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https://crn.com

Infrastructure

· 9 checks — DNS, redirects, IPv6, crawlability, URL variants, and domain intelligence rolled into one auditable list.
SCORE
93
GRADE
A
FIX
0
REVIEW
3
PASS
6
INFO
0
Probed from Madrid, Spain
301 Moved Permanently
Checks
9
6 PASS 3 REVIEW
B
URL Variants
www/non-www, trailing slash, HTTP→HTTPS
REVIEW
www/non-www, trailing slash, HTTP→HTTPS
Critical::
Both www and non-www versions serve content
Got: Both variants return 200 Expected: One variant 301-redirects to the other
Info::
HTTP correctly 301-redirects to HTTPS

www / non-www

200https://www.crn.com/
200https://crn.com/

Inconsistent — duplicate content risk

HTTP → HTTPS

301http://crn.com/ → https://www.crn.com/

Consistent

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

Certificate validity

48
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
B
CDN & Delivery
Cloudflare
REVIEW
Cloudflare
Info::
Site is served via Cloudflare CDN (edge: CDG)
Got: cf-ray: 9f07cad91b49657d-CDG
CDN Detected: Cloudflare
Provider Cloudflare Evidence cf-ray: 9f07cad91b49657d-CDG
A+
DNS Records
2 A records, 49 ms lookup
PASS
2 A records, 49 ms lookup
Info::
Resolves to 2 IPv4 address(es)
Got: 104.18.26.190, 104.18.27.190
Info::
Has 2 IPv6 (AAAA) record(s)
Got: 2606:4700::6812:1abe, 2606:4700::6812:1bbe
Info::
2 nameserver(s) configured
Got: isaac.ns.cloudflare.com, lara.ns.cloudflare.com
Info::
No MX records — email not configured via DNS
Info::
CAA records not checked
CAA record lookup requires a specialized DNS resolver. This check will be available in a future update.
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: 49 ms
Got: 49 ms
A104.18.26.190, 104.18.27.190
AAAA2606:4700::6812:1abe, 2606:4700::6812:1bbe
CNAME—
NSisaac.ns.cloudflare.com, lara.ns.cloudflare.com
MX—
TXT
google-site-verification=muVzWTfcTyfs26KvpKxbxGONbXgOi-kklsl3ElV3Qug
CAALookup not available with standard resolver
Resolved in 49 ms

CAA record lookup requires a specialized DNS resolver. This check will be available in a future update.

Why this matters

Informational: CAA (Certification Authority Authorization) records weren't checked in this scan.

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
Redirect Chain
1 redirect(s), 180 ms total
PASS
1 redirect(s), 180 ms total
Info::
Single redirect
Got: https://crn.com → https://www.crn.com/ (301)
Info::
WWW normalization redirect

https://crn.com

58 ms · HTTP/1.1

301

https://www.crn.com/

122 ms · HTTP/1.1 FINAL

#URLStatusTimeProtocolServer
1https://crn.com30158 msHTTP/1.1cloudflare
2https://www.crn.com/200122 msHTTP/1.1cloudflare

See the visual redirect chain in the HTTP Probe tab →

A+
IPv6 Readiness
IPv6 reachable (17 ms)
PASS
IPv6 reachable (17 ms)
Info::
IPv6 is configured and reachable at 2606:4700::6812:1abe, 2606:4700::6812:1bbe
Got: 17 ms connect
IPv6 Ready
AAAA Records 2606:4700::6812:1abe, 2606:4700::6812:1bbe Connection Reachable (17 ms)
A+
Crawlability
robots.txt present, sitemap with 51 URLs
PASS
robots.txt present, sitemap with 51 URLs
Info::
robots.txt is present
Got: 1057 bytes
Info::
sitemap.xml is present
Info::
sitemap.xml is valid XML
Info::
sitemap.xml contains 51 entries
Info::
Sitemap index with 51 child sitemaps
Info::
robots.txt references sitemap
robots.txt 200 OK
Size 1057 B Sitemaps referenced 1 User-agents *, sentibot, Miso/1.0.0 (Linux) Blocking No — crawling allowed
User-agent: *
Allow: /
Sitemap: https://www.crn.com/sitemap-index.xml

