languagetool.org
Free AI Grammar Checker - LanguageTool
languagetool.org is registered with Vautron Rechenzentrum AG since November 23, 2006 (20.0 years). The registration expires on November 23, 2026. The site runs on Laravel, Amplitude, Google Identity Services and 4 other technologies. Its email security grade is F. Its SSL certificate is issued by Google Trust Services and is valid for 34 more days.
- Domain age
- 20.0 yrs
- Technologies
- 7
- Email security
- F
- SSL days left
- 34
Registration
| Registrar | Vautron Rechenzentrum AG |
|---|---|
| IANA ID | 1443 |
| Registered | November 23, 2006 |
| Expires | November 23, 2026 |
| Updated | August 12, 2026 |
| Status | active |
| Name servers | adrian.ns.cloudflare.com, chris.ns.cloudflare.com |
| DNSSEC | Not signed |
DNS records
| Type | Value | TTL |
|---|---|---|
| A | 104.18.36.57 | 87 |
| A | 172.64.151.199 | 87 |
| MX | mxext1.mailbox.org 10 | 300 |
| MX | mxext2.mailbox.org 10 | 300 |
| MX | mxext3.mailbox.org 20 | 300 |
| NS | adrian.ns.cloudflare.com | 86400 |
| NS | chris.ns.cloudflare.com | 86400 |
| TXT | anthropic-domain-verification-tqt955=XC8iSuUu6O0yAHRkzkeG0hXUz | 300 |
| TXT | facebook-domain-verification=kbgupexwv60riv42cokpzcce2cukn5 | 300 |
| TXT | google-site-verification=4kcGC8T8NU8wg_JXuPDsA3Ay5pTRjRN5l6PHZM418GU | 300 |
| TXT | google-site-verification=6T5QkUsYowsBcSieh3C8taMeP90rYVv4QZdMB7ZMxus | 300 |
| TXT | v=spf1 mx a include:mailbox.org include:spf.mailjet.com include:spf.discoursehosting.com include:spf.nl2go.com include:mail.zendesk.com ?all | 300 |
| AAAA | 2606:4700:4407::6812:2439 | 26 |
| AAAA | 2a06:98c1:310a::ac40:97c7 | 26 |
Technology stack
Analytics and advertising IDs
google_tag_manager:GTM-WSQ9CCWSSL certificate
| Valid | Valid |
|---|---|
| Issuer | US, WE1, Google Trust Services |
| Expires | December 14, 2026 |
| Days remaining | 34 |
| Protocol | TLSv1.3 |
| Names | languagetool.org, *.languagetool.org |
Email security
- badSPF needs about 11 DNS lookups but the limit is 10. Receivers return a permanent error, so SPF fails. Flatten or remove includes.
- badNo DMARC record. Receivers have no instructions for mail that fails SPF and DKIM, and you get no reports about who sends as your domain.
- warnSPF ends with ?all, which tells receivers nothing. Use ~all or -all.
- 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.
- goodDKIM keys found (selector: s1, s2, mandrill).
- good3 MX record(s) found.
Homepage metadata
| Title | Free AI Grammar Checker - LanguageTool |
|---|---|
| Description | Instantly check grammar, punctuation, and spelling errors with LanguageTool's AI-powered grammar checker. Enhance your writing in over 30 languages with ease. |
| Language | en |
| Canonical | https://languagetool.org/ |
| Structured data | Organization, SoftwareApplication |
| Indexable | Yes |
| Word count | 1609 |
About languagetool.org
Who is the registrar of languagetool.org?
languagetool.org is registered with Vautron Rechenzentrum AG (IANA ID 1443).
When does languagetool.org expire?
The current registration of languagetool.org expires on November 23, 2026. It was first registered on November 23, 2006.
What technology does languagetool.org use?
We detected 7 technologies on languagetool.org, including Amplitude, Google Identity Services, Cloudflare, Sentry, PHP, Google Tag Manager.
Does languagetool.org protect its email with SPF and DMARC?
languagetool.org scores 24/100 (grade F) for email security. SPF needs about 11 DNS lookups but the limit is 10. Receivers return a permanent error, so SPF fails. Flatten or remove includes. No DMARC record. Receivers have no instructions for mail that fails SPF and DKIM, and you get no reports about who sends as your domain.
What are the name servers of languagetool.org?
languagetool.org uses adrian.ns.cloudflare.com, chris.ns.cloudflare.com.