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https://tambosi-odeonsplatz.de

Infrastructure

· 17 checks — DNS, redirects, IPv6, crawlability, URL variants, and domain intelligence rolled into one auditable list.
SCORE
91
GRADE
A
FIX
1
REVIEW
9
PASS
7
INFO
0
Probed from Madrid, Spain
200 OK
Checks
17
7 PASS 9 REVIEW 1 FIX
F
HTTP Probe Timing
Action
Total 3374 ms — DNS, TCP, TLS, TTFB, content transfer breakdown
FIX
DNS Lookup DNS Lookup — time to resolve the domain name to an IP address.
37 ms
TCP Connect TCP Connect — time to establish a TCP connection to the server.
27 ms
TLS Handshake TLS Handshake — time to complete the HTTPS encryption handshake.
62 ms
Time to First Byte Time to First Byte — how long the server takes to respond with the first byte of data.
3.32 s
Total Time Total request time from DNS lookup through full response.
3.37 s

Connection waterfall

DNS Lookup 37 ms TCP Connect 27 ms TLS Handshake 62 ms Server Processing 3.19 s Content Transfer 55 ms
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.
B
Reverse DNS
0/2 IPs match cert SAN
REVIEW
0/2 IPs match cert SAN
Info::
PTR for 178.77.111.118 does not match any cert SAN: vwp16089.webpack.hosteurope.de
Common when behind a CDN or shared hosting (PTR points at the provider's hostname). Mismatch can also affect mail deliverability if this IP sends email -- many MTAs reject mail when forward+reverse DNS disagree.
Info::
PTR lookup failed for 2a01:488:42:1000:b24d:6f76:ff67:f281: lookup 2a01:488:42:1000:b24d:6f76:ff67:f281: 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.
B
URL Variants
www/non-www, trailing slash, HTTP→HTTPS
REVIEW
www/non-www, trailing slash, HTTP→HTTPS
Critical::
HTTP version does not redirect to HTTPS
Got: HTTP 0 Expected: 301 redirect to HTTPS

www / non-www

https://www.tambosi-odeonsplatz.de/
200https://tambosi-odeonsplatz.de/

HTTP → HTTPS

http://tambosi-odeonsplatz.de/

HTTP version does not redirect to HTTPS

B
TLS Certificate Expiry & Recommendations
170 days until leaf cert expires — 3 issues to address
REVIEW

Certificate validity

170
days left
0d 30d 60d 90d+

Recommended actions

  • 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
C
CDN & Delivery
Action
Assets on AWS CloudFront (host mytools.aleno.me, 3 assets); document served directly from origin
REVIEW
Assets on AWS CloudFront (host mytools.aleno.me, 3 assets); document served directly from origin
Warning::
Document not behind existing CDN (AWS CloudFront serves the assets)
The page's subresources are delivered by AWS CloudFront (mytools.aleno.me, 3 assets), but the HTML document itself comes straight from the origin. Routing the document through the CDN already in use is the cheapest latency win available here -- the provider relationship, the certificate and the config already exist. A short edge TTL with stale-while-revalidate suits HTML that changes often; if the response is genuinely per-user, edge TLS termination alone still removes a full round trip from every visitor's first byte.
Got: x-amz-cf-id: 4s5Qr2xmcerOnCneifaNMq6nfXsLLREKL4dEE93EM7iz6DSrNUjgaA==
Info::
Assets on AWS CloudFront: mytools.aleno.me (assets: 3), cache Hit from cloudfront
Got: x-amz-cf-id: 4s5Qr2xmcerOnCneifaNMq6nfXsLLREKL4dEE93EM7iz6DSrNUjgaA==
Warning: Assets on a CDN, document is not: AWS CloudFront
Document origin not attributed

Asset hosts on a CDN

  • mytools.aleno.me — AWS CloudFront · assets: 3 · Cache Status: Hit from cloudfront

Other asset hosts

  • hugos-weinbar.de — assets: 6 · not attributed

The heavy static files already ride an edge network, but every visitor still waits on the origin for the HTML itself. Routing the document through the same CDN is usually a config change rather than a migration: a short edge TTL with stale-while-revalidate for cacheable HTML, or edge TLS termination alone when the response is per-user.