Disallow: */breakingnews.asp
Disallow: */channel-encyclopedia/
Disallow: */channelcommunity/
Disallow: */components/
Disallow: */contributions/
Disallow: */emailthisarticle.htm
Disallow: */encyclopedia/
Disallow: */int/
Disallow: */nl/
Disallow: */print/
Disallow: */printablearticle.htm
Disallow: */printableArticle.jhtml
Disallow: */printerFriendly.jhtml
Disallow: */printmail/
Disallow: */printpdf/
Disallow: */reviews/client-devices/
Disallow: */sections/
Disallow: */stock-quotes-financial-data/
Disallow: */tabletablearticle.htm
Disallow: */tools/quotes/index.jhtml
Disallow: */var/
Disallow: /*.asp
Disallow: /*.asp$
Disallow: /*.jhtml
Disallow: /*.jhtml$
Disallow: /channel-encyclopedia/
Disallow: /encyclopedia/
Disallow: /search-request.htm
Disallow: /slide-shows/channel-programs/240007608/the-top-female-executives-of-the-2012-fast-growth-100.htm
Disallow: */tag/
Disallow: /query/related/related


User-agent: sentibot
Disallow: /

User-agent: Miso/1.0.0 (Linux) 
Allow: /
sitemap.xml 200 OK
Type Sitemap Index URLs 51 entries Valid XML Yes
Child Sitemaps:
A+
Domain Intelligence
crn.com — via CSC Corporate Domains, Inc., 31 years, 7 months old
PASS
crn.com — via CSC Corporate Domains, Inc., 31 years, 7 months old
Info::
Domain registered until Mar 3, 2027 (10 months remaining)
Info::
DNSSEC is not enabled
DNSSEC protects against DNS spoofing attacks. While not required, enabling DNSSEC adds an additional layer of security. Contact your DNS provider to enable it.
Info::
Registrar: CSC Corporate Domains, Inc.
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

231 days

March 3, 2027

SSL certificate

48 days

Issued by Google Trust Services

Domain age

31 years, 7 months

Registered March 2, 1995

DNSSEC

Not enabled

Protects against DNS spoofing

Hosting

Unknown

2606:4700::6812:1bbe

Registrar

CSC Corporate Domains, Inc.

Unlocked 2 NS records
Expiry timeline
Today
+1 year
Domain expiry SSL expiry Danger zone (≤30 days)
Recommended actions
  • Enable DNSSEC to protect visitors from DNS spoofing
  • Enable registrar lock (clientTransferProhibited) to block unauthorized domain transfers
Registrar CSC Corporate Domains, Inc.
Created March 2, 1995 (31 years, 7 months ago)
Expires March 3, 2027 (10 months)
Last Updated February 27, 2026
Name Servers isaac.ns.cloudflare.com, lara.ns.cloudflare.com
DNSSEC Not enabled
Hosting
IP Address 2606:4700::6812:1bbe
Data source: rdap (0.1s)

DNSSEC protects against DNS spoofing attacks. While not required, enabling DNSSEC adds an additional layer of security. Contact your DNS provider to enable it.

Why this matters

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.

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

A+
HTTP Probe Timing
Total 96 ms — DNS, TCP, TLS, TTFB, content transfer breakdown
PASS
DNS Lookup DNS Lookup — time to resolve the domain name to an IP address.
39 ms
TCP Connect TCP Connect — time to establish a TCP connection to the server.
17 ms
TLS Handshake TLS Handshake — time to complete the HTTPS encryption handshake.
22 ms
Time to First Byte Time to First Byte — how long the server takes to respond with the first byte of data.
97 ms
Total Time Total request time from DNS lookup through full response.
97 ms

Connection waterfall

DNS Lookup 39 ms TCP Connect 17 ms TLS Handshake 22 ms Server Processing 18 ms Content Transfer 0 ms
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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