seostack.dev

seostack.dev serves a website of its own over HTTPS and under www. It answers on IPv4 only, with a valid TLS certificate and MX records for mail.

1,982,209 other domains share an IP address with it.

The most recent crawl returned the page title “SEOStack — Free Technical SEO Tools” and 67,521 bytes of HTML.

Domain properties

Property	Value	Explanation
Top-level domain	.dev	Statistics for all domains we know under this TLD.
Has website	yes	A website is hosted under the domain, which does not redirect to an external domain.
Has MX-record	yes	The domain has an MX record.
External redirect	no	The domain redirects to another domain.
Redirect to https	yes	The domain redirects to https.
Redirect to www.	yes	The domain redirects to www.domain.
Only with www.	no	The domain can only be reached with the subdomain "www".
Only DNS, no website	no	There are no A or AAAA records in DNS.
IP-Address	only IPv4	Shows whether the domain only has IPv4 or IPv6 or both.
SSL-Certificate	valid	Shows whether the domain has a valid SSL certificate.
Redirects	0	Number of domains that redirect to this domain.
Reverse IP	1,982,209	Number of domains with the same IP(s).

This data through the API

The data on this page is also available as JSON: /lookup for the key facts, /reverseip, /redirect and /similar for the lists, and /dnshistory with Basic and Premium. A free account comes with an API key and 100 calls a day.

curl -X POST https://api.webxtrend.com/v1.0/lookup \
  -H 'Content-Type: application/json' \
  -d '{"token": "YOUR_TOKEN", "query": "seostack.dev"}'

Create a free account Read the API docs

Similar websites

Website	Similarity
storecheck.io StoreCheck.io — Free SEO & Performance Validators for Magento 10 free validators for structured data, hreflang, sitemaps, robots.txt, cache, SSL and performance — tuned for Magento, Luma and Hyvä storefronts.	90 %
seo.to Free SEO Tools — Keyword Research, Audits, Validators — SEO.to Free SEO tools you can use without an account: keyword research, SERP preview, on-page audits, robots.txt and sitemap checks, redirect tracing, schema and AI...	89 %
pagechecks.com Free SEO & AI Readiness Tools - No Signup \| PageChecks Free SEO tools to audit meta tags, validate schema, and test AI visibility. 31 checks, no account required.	88 %
darnitseo.com DarnItSEO \| SEO Audit, Action Plan & AI Visibility Audit your site, get a prioritized action plan, track where you appear in AI answers, and see what it takes to outrank competitors.	88 %
wappaero.click SEO & Redirect Intelligence Suite	87 %
webinc.co Free SEO Tools: DNS, SSL, Meta & PageSpeed \| WebINC Free SEO tools with no signup: DNS lookup, SSL checker, meta tag analyzer, PageSpeed / Core Web Vitals, redirect tracer, HTTP headers, and PageRank. Instant...	86 %
free-website-auditor.com Free Website Auditor \| All-in-One SEO & Technical Diagnostic Tools Free all-in-one website audit tools. Check dead links, audit heading hierarchy (H1-H6), inspect keywords and titles, validate robots.txt, test sitemaps, chec...	86 %
yesmeta.com YesMeta – Free Online Tools for SEO, SSL, SMTP, Port Checking & More YesMeta offers a collection of free online tools: Sitemap URL Extractor, Meta Tag Extractor, Redirect Checker, Robots.txt Generator, SSL Checker, SMTP Tester...	86 %
ferrlens.com FerrLens. Every web tool you keep Googling for, one tab SEO scores, DNS lookups, email deliverability, security headers, dev utilities: 43 free web tools in one tab. No login wall, sensible rate limits, no ads.	86 %
enfect.com Free SEO, QR Code & URL Tools \| Enfect Free browser-based tools for SEO and web work: decode a QR code, trace a redirect chain, validate an XML sitemap, read a robots.txt, build UTM links and coun...	85 %
seoriva.com seoriva — The Website Launch Checklist, Automated Launching a website? Run the day-1 checklist automatically — SEO, security, HTML, WordPress & sitemap checks across every page — instead of doing it by hand.	85 %
serp.tools SEO Tools for Specialists — Precise, No Bloat On-page, technical, and GEO tools built on real practitioner methodology — pixel-accurate, bulk-capable, no bloat. Create a free account for tool history, AI...	85 %
verifymeta.com Free SEO Tool Suite \| Meta Tag Generator & Site Auditor Generate & preview SEO meta tags, Open Graph and X cards. Audit your website’s metadata and fix technical SEO issues instantly with VerifyMeta.	85 %
myseostack.com MySEOStack - Free SEO Tools & Structured Data Generators A complete collection of free SEO utilities and schema markup generators. Analyze your site, validate structured data, and create rich snippets without signi...	85 %
toprankertools.com TopRankerTools — All-in-One SEO Platform \| Audit, Index, Monitor & Grow SEO platform that automates on-page audits, Google indexation, keyword tracking from Search Console, PageSpeed monitoring, and uptime checks. Free trial.	85 %
seoaudittools.us Meta Accessibility Tester & SEO Suite \| Advanced Optimization Tools Free high-performance 3D SEO Suite powered by PHP 8.5. Analyze meta tags, test accessibility metrics, check keyword density, and inspect SSL certificates ins...	85 %
kedaikelontong.asia SEO & Redirect Intelligence Suite	85 %
nodseo.com NodSEO — Free Online Web & SEO Tools Free online SEO tools for developers and marketers. Generate UTM URLs, trace redirect chains, check canonical tags, and more — no account required.	85 %
sitekittools.com SiteKitTools.com - Free SEO Tools: Website, Redirect, Speed & Core Web Vitals Checker SiteKitTools.com offers free, fast SEO tools including a website checker, redirect checker, page size checker, speed test, and Core Web Vitals checker	85 %
citedly.tech Citedly — Free SEO & GEO Tools for AI Visibility 10 free, deterministic tools to check how well AI engines and search crawlers can find, read and cite your site. No signup, no cost, no AI calls.	85 %