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: connection error, /health: connection error, /healthz: connection error, /ping: connection error, /status: connection error.
A+
DNS Records
1 A records, 32 ms lookup
PASS
1 A records, 32 ms lookup
Info::
Resolves to 1 IPv4 address(es)
Got: 178.77.111.118
Info::
Single A record — no DNS redundancy
Multiple A records provide failover if one server goes down.
Info::
Has 1 IPv6 (AAAA) record(s)
Got: 2a01:488:42:1000:b24d:6f76:ff67:f281
Info::
2 nameserver(s) configured
Got: ns70.domaincontrol.com, ns69.domaincontrol.com
Info::
1 mail exchanger(s) configured
Info::
SPF record present in TXT
Info::
DNS resolution time: 32 ms
Got: 32 ms
A178.77.111.118
AAAA2a01:488:42:1000:b24d:6f76:ff67:f281
CNAME—
NSns70.domaincontrol.com, ns69.domaincontrol.com
MX
999 tambosiodeonsplatz-de01i.mail.protection.outlook.com
TXT
MS=ms17115803
SPF v=spf1 include:spf.protection.outlook.com -all
google-site-verification=vh-q-Nskar516o005HX79C6TJ0BN_PdxOupjED5-awM
CAALookup not available with standard resolver
Resolved in 32 ms

Multiple A records provide failover if one server goes down.

Why this matters

Single A record means a single point of failure — if that IP goes down, your site is unreachable until DNS TTL expires.

Learn more ▾

Add multiple A records for round-robin failover, or use a managed DNS provider with health-checked failover (Route 53, Cloudflare, NS1). Short TTL (60-300s) lets clients recover faster on outages.

Source: SRE practice / DNS architecture

A+
Subdomain Takeover
No subdomain takeover risk detected
PASS
No subdomain takeover risk detected
Info::
No CNAME record present
A+
Multi-Resolver DNS Speed
Mean 34ms across 3 resolvers (spread 17ms)
PASS
Mean 34ms across 3 resolvers (spread 17ms)
Info::
Cloudflare: 24ms
Got: 24ms via 1.1.1.1:53
Info::
Google: 37ms
Got: 37ms via 8.8.8.8:53
Info::
Quad9: 41ms
Got: 41ms via 9.9.9.9:53
A+
Redirect Chain
No redirects — direct access
PASS
No redirects — direct access
Info::
No redirects — direct access
Got: https://tambosi-odeonsplatz.de

https://tambosi-odeonsplatz.de

3322 ms · HTTP/1.1 FINAL

#URLStatusTimeProtocolServer
1https://tambosi-odeonsplatz.de2003322 msHTTP/1.1Apache
A+
IPv6 Readiness
IPv6 reachable (25 ms)
PASS
IPv6 reachable (25 ms)
Info::
IPv6 is configured and reachable at 2a01:488:42:1000:b24d:6f76:ff67:f281
Got: 25 ms connect
IPv6 Ready
AAAA Records 2a01:488:42:1000:b24d:6f76:ff67:f281 Connection Reachable (25 ms)
A+
Crawlability
robots.txt present, sitemap with 1 URLs
PASS
robots.txt present, sitemap with 1 URLs
Info::
robots.txt is present
Got: 180 bytes
Info::
sitemap.xml is present
Info::
sitemap.xml is valid XML
Info::
sitemap.xml contains 1 entries
Info::
Sitemap index with 1 child sitemaps
Info::
robots.txt references sitemap
robots.txt 200 OK
Size 180 B Sitemaps referenced 1 User-agents * Blocking No — crawling allowed
# START YOAST BLOCK
# ---------------------------
User-agent: *
Disallow:

Sitemap: https://tambosi-odeonsplatz.de/sitemap_index.xml
# ---------------------------
# END YOAST BLOCK
sitemap.xml 200 OK
Type Sitemap Index URLs 1 entries Valid XML Yes
Child Sitemaps:
A+
Domain Intelligence
tambosi-odeonsplatz.de
PASS
tambosi-odeonsplatz.de
Warning::
Registrar lock is NOT enabled
The domain can be transferred without an unlock step. Enable registrar lock (clientTransferProhibited) in your registrar's control panel to protect against unauthorized or accidental transfers.
Domain expiry

Unknown

SSL certificate

170 days

Issued by Starfield Technologies, Inc.

Domain age

Unknown

DNSSEC

Status unknown

Protects against DNS spoofing

Hosting

Unknown

2a01:488:42:1000:b24d:6f76:ff67:f281

Registrar

Registrar unknown

Unlocked Name servers unknown
Expiry timeline
Today
+1 year
SSL expiry Danger zone (≤30 days)
Recommended actions
  • Enable registrar lock (clientTransferProhibited) to block unauthorized domain transfers
Registrar
Hosting
IP Address 2a01:488:42:1000:b24d:6f76:ff67:f281
Data source: whois (0.7s)

The domain can be transferred without an unlock step. Enable registrar lock (clientTransferProhibited) in your registrar's control panel to protect against unauthorized or accidental transfers.

Why this matters

Without registrar lock, an attacker who phishes your registrar credentials can transfer the domain in minutes — total brand hijack.

Learn more ▾

Registrar lock (clientTransferProhibited, clientUpdateProhibited, clientDeleteProhibited) requires extra verification before any transfer/update/delete. Every major registrar offers it free. Combined with 2FA on your registrar account, it's the strongest defense against domain hijacking.

Source: ICANN / domain-security best practice

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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