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https://ezcloud.vn

Infrastructure

· 17 checks — DNS, redirects, IPv6, crawlability, URL variants, and domain intelligence rolled into one auditable list.
SCORE
83
GRADE
B
FIX
2
REVIEW
9
PASS
5
INFO
1
Probed from Madrid, Spain
200 OK
Checks
17
5 PASS 9 REVIEW 2 FIX
D
Multi-Resolver DNS Speed
Action
Mean 787ms across 3 resolvers (spread 2306ms)
FIX
Mean 787ms across 3 resolvers (spread 2306ms)
Info::
Cloudflare: 18ms
Got: 18ms via 1.1.1.1:53
Info::
Google: 19ms
Got: 19ms via 8.8.8.8:53
Info::
Quad9: 2324ms
Got: 2324ms via 9.9.9.9:53
Info::
High latency spread between resolvers: 2306ms (min 18ms / max 2324ms)
Wide gap between the fastest and slowest public resolver suggests a geographic anycast issue or an authoritative-server cache problem. Users in different regions will see materially different DNS times.
D
CDN & Delivery
Action
No CDN (document or assets)
FIX
No CDN (document or assets)
Warning::
No CDN (document or assets)
Neither the HTML document nor the page's subresources are served through an edge network. A CDN can significantly improve load times for users around the world by caching content at edge nodes closer to them.
No CDN (document or assets)

Consider using a CDN to improve global delivery speed and reduce origin load.

B
DNSSEC
Unsigned (DNSSEC not deployed)
REVIEW
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).
B
CAA Records
No CAA records (any CA may issue certificates)
REVIEW
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.
C
Reverse DNS
Action
0/2 IPs match cert SAN
REVIEW
0/2 IPs match cert SAN
Info::
PTR lookup failed for 171.244.129.67: lookup 171.244.129.67: 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 171.244.129.65: lookup 171.244.129.65: 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.
C
IPv6 Readiness
Action
No IPv6 support
REVIEW
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

B
HTTP Probe Timing
Total 1251 ms — DNS, TCP, TLS, TTFB, content transfer breakdown
REVIEW
DNS Lookup DNS Lookup — time to resolve the domain name to an IP address.
35 ms
TCP Connect TCP Connect — time to establish a TCP connection to the server.
196 ms
TLS Handshake TLS Handshake — time to complete the HTTPS encryption handshake.
397 ms
Time to First Byte Time to First Byte — how long the server takes to respond with the first byte of data.
1.04 s
Total Time Total request time from DNS lookup through full response.
1.25 s

Connection waterfall

DNS Lookup 35 ms TCP Connect 196 ms TLS Handshake 397 ms Server Processing 411 ms Content Transfer 212 ms
B
TLS Certificate Expiry & Recommendations
90 days until leaf cert expires — 4 issues to address
REVIEW

Certificate validity

90
days left
0d 30d 60d 90d+

Recommended actions

  • Prefer TLS 1.3 — TLS 1.2 is acceptable but TLS 1.3 removes RSA key exchange and improves latency
  • Enable HSTS: Strict-Transport-Security: max-age=31536000; includeSubDomains
  • 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
B
CDN Cache Observability
No CDN cache-status headers in the response
REVIEW
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.
B
Operational Status Page
No status page link detected
REVIEW
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.
B
Health Check Endpoint
No conventional health endpoint found
REVIEW
No conventional health endpoint found
Info::
No conventional health endpoint found
Health endpoints (/health, /healthz, /status, /ping, /api/health) let uptime monitors, load balancers, and orchestration systems (Kubernetes, ECS, Fly.io) verify the service is alive. Marketing sites and small services often skip them legitimately; flagged as Info, not a failure. Probe results: /api/health: 404, /health: 404, /healthz: 404, /ping: 404, /status: 404.
A+
DNS Records
2 A records, 43 ms lookup
PASS
2 A records, 43 ms lookup
Info::
Resolves to 2 IPv4 address(es)
Got: 171.244.129.67, 171.244.129.65
Info::
No IPv6 (AAAA) records
Info::
2 nameserver(s) configured
Got: erin.ns.cloudflare.com, marty.ns.cloudflare.com
Info::
3 mail exchanger(s) configured
Info::
SPF record present in TXT
Info::
DNS resolution time: 43 ms
Got: 43 ms
A171.244.129.67, 171.244.129.65
AAAA—
CNAME—
NSerin.ns.cloudflare.com, marty.ns.cloudflare.com
MX
10 mx.zoho.com
20 mx2.zoho.com
50 mx3.zoho.com
TXT
SPF v=spf1 include:zoho.com include:_spf.yandex.net include:sendgrid.net include:mai...
google-site-verification=cPCwdKREP7hbZYi88uP-0xPMvfJA7a9UDltkMXSjHvw
brevo-code:412e622846270af0004a814cfaecaf8d
lw=65bb892bc3569cc0c1ead297
google-site-verification=XKB2UcT7dBExR2v78bCghMaIo3s7GZovpFwOsw6KGps
CAALookup not available with standard resolver
Resolved in 43 ms
A+
Subdomain Takeover
No subdomain takeover risk detected
PASS
No subdomain takeover risk detected
Info::
No CNAME record present
A+
Redirect Chain
No redirects — direct access
PASS
No redirects — direct access
Info::
No redirects — direct access
Got: https://ezcloud.vn

https://ezcloud.vn

1285 ms · HTTP/1.1 FINAL

#URLStatusTimeProtocolServer
1https://ezcloud.vn2001285 msHTTP/1.1openresty/1.27.1.1
A+
Crawlability
robots.txt present, sitemap with 14 URLs
PASS
robots.txt present, sitemap with 14 URLs
Info::
robots.txt is present
Got: 168 bytes
Info::
sitemap.xml is present
Info::
sitemap.xml is valid XML
Info::
sitemap.xml contains 14 entries
Info::
Sitemap index with 14 child sitemaps
Info::
robots.txt references sitemap
robots.txt 200 OK
Size 168 B Sitemaps referenced 1 User-agents * Blocking No — crawling allowed
# START YOAST BLOCK
# ---------------------------
User-agent: *
Disallow:

Sitemap: https://ezcloud.vn/sitemap_index.xml
# ---------------------------
# END YOAST BLOCK
sitemap.xml 200 OK
Type Sitemap Index URLs 14 entries Valid XML Yes
Child Sitemaps:
A+
URL Variants
www/non-www, trailing slash, HTTP→HTTPS
PASS
www/non-www, trailing slash, HTTP→HTTPS
Info::
www/non-www redirect configured correctly (preferred: non-www)
Info::
HTTP correctly redirects to HTTPS permanently
Got: HTTP 301

www / non-www

301https://www.ezcloud.vn/
200https://ezcloud.vn/

Preferred variant: non-www

HTTP → HTTPS

301http://ezcloud.vn/ → https://ezcloud.vn/

Consistent

Domain Intelligence
Domain intelligence data not available
INFO
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.

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