https://garbau-git-preview-garbau.vercel.app
Infrastructure
· 17 checks — DNS, redirects, IPv6, crawlability, URL variants, and domain intelligence rolled into one auditable list.SCORE
80
GRADE
B
FIX
0
REVIEW
10
PASS
6
INFO
1
Probed from Madrid, Spain
302 Found
Checks
176 PASS 10 REVIEW
BDNSSECUnsigned (DNSSEC not deployed)REVIEW
DNSSEC
Unsigned (DNSSEC not deployed)
Unsigned (DNSSEC not deployed)
Info::
DNSSEC is not deployed
The zone is not DNSSEC-signed. Users on validating resolvers (Cloudflare 1.1.1.1, Quad9 9.9.9.9, growing default in mobile resolvers) get no protection against DNS spoofing for this domain. Most registrars now offer DNSSEC at a single click; consider enabling it for sites where authenticity matters (banking, healthcare, government).
BCAA RecordsNo CAA records (any CA may issue certificates)REVIEW
CAA Records
No CAA records (any CA may issue certificates)
No CAA records (any CA may issue certificates)
Info::
No CAA records published
Without CAA records, any publicly-trusted CA can issue certificates for this domain. Adding a CAA record (`yourdomain. IN CAA 0 issue "letsencrypt.org"`) restricts issuance to CAs you authorize. Required by CAB Forum baseline since 2017; the default of 'any CA' is widely supported but is the broader attack surface for issuance fraud.
CReverse DNSAction0/2 IPs match cert SANREVIEW
Reverse DNS
Action0/2 IPs match cert SAN
0/2 IPs match cert SAN
Info::
PTR lookup failed for 216.198.79.195: lookup 216.198.79.195: no such host
No reverse DNS record set for this IP. Common on bare cloud-VM IPs without provider-side PTR; not a security issue.
Info::
PTR lookup failed for 64.29.17.195: lookup 64.29.17.195: no such host
No reverse DNS record set for this IP. Common on bare cloud-VM IPs without provider-side PTR; not a security issue.
BRedirect Chain2 redirect(s), 672 ms totalREVIEW
Redirect Chain
2 redirect(s), 672 ms total
2 redirect(s), 672 ms total
Warning::
2 redirects before reaching final URL
Each redirect adds latency. Try to minimize the chain to 1 hop.
Info::
Uses 302 (temporary) redirect
If permanent, use 301 instead.
Got: https://garbau-git-preview-garbau.vercel.app
Info::
Redirect overhead: 672 ms total
Got: 672 ms
Info::
Cross-domain redirect detected
https://garbau-git-preview-garbau.vercel...
173 ms · HTTP/1.1
302
https://vercel.com/sso-api?url=https%3A%...
443 ms · HTTP/1.1
307
https://vercel.com/login?next=%2Fsso-api...
55 ms · HTTP/1.1 FINAL
| # | URL | Status | Time | Protocol | Server |
|---|---|---|---|---|---|
| 1 | https://garbau-git-preview-garbau.vercel... | 302 | 173 ms | HTTP/1.1 | Vercel |
| 2 | https://vercel.com/sso-api?url=https%3A%... | 307 | 443 ms | HTTP/1.1 | Vercel |
| 3 | https://vercel.com/login?next=%2Fsso-api... | 200 | 55 ms | HTTP/1.1 | Vercel |
See the visual redirect chain in the HTTP Probe tab →
Each redirect adds latency. Try to minimize the chain to 1 hop.
Why this matters
Redirect chain — each hop adds latency; combine into one redirect where possible.
Source: Google Search Central / web.dev
If permanent, use 301 instead.
Why this matters
302 (Found) is for genuinely temporary redirects — if this redirect is permanent, switch to 301 to preserve SEO equity.
Learn more ▾ ▴
Search engines treat 302 as temporary, keeping the original URL indexed and not transferring full link equity to the destination. Use 301 (Moved Permanently) for permanent redirects (HTTP→HTTPS, www-vs-non-www, URL restructures).
Source: Google Search Central
CIPv6 ReadinessActionNo IPv6 supportREVIEW
IPv6 Readiness
ActionNo IPv6 support
No IPv6 support
Info::
No IPv6 (AAAA) records found
IPv6 support is increasingly important for global accessibility. About 40% of internet users have IPv6 connectivity.
