markdownguide.org
Markdown Guide
markdownguide.org is registered with NameCheap, Inc. since January 27, 2017 (9.8 years). The registration expires on January 27, 2027. The site runs on Varnish, Fastly, Font Awesome and 3 other technologies. Its email security grade is F. Its SSL certificate is issued by Certainly and is valid for 25 more days.
- Domain age
- 9.8 yrs
- Technologies
- 6
- Email security
- F
- SSL days left
- 25
Registration
| Registrar | NameCheap, Inc. |
|---|---|
| IANA ID | 1068 |
| Registered | January 27, 2017 |
| Expires | January 27, 2027 |
| Updated | August 12, 2026 |
| Status | client transfer prohibited |
| Name servers | amy.ns.cloudflare.com, phil.ns.cloudflare.com |
| DNSSEC | Not signed |
DNS records
| Type | Value | TTL |
|---|---|---|
| A | 151.101.3.52 | 300 |
| A | 151.101.131.52 | 300 |
| A | 151.101.195.52 | 300 |
| A | 151.101.67.52 | 300 |
| MX | in1-smtp.messagingengine.com 10 | 300 |
| MX | in2-smtp.messagingengine.com 20 | 300 |
| NS | amy.ns.cloudflare.com | 86400 |
| NS | phil.ns.cloudflare.com | 86400 |
| TXT | ahrefs-site-verification_f0f099004e96b064122135556e57af335563ef0864adf369a1458256ea863d2c | 300 |
| TXT | google-site-verification=zbgz00_KoRD4wzQ58AE0MQL9rOKe9hmkQv8De5cIEe0 | 300 |
| TXT | v=spf1 include:spf.messagingengine.com ~all | 300 |
| AAAA | 2a04:4e42:a::820 | 300 |
Technology stack
SSL certificate
| Valid | Valid |
|---|---|
| Issuer | US, Certainly Intermediate R1, Certainly |
| Expires | December 5, 2026 |
| Days remaining | 25 |
| Protocol | TLSv1.3 |
| Names | markdownguide.org, www.markdownguide.org |
Email security
- 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.
- 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 marked as suspicious (soft fail).
- goodDKIM keys found (selector: fm1).
- good2 MX record(s) found. Mail is handled by Fastmail.
Homepage metadata
| Title | Markdown Guide |
|---|---|
| Description | A free and open-source reference guide that explains how to use Markdown. |
| Language | en |
| Canonical | https://www.markdownguide.org/ |
| Indexable | Yes |
| Word count | 183 |
About markdownguide.org
Who is the registrar of markdownguide.org?
markdownguide.org is registered with NameCheap, Inc. (IANA ID 1068).
When does markdownguide.org expire?
The current registration of markdownguide.org expires on January 27, 2027. It was first registered on January 27, 2017.
What technology does markdownguide.org use?
We detected 6 technologies on markdownguide.org, including Varnish, Fastly, Font Awesome, jQuery, HSTS, Nginx.
Does markdownguide.org protect its email with SPF and DMARC?
markdownguide.org scores 43/100 (grade F) for email security. 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. No MTA-STS: mail sent to you can be downgraded to an unencrypted connection.
What are the name servers of markdownguide.org?
markdownguide.org uses amy.ns.cloudflare.com, phil.ns.cloudflare.com.