Infrastructure
· 9 checks — DNS, redirects, IPv6, crawlability, URL variants, and domain intelligence rolled into one auditable list.DCDN & DeliveryActionNo CDN detectedFIX
Consider using a CDN to improve global delivery speed and reduce origin load.
BRedirect Chain2 redirect(s), 48 ms totalREVIEW
https://trenitalia.com
15 ms · HTTP/1.1
https://www.trenitalia.com/
28 ms · HTTP/1.1
https://www.trenitalia.com/it.html
5 ms · HTTP/1.1 FINAL
| # | URL | Status | Time | Protocol | Server |
|---|---|---|---|---|---|
| 1 | https://trenitalia.com | 301 | 15 ms | HTTP/1.1 | |
| 2 | https://www.trenitalia.com/ | 301 | 28 ms | HTTP/1.1 | |
| 3 | https://www.trenitalia.com/it.html | 200 | 5 ms | HTTP/1.1 |
See the visual redirect chain in the HTTP Probe tab →
Each redirect adds latency. Try to minimize the chain to 1 hop.
Redirect chain — each hop adds latency; combine into one redirect where possible.
Source: Google Search Central / web.dev
CIPv6 ReadinessActionNo IPv6 supportREVIEW
IPv6 support is increasingly important for global accessibility. About 40% of internet users have IPv6 connectivity.
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
Search engines may not be able to parse the sitemap. Fix XML validation errors.
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.
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.
robots.txt omits Sitemap: directive — crawlers must fetch /sitemap.xml by convention; reliable but missing the explicit hint.
Source: sitemaps.org
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<meta charset="UTF-8">
<title>Home Trenitalia | Trenitalia</title>
<meta name="description" content="Acquista il biglietto del treno online con le nostre offerte. Viaggia con Frecciarossa, alta velocità da centro a centro città.">
<meta name="template" content="page-home">
<meta name="viewport" content="width=device-width, initial-scale=1">
<meta name="format-detection" content="telephone=no">
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<link rel="canonical" href="https://www.trenitalia.com/it.html">
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<meta property="og:title" content="Home Trenitalia">
<meta property="og:description" content="Acquista il biglietto del treno online con le nostre offerte. Viaggia con Frecciarossa, Frecciargento e Fracciabianca, alta velocità da centro a centro città.">
<meta property="og:image" content="https://www.trenitalia.com:443null">
<meta property="og:url" content="https://www.trenitalia.com/content/trenitalia/it.html">
<meta name="twitter:card" content="summary">
<meta name="twitter:title" content="Home Trenitalia">
<meta name="twitter:description" content="Acquista il biglietto del treno online con le nostre offerte. Viaggia con Frecciarossa, Frecciargento e Fracciabianca, alta velocità da centro a centro città.">
<meta name="twitter:image" content="https://www.trenitalia.com:443null">
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if
BTLS Certificate Expiry & Recommendations258 days until leaf cert expires — 3 issues to addressREVIEW
Certificate validity
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
A+DNS Records1 A records, 13 ms lookupPASS
| A | 23.222.35.55 |
| AAAA | — |
| CNAME | — |
| NS | a1-180.akam.net, a7-64.akam.net, a11-67.akam.net, a16-67.akam.net, a18-65.akam.net, a14-67.akam.net |
| MX | 10 mxb-002e6a01.gslb.pphosted.com 10 mxa-002e6a01.gslb.pphosted.com |
| TXT | _05mw0ymx0g57pirkgr02j78pmx3dlvo ODcv00lGtQx4rv9g6UTiSLRm9TW+yvtVt7TfXE86GyifGDiGmU1hqejT2ThzU9VEykLLJ0LdA/EuHPui... MS=ms73271391 _ki1ieqrxs6qw5mn50xglr4b5t1uo6p5 google-site-verification=cJjfNUxH0N9iyDYH-1d9WUq5BKcLdNryedxGYBP9J5k SPF v=spf1 include:spf-002e6a03.pphosted.com mx a ip4:129.35.117.23 ip4:129.35.117.2... j5yb147lt463f63shkp352247g3cprrc _33f19i2i9hz90rwbverc9pl4chquy2m ytbtz34w8f57d7x7355stgsm383fnj9r |
| CAA | Lookup not available with standard resolver |
Multiple A records provide failover if one server goes down.
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
CAA record lookup requires a specialized DNS resolver. This check will be available in a future update.
Informational: CAA (Certification Authority Authorization) records weren't checked in this scan.
A+URL Variantswww/non-www, trailing slash, HTTP→HTTPSPASS
www / non-www
Preferred variant: non-www
HTTP → HTTPS
Consistent
A+Domain Intelligencetrenitalia.com — via Key-Systems GmbH, 26 years, 6 months old, hosted on AkamaiPASS
230 days
March 1, 2027
258 days
Issued by DigiCert Inc
26 years, 6 months
Registered February 29, 2000
Not enabled
Protects against DNS spoofing
Akamai
ASN AS16625
23.222.35.55
Key-Systems GmbH
Expiry timeline
Recommended actions
- Enable DNSSEC to protect visitors from DNS spoofing
- Enable registrar lock (clientTransferProhibited) to block unauthorized domain transfers
DNSSEC protects against DNS spoofing attacks. While not required, enabling DNSSEC adds an additional layer of security. Contact your DNS provider to enable it.
Without DNSSEC, an attacker who can poison your DNS can hijack your domain — and SSL certs alone don't stop them.
Learn more ▾ ▴
DNSSEC adds cryptographic signatures to DNS records, preventing forged responses from poisoning resolver caches. Without it, an attacker who controls the network path can redirect your domain to a malicious server before any HTTPS handshake happens. Most modern registrars (Cloudflare, Google Domains, Route 53) enable it with one toggle.
Source: ICANN / RFC 4033
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.
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