No IPv6 Support
About 40% of internet users have IPv6. Consider adding AAAA records.
IPv6 support is increasingly important for global accessibility. About 40% of internet users have IPv6 connectivity.
Why this matters
No AAAA records — same impact as 'no IPv6 (AAAA) records'; IPv6-preferring clients pay extra latency falling back to IPv4.
Source: Google IPv6 stats
CCrawlabilityActionrobots.txt present, sitemap with 0 URLsREVIEW
Crawlability
Actionrobots.txt present, sitemap with 0 URLs
robots.txt present, sitemap with 0 URLs
Info::
robots.txt is present
Got: 10240 bytes
Info::
sitemap.xml is present
Warning::
sitemap.xml contains invalid XML
Search engines may not be able to parse the sitemap. Fix XML validation errors.
Warning::
sitemap.xml is empty — no URLs found
An empty sitemap provides no value. Add <url> entries for your pages.
Info::
robots.txt does not reference a sitemap
Add a 'Sitemap:' directive to robots.txt so search engines can discover your sitemap.
Search engines may not be able to parse the sitemap. Fix XML validation errors.
Why this matters
An unparseable sitemap is silently ignored by Google — the URLs it advertises are never queued for crawl.
Learn more ▾ ▴
Google's sitemap parser is strict about XML validity. A single unescaped `&` or unclosed tag invalidates the whole file. Run your sitemap through a validator (Search Console's Sitemaps report flags it) and fix the offending entry. Most generators escape correctly; mistakes usually come from manually-written entries.
Source: sitemaps.org / Google Search Central
An empty sitemap provides no value. Add <url> entries for your pages.
Why this matters
An empty sitemap signals 'no content to index' to Google — actively harmful versus having no sitemap at all.
Learn more ▾ ▴
Google compares URLs in the sitemap against URLs it has crawled. An empty sitemap on a site with thousands of pages signals abandonment. Either populate it correctly (most CMSes auto-generate) or delete the file and let Google crawl normally.
Source: Google Search Central / sitemaps.org
Add a 'Sitemap:' directive to robots.txt so search engines can discover your sitemap.
Why this matters
robots.txt omits Sitemap: directive — crawlers must fetch /sitemap.xml by convention; reliable but missing the explicit hint.
Source: sitemaps.org
robots.txt 200 OK
Size 10240 B Sitemaps referenced 0 User-agents Blocking No — crawling allowed
<!DOCTYPE html><html data-dpl-id="dpl_AHhoLu6JCsdqkuZF7n9itZ4fkh3k" class="VEU71W_className X0u9Hq_className VEU71W_variable X0u9Hq_variable dash" lang="en-US"><head><meta charSet="utf-8"/><meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1"/><link rel="stylesheet" href="/_next/static/immutable/chunks/052uy04jbbw3m.css" data-precedence="next"/><link rel="stylesheet" href="/_next/static/immutable/chunks/1jc8son67d-_8.css" data-precedence="next"/><link rel="stylesheet" href="/_next/static/immutable/chunks/1-9yb6i_h9yg1.css" data-precedence="next"/><link rel="stylesheet" href="/_next/static/immutable/chunks/3vqqyy4w38wyl.css" data-precedence="next"/><link rel="preload" as="script" fetchPriority="low" href="/_next/static/immutable/chunks/1krd_81cec7ra.js"/><script src="/_next/static/immutable/chunks/3rxy6d_dsn9uu.js" async=""></script><script src="/_next/static/immutable/chunks/2ddjettp8-k6m.js" async=""></script><script 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a{#a;#b;#c=0;constructor(){let{promise:b,resolve:c}=a.#d();this.#a=b,this.#b=c,this.#e(),window.addEventListener("online",this.#f),window.addEventListener("visibilitychange",this.#f)}getChallenge=async()=>(await this.#g(),await this.#a.then(a=>"function"==typeof a?a():a));#f=()=>{if(document.hidden)return;let{promise:b,resolve:c}=a.#d();this.#a=b,this.