlinlang.org
Who is the registrar of kotlinlang.org?
kotlinlang.org is registered with Squarespace Domains II LLC (IANA ID 895).
When does kotlinlang.org expire?
The current registration of kotlinlang.org expires on September 30, 2027. It was first registered on September 30, 2013.
What technology does kotlinlang.org use?
We detected 8 technologies on kotlinlang.org, including Optimizely, Amazon CloudFront, Google Fonts, Amazon S3, Next.js, React.
Does kotlinlang.org protect its email with SPF and DMARC?
kotlinlang.org scores 76/100 (grade C) for email security. DMARC has no rua= address, so you receive no reports about mail sent as your domain. DKIM key found (selector: google) but it is only 1024 bits; 2048 is recommended.
What are the name servers of kotlinlang.org?
kotlinlang.org uses ns-1287.awsdns-32.org, ns-163.awsdns-20.com, ns-1638.awsdns-12.co.uk, ns-953.awsdns-55.net.