Websites whose start page offers something similar, found by comparing the text of their start pages, across languages. Near-identical copies, parking pages and error pages are left out. The full list of up to 100 comes through the API: similar websites.

Last SSL certificate

Issuer	Let's Encrypt
Valid from	9/24/2026
Valid to	12/23/2026
Time until expiry	65 days

Last successful crawl

Title	SEOStack — Free Technical SEO Tools
Description	Professional SEO tools for technical analysis, auditing and optimization. Free, fast, no account required.
Content-Length	67,521 bytes

Title and description as published by the page itself in its own <title> and <meta name="description"> tags.

DNS history

IPv4 address	Last updated
216.198.79.1	5/31/2026

Mail server	Priority	Last updated
eforward1.registrar-servers.com	10	5/31/2026
eforward2.registrar-servers.com	10	5/31/2026
eforward3.registrar-servers.com	10	5/31/2026
eforward4.registrar-servers.com	15	5/31/2026
eforward5.registrar-servers.com	20	5/31/2026

Name server	Last updated
dns1.registrar-servers.com	5/31/2026
dns2.registrar-servers.com	5/31/2026

The five most recent states of each record type. The full history comes through the API: DNS history.

Most recent redirect domains

No domains found.

Reverse IP neighbours

216.198.79.1 1,982,209 domains · here since 9/12/2026

Domain	On this IP since
zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz.uk	10/9/2026
zzzzzly.online	9/22/2026
zzzzrakesh.me	9/19/2026
zzzznayu.ru	9/19/2026
zzzzdevelopment.com	10/13/2026
zzzzas.app	10/12/2026
zzzz.yt	9/19/2026
zzzz.lt	9/15/2026
zzzxc.com	10/9/2026
zzztools.com	9/20/2026
zzzsunny.space	9/13/2026
zzzril.art	9/22/2026
and 1,982,196 more

Sharing an address does not always mean sharing a server: on a CDN or a large hosting platform, millions of unrelated domains answer on the same few addresses. We measured how far that goes in Half the web sits on 276 IP addresses. The complete list of neighbours, also for an IP address, comes through the API: reverse IP lookup.

Dive into our data, search now!