#b=c,window.V_C=[],window.V_C.push=c;let d=document.querySelector('script[src*="c.js"]');d&&d.remove(),this.#c+=1};#e=()=>{if(window.V_C){let a=window.V_C.pop();a&&this.#b(a)}else window.V_C=[],window.V_C.push=this.#b};#g=()=>{let a=new URL("/149e9513-01fa-4fb0-aad4-566afd725d1b/2d206a39-8ed7-437e-a3be-862e0f06eea3/a-4-a/c.js",window.location.origin);return a.searchParams.set("i",String(this.#c)),a.searchParams.set("v",String(3)),a.searchParams.set("h",window.location.host),b(a.pathname+a.search)};#h=()=>{window.V_C=void 0};static #d(){let a,b;return{promise:new Promise((c,d)=>{a=c,b=d}),resolve:a,reject:b}}},d=class 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b}},e=a=>{let b=a.replace(/[.?+^$[\]\\(){}|-]/g,"\\$&").split("*").join(".*");return RegExp(`^${b}$`)},f=({path:a,pattern:b})=>-1!==a.search(b);!function({protect:a=[]}){let b;for(let b of a)if(b.advancedOptions?.checkLevel!==void 0&&"deepAnalysis"!==b.advancedOptions.checkLevel&&"basic"!==b.advancedOptions.checkLevel)throw Error(`Invalid checkLevel "${b.advancedOptions.checkLevel}" for route "${b.path}". Must be one of: deepAnalysis, basic`);let g=new c,h=new d(a);(async function(a,b,c){let d=XMLHttpRequest.prototype.open,g=XMLHttpRequest.prototype.send;XMLHttpRequest.prototype.open=function(a,b,c,e,f){return this._requestUrl=b.toString(),this._requestMethod=a,d.call(this,a,b,c??!0,e,f)},XMLHttpRequest.prototype.send=async function(d){let h=this.
sitemap.xml 200 OK
Type URL Set URLs 0 entries Valid XML No
BTLS Certificate Expiry & Recommendations31 days until leaf cert expires — 2 issues to addressREVIEW
TLS Certificate Expiry & Recommendations
31 days until leaf cert expires — 2 issues to address
Certificate validity
31
days left
0d 30d 60d 90d+
Recommended actions
- Enable DNSSEC on your domain for DNS spoofing protection
- Enable OCSP stapling on your TLS server to remove a CA roundtrip and protect user privacy
BCDN & DeliveryDocument on Vercel; assets also on AkamaiREVIEW
CDN & Delivery
Document on Vercel; assets also on Akamai
Document on Vercel; assets also on Akamai
Info::
Document is served via Vercel CDN
Got: delegation garbau-git-preview-garbau.vercel.app
Info::
Assets on Akamai: assets.vercel.com (assets: 10)
Got: 2a02:26f0:e0:481::29cc in 2a02:26f0::/32 (Akamai)
Info::
Assets on Vercel: vercel.com (assets: 6), cache HIT
Got: x-vercel-id: cdg1::6xbnj-1793104289576-989a26c6b8ed
Document served via CDN: Vercel
Provider Vercel Evidence delegation garbau-git-preview-garbau.vercel.app
Asset hosts on a CDN
- assets.vercel.com — Akamai · assets: 10
- vercel.com — Vercel · assets: 6 · Cache Status: HIT
Other asset hosts
- accounts.google.com — assets: 3 · Google
- si-next.vercel-scripts.com — assets: 1 · below probe threshold
BCDN Cache ObservabilityNo CDN cache-status headers in the responseREVIEW
CDN Cache Observability
No CDN cache-status headers in the response
No CDN cache-status headers in the response
Info::
No CDN cache-status headers in the response
Without an X-Cache / CF-Cache-Status / X-Vercel-Cache / Age header, you can't tell from outside whether a request hit the cache or went to origin. Operationally important: enables debugging stale-content reports and verifying cache rules. Most managed CDN platforms emit at least one of these by default; absence often means the platform's diagnostic headers are stripped at an upstream proxy.
BOperational Status PageNo status page link detectedREVIEW
Operational Status Page
No status page link detected
No status page link detected
Info::
No operational status page link detected
Status pages communicate planned maintenance and incidents to users -- a hallmark of operationally-mature services. Most SaaS teams publish one via Atlassian Statuspage, Instatus, BetterUptime, or a self-hosted Cachet. Smaller sites legitimately don't need one; flagged as Info, not a failure.
