EthRunner Station

The score

Every check gets a result. A pass is worth 1 point, a warning ½ point and a failure 0. The score is the points earned divided by the number of checks that count.

Some checks are informational: useful to know, but not a problem if missing. They appear as dim segments on the ring and don’t affect the score.

The grade

Grade	Score
A+	97% or more, with no failures
A	90–96%
B	80–89%
C	70–79%
D	60–69%
F	Below 60%

What counts

• Registration: expiry date (warning within 30 days, failure within 7) and transfer lock.
• DNS: the name resolves, and it has at least two nameservers.
• Hosting: it has an address, and none of them are private.
• Certificate: trusted, matches the name, more than 14 days left, TLS 1.2 or newer, RSA keys at least 2048 bits.
• Website: responds without an error, redirects HTTP to HTTPS, and sends HSTS, Content-Security-Policy, clickjacking protection and X-Content-Type-Options headers.
• Mail: exactly one SPF record within the 10-lookup limit and with a safe policy, a DMARC record set to quarantine or reject, and DKIM keys of 2048 bits or more.
• Propagation: public resolvers agree on the nameservers and mail servers.

Shown but not scored

DNSSEC, IPv6, CAA, Referrer-Policy, DMARC report address, MTA-STS, TLS reporting, BIMI, and differing website addresses between resolvers, which is normal for sites on a CDN.

What the grade can’t tell you

• EthRunner checks public configuration. It doesn’t test the website itself for vulnerabilities, so it isn’t a penetration test or an OWASP Top 10 audit.
• DKIM keys can only be found by name. We try 31 common names, so a domain with a custom one shows a warning even if its DKIM works.
• Results reflect what our server saw at scan time and may be cached for up to an hour. Press R to rescan.

Last updated 23 October 2026

What we receive

When you scan a domain, the name you entered is sent to our server, which runs the checks. Results are cached for up to an hour so repeat scans are fast. Cached results contain only public information about the domain.

Who our server contacts

To run the checks, our server queries public DNS, the domain registry (RDAP or WHOIS), the public resolvers at Cloudflare, Google and Quad9, and the domain’s own web server. Those parties see a request from our server, not from you.

Your IP address

Our web server sees your IP address, like any website. We use it to limit how many scans one visitor can run per minute, and the rate-limit counter is discarded within two minutes.

Stored preferences

Your theme setting is saved in your browser’s local storage. Clearing site data removes it.

Advertising

Ads are delivered through Bigheim Technologies, LLC’s advertising service at ads.bigheim.com. Ad requests include standard connection information, such as your IP address and browser headers. The service records ad impressions and clicks. The domains you scan are not included in ad requests. Clicking an ad takes you to the advertiser’s site, where their privacy policy applies.

Questions

Use the Contact page to reach us about your data.

Last updated 23 October 2026

Using EthRunner

EthRunner is a free tool that checks publicly available information about a domain. By using it, you agree to these terms.

Acceptable use

Use EthRunner for troubleshooting and research. Don’t use it to bulk-scan domains, automate requests, or probe systems you have no reason to examine. Scans are rate-limited, and we may block abusive traffic.

Results

Checks reflect what our server saw at the time of the scan and may be cached. Grades are a quick guide, not a security audit, and may be incomplete or inaccurate.

Third-party content

Advertisements and linked sites are run by others. We aren’t responsible for their content, products or practices.

Provided as is

The service is provided without warranties of any kind. To the extent the law allows, EthRunner is not liable for damages arising from its use.

Changes

We may update these terms. The date above shows the latest version.

General and support

hello@ethrunner.com

Advertising

To place an ad on EthRunner, email support@bigheim.com with your dates and creative sizes.

Privacy requests

support@bigheim.com

We usually reply within two working days.

Advertise on EthRunner

Showcase your product on EthRunner Station. Advertising is managed through Bigheim Ads.

Placement

EthRunner — two sponsored positions flanking a central sponsorship panel below the main controls.

Creative format

Supply a 600 × 500 image plus a headline, short description, destination link, and call to action. On wide screens, the two sponsored placements flank a permanent EthRunner advertising panel and fill the full available width. The row stacks on smaller screens.

EthRunner styling

Artwork uses our monochrome filter, scanlines, and subtle signal-glitch effects to match the station. Original colors appear on hover or keyboard focus. Reduced-motion preferences are respected.

Get in touch

Include your product or website, preferred dates, and the placement you are interested in. Contact us for availability and pricing.