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Total

DNS

Email

Security

Network

100

Availability

Domainlanguagetool.org

IPv42

IPv62

MX records3

StatusActive

Domain technical report

Free AI Grammar Checker - LanguageTool

languagetool.org

Instantly check grammar, punctuation, and spelling errors with LanguageTool's AI-powered grammar checker. Enhance your writing in over 30 languages with ease.

Generated: 2026-08-10T06:37:34-05:00 · Cached result

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IPv42

IPv62

MX3

NS2

DiagnosticsMain findings and recommendations

✓

IPv4 (A)30 / 30 pts · Dns

2 IPv4 address(es) detected.

✓

IPv6 (AAAA)10 / 10 pts · Dns

2 IPv6 address(es) detected.

✓

Name server redundancy20 / 20 pts · Dns

2 NS record(s); 2 or more required.

✓

SOA record10 / 10 pts · Dns

Authoritative zone record.

DNSSEC chain0 / 15 pts · Dns

Both DS and DNSKEY are required.

CAA policy0 / 5 pts · Dns

Certificate authority restriction.

✓

DNS propagation10 / 10 pts · Dns

Agreement between public resolvers.

✓

MX records20 / 20 pts · Mail

3 MX record(s).

✓

SPF25 / 25 pts · Mail

SPF policy published.

DMARC0 / 25 pts · Mail

DMARC policy not found.

✓

DKIM20 / 20 pts · Mail

A DKIM selector was verified.

MTA-STS0 / 5 pts · Mail

Mail transport policy.

TLS-RPT0 / 5 pts · Mail

TLS reporting policy.

✓

Valid TLS certificate55 / 55 pts · Security

66 day(s) remaining.

✓

Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

HTTP security headers4 / 35 pts · Security

1 of 9 evaluated headers detected.

PTR reverse DNS0 / 30 pts · Network

PTR not detected.

✓

IPv4 diversity35 / 35 pts · Network

Two or more IPv4 addresses receive full points.

✓

IPv6 connectivity35 / 35 pts · Network

AAAA availability.

✓

DNS resolution40 / 40 pts · Availability

At least one address family must resolve.

✓

HTTP response40 / 40 pts · Availability

HTTP/2 200

✓

HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

2 record(s)

172.64.151.199
104.18.36.57

AAAA

2 record(s)

2606:4700:4407::6812:2439
2a06:98c1:310a::ac40:97c7

CNAME

0 record(s)

—

Not configured

MX

3 record(s)

10 mxext1.mailbox.org.
10 mxext2.mailbox.org.
20 mxext3.mailbox.org.

TXT

5 record(s)

"google-site-verification=4kcGC8T8NU8wg_JXuPDsA3Ay5pTRjRN5l6PHZM418GU"
"anthropic-domain-verification-tqt955=XC8iSuUu6O0yAHRkzkeG0hXUz"
"google-site-verification=6T5QkUsYowsBcSieh3C8taMeP90rYVv4QZdMB7ZMxus"
"v=spf1 mx a include:mailbox.org include:spf.mailjet.com include:spf.discoursehosting.com include:spf.nl2go.com include:mail.zendesk.com ?all"
"facebook-domain-verification=kbgupexwv60riv42cokpzcce2cukn5"

NS

2 record(s)

adrian.ns.cloudflare.com.
chris.ns.cloudflare.com.

SOA

1 record(s)

adrian.ns.cloudflare.com. dns.cloudflare.com. 2411739885 10000 2400 604800 1800

SPF

Configured

v=spf1 mx a include:mailbox.org include:spf.mailjet.com include:spf.discoursehosting.com include:spf.nl2go.com include:mail.zendesk.com ?all

DMARC

Not configured

—

Not configured

DKIM

Selector s1

k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEApcXaf7+O9Y/AMMWtlYPVPo/aWUpNUJPYBzTslbNqk91WZLxQo8HzTSQSI4m//ub7onOyAwzlT3X30oaqCjvcDg7Ah/kONp0Jlb2MJYBlxCLMIWfAQZ58AJBWF9yYcEWWpXj+CmzNmwP/WHOxU4Sm0kyZjor6GZHyF9yi/tIJe9/09qH9FtDsXj3Bg9wW8TIY/Ht19krLbXUEOC+ciqjdjaWqd1k/eWE+zJxD7FExYsuA9tSEhE03kpl1CMkG9IJhZd2dV6DhO3tOwB6ve2KenVsy2J4ec3cZe2rqddYju2BaUIKHPAc/RvNERmnz+XMM8hGKyoxM1texkkUQQSyv3QIDAQAB

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

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.

Final URL

https://languagetool.org/

HTTP status

200

HTTP

Status

HTTP/2 200

Final URL

https://languagetool.org/

Version

Server

cloudflare

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

Google Trust Services

languagetool.org

Valid from

2026-07-17T23:50:20-05:00

Valid until

2026-10-16T00:50:03-05:00

Days remaining

Protocol

TLSv1.3

Cipher

TLS_AES_256_GCM_SHA384

Security headers

1 active

—

HSTSNot detected

—

Content Security PolicyNot detected

—

X-Content-Type-OptionsNot detected

✓

X-Frame-OptionsImplemented

—

Referrer PolicyNot detected

—

Permissions PolicyNot detected

—

Cross-Origin-Opener-PolicyNot detected

—

Cross-Origin-Embedder-PolicyNot detected

—

Cross-Origin-Resource-PolicyNot detected

DNS propagationComparison across public resolvers

Public resolver comparison

Consistent

✓

Consistent propagation

5 public resolvers queried.

ResolverServerResultLatency

Google

8.8.8.8

104.18.36.57, 172.64.151.199

53,58 ms

Cloudflare

1.1.1.1

104.18.36.57, 172.64.151.199

18,56 ms

Quad9

9.9.9.9

104.18.36.57, 172.64.151.199

26,01 ms

OpenDNS

208.67.222.222

104.18.36.57, 172.64.151.199

53,33 ms

AdGuard

94.140.14.14

104.18.36.57, 172.64.151.199

133,52 ms

IP, geolocation and ASNAssociated network information

172.64.151.199

No data

success

country

region

city

asn

organization

isp

104.18.36.57

No data

success

country

region

city

asn

organization

isp

Visitor information

Visitor

216.73.217.62

reverse

country

country_code

region

city

latitude

longitude

isp

organization

asn

timezone

browser

Other

language

user_agent

Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)

is_bot

Yes

cloudflare

SMTPEmail port connectivity

mxext1.mailbox.org

Port 25: Closed/unreachable - 8.1 ms - 
Port 465: Closed/unreachable - 4019.8 ms - 
Port 587: Closed/unreachable - 4021.2 ms -

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