ADNS Records2 A records, 29 ms lookupPASS
DNS Records
2 A records, 29 ms lookup
2 A records, 29 ms lookup
Info::
Resolves to 2 IPv4 address(es)
Got: 216.198.79.195, 64.29.17.195
Info::
No IPv6 (AAAA) records
Info::
No NS records found
Info::
No MX records — email not configured via DNS
Info::
No SPF record found in TXT records
SPF helps prevent email spoofing. Add a TXT record starting with 'v=spf1'.
Info::
DNS resolution time: 29 ms
Got: 29 ms
| A | 216.198.79.195, 64.29.17.195 |
| AAAA | — |
| CNAME | — |
| NS | — |
| MX | — |
| TXT | — |
| CAA | Lookup not available with standard resolver |
Resolved in 29 ms
SPF helps prevent email spoofing. Add a TXT record starting with 'v=spf1'.
Why this matters
Without SPF, receiving servers can't validate sending IPs — your domain is easier to spoof in phishing.
Learn more ▾ ▴
SPF complements DMARC. Both should be published. SPF records list authorized sending IPs (e.g., `v=spf1 include:_spf.google.com ~all` for Google Workspace). After publishing, verify in Google Postmaster Tools or mxtoolbox.
Source: RFC 7208 (SPF)
A+Subdomain TakeoverNo subdomain takeover risk detectedPASS
Subdomain Takeover
No subdomain takeover risk detected
No subdomain takeover risk detected
Info::
No CNAME record present
A+Multi-Resolver DNS SpeedMean 15ms across 3 resolvers (spread 24ms)PASS
Multi-Resolver DNS Speed
Mean 15ms across 3 resolvers (spread 24ms)
Mean 15ms across 3 resolvers (spread 24ms)
Info::
Quad9: 1ms
Got: 1ms via 9.9.9.9:53
Info::
Cloudflare: 19ms
Got: 19ms via 1.1.1.1:53
Info::
Google: 25ms
Got: 25ms via 8.8.8.8:53
A+URL Variantswww/non-www, trailing slash, HTTP→HTTPSPASS
URL Variants
www/non-www, trailing slash, HTTP→HTTPS
www/non-www, trailing slash, HTTP→HTTPS
Info::
HTTP correctly redirects to HTTPS permanently
Got: HTTP 308
www / non-www
https://www.garbau-git-preview-garbau.vercel.app/
200https://garbau-git-preview-garbau.vercel.app/
HTTP → HTTPS
308http://garbau-git-preview-garbau.vercel.app/ → https://garbau-git-preview-garbau.vercel.app/
Consistent
A+HTTP Probe TimingTotal 242 ms — DNS, TCP, TLS, TTFB, content transfer breakdownPASS
HTTP Probe Timing
Total 242 ms — DNS, TCP, TLS, TTFB, content transfer breakdown
DNS Lookup DNS Lookup — time to resolve the domain name to an IP address.
31 msTCP Connect TCP Connect — time to establish a TCP connection to the server.
1 msTLS Handshake TLS Handshake — time to complete the HTTPS encryption handshake.
38 msTime to First Byte Time to First Byte — how long the server takes to respond with the first byte of data.
242 msTotal Time Total request time from DNS lookup through full response.
242 msConnection waterfall
DNS Lookup 31 ms TCP Connect 1 ms TLS Handshake 38 ms Server Processing 172 ms Content Transfer 0 ms
A+Health Check EndpointHealth endpoint at https://garbau-git-preview-garbau.vercel.app/health (HTTP 200)PASS
Health Check Endpoint
Health endpoint at https://garbau-git-preview-garbau.vercel.app/health (HTTP 200)
Health endpoint at https://garbau-git-preview-garbau.vercel.app/health (HTTP 200)
Info::
Public health endpoint at https://garbau-git-preview-garbau.vercel.app/health
Got: https://garbau-git-preview-garbau.vercel.app/health
Domain IntelligenceDomain intelligence data not availableINFO
Domain Intelligence
Domain intelligence data not available
Domain intelligence data not available
RDAP and WHOIS lookup both failed
All checks on this page are automated. Results are estimates - run targeted manual reviews when the score affects a release decision.