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Infrastructure

· 9 checks — DNS, redirects, IPv6, crawlability, URL variants, and domain intelligence rolled into one auditable list.
SCORE
97
GRADE
A+
FIX
0
REVIEW
2
PASS
7
INFO
0
Probed from New York, United Stated
200 OK
Checks
9
7 PASS 2 REVIEW
B
TLS Certificate Expiry & Recommendations
53 days until leaf cert expires — 3 issues to address
REVIEW

Certificate validity

53
days left
0d 30d 60d 90d+

Recommended actions

  • Submit your domain to hstspreload.org to be added to the Chrome preload list
  • 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
Netlify
REVIEW
Netlify
Info::
Site is served via Netlify CDN
Got: x-nf-request-id: 01KNCK7G9T4E6V3BYT6EDKRYVK
CDN Detected: Netlify
Provider Netlify Evidence x-nf-request-id: 01KNCK7G9T4E6V3BYT6EDKRYVK
A
DNS Records
2 A records, 25 ms lookup
PASS
2 A records, 25 ms lookup
Info::
Resolves to 2 IPv4 address(es)
Got: 3.33.186.135, 15.197.167.90
Info::
Has 2 IPv6 (AAAA) record(s)
Got: 2600:1f18:16e:df01::1f6, 2600:1f18:16e:df01::1f5
Info::
No NS records found
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: 25 ms
Got: 25 ms
A3.33.186.135, 15.197.167.90
AAAA2600:1f18:16e:df01::1f6, 2600:1f18:16e:df01::1f5
CNAME—
NS—
MX—
TXT—
CAALookup not available with standard resolver
Resolved in 25 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
No redirects — direct access
PASS
No redirects — direct access
Info::
No redirects — direct access
Got: https://www.smashingmagazine.com

https://www.smashingmagazine.com

31 ms · HTTP/1.1 FINAL

#URLStatusTimeProtocolServer
1https://www.smashingmagazine.com20031 msHTTP/1.1Netlify
A+
IPv6 Readiness
IPv6 reachable (7 ms)
PASS
IPv6 reachable (7 ms)
Info::
IPv6 is configured and reachable at 2600:1f18:16e:df01::1f6, 2600:1f18:16e:df01::1f5
Got: 7 ms connect
IPv6 Ready
AAAA Records 2600:1f18:16e:df01::1f6, 2600:1f18:16e:df01::1f5 Connection Reachable (7 ms)
A+
Crawlability
robots.txt present, sitemap with 7792 URLs
PASS
robots.txt present, sitemap with 7792 URLs
Info::
robots.txt is present
Got: 10240 bytes
Info::
sitemap.xml is present
Info::
sitemap.xml is valid XML
Info::
sitemap.xml contains 7792 entries
Info::
robots.txt does not reference a sitemap
Add a 'Sitemap:' directive to robots.txt so search engines can discover your sitemap.

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
User-agent: *
Disallow: /wp-admin/
Disallow: /wp-includes/
disallow: /wp-content/uploads/demos/BarGraph/index.html
disallow: /wp-content/uploads/demos/HoverPost/index.html
disallow: /wp-content/uploads/demos/ColorCategories/index.html
disallow: /wp-content/uploads/demos/ImageCaptions/index.html
disallow: /wp-content/uploads/2014/inaccessible.html
disallow: /wp-content/uploads/2014/accessible.html
disallow: /images/progressive-enhancement/navigation-1.html
disallow: /images/progressive-enhancement/navigation-2.html
disallow: /images/progressive-enhancement/navigation-3.html
disallow: /wp-content/uploads/2011/07/email_template.html
disallow: /wp-content/uploads/2015/05/splash-svg.html
disallow: /wp-content/uploads/2015/05/extruded-svg.html
disallow: /wp-content/uploads/2015/05/3dneon-svg.html
disallow: /wp-content/uploads/2015/05/copperplate-svg.html
disallow: /wp-content/uploads/2015/05/sketchy-svg.html
disallow: /wp-content/uploads/2015/05/pop-svg.html
disallow: /wp-content/uploads/2015/05/weathered-svg.html
disallow: /wp-content/uploads/2015/05/pop-safari.html
disallow: /wp-content/uploads/2015/05/copperplate-html.html
disallow: /wp-content/uploads/2015/05/extruded-html.html
disallow: /wp-content/uploads/2015/05/3dneon-html.html
disallow: /wp-content/uploads/2015/05/weathered-html.html
disallow: /wp-content/uploads/2015/05/splash-html.html
disallow: /wp-content/uploads/2015/05/pop-html.html
disallow: /wp-content/uploads/2015/05/sketchy-html.html
disallow: /wp-content/uploads/images/smashing-html5/files/index.html
disallow: /wp-content/uploads/images/smashing-html5/files/block-level-links.html
disallow: /wp-content/uploads/2012/02/image_replace1.html
disallow: /wp-content/uploads/2012/02/image_background.html
disallow: /wp-content/uploads/2012/02/class_no_image.html
disallow: /wp-content/uploads/2012/02/first_letter_firefox.html
disallow: /wp-content/uploads/2012/02/first_letter_ie.html
disallow: /wp-content/uploads/2012/02/class_no_image_letterspace.html
disallow: /wp-content/uploads/2012/02/image_replace_no_background.html
disallow: /wp-content/uploads/2012/02/span_class_jquery.html
disallow: //provide.smashingmagazine.com/group1.html
disallow: //provide.smashingmagazine.com/group2.html
disallow: //provide.smashingmagazine.com/group3.html
disallow: //provide.smashingmagazine.com/group4.html
disallow: /images/web-form-design-patterns/urls.html
disallow: //provide.smashingmagazine.com/create-demo-extension-examples/demo1/
disallow: //provide.smashingmagazine.com/create-demo-extension-examples/demo2/
disallow: //provide.smashingmagazine.com/create-demo-extension-examples/demo3/
disallow: //provide.smashingmagazine.com/create-demo-extension-examples/smashing/
disallow: //provide.smashingmagazine.com/fw-interactive-prototypes/html/contact.htm
disallow: //provide.smashingmagazine.com/fw-interactive-prototypes/html/
disallow: /wp-content/uploads/2012/07/letterpress-effect.html
disallow: /wp-content/uploads/2011/09/sinejump.html
disallow: /wp-content/uploads/2011/09/growingsinejump.html
disallow: /wp-content/uploads/2011/09/offsetissue1.html
disallow: /wp-content/uploads/2011/09/offsetissue.html
disallow: /wp-content/uploads/2011/09/simplecircle.html
disallow: /wp-content/uploads/2011/09/tancircle.html
disallow: /wp-content/uploads/2011/09/rotatingcircle.html
disallow: /wp-content/uploads/2011/09/rotatingmessage.html
disallow: /wp-content/uploads/2011/09/growrotatingmessage.html
disallow: /wp-content/uploads/2011/09/rotaterotatingmessage.html
disallow: /wp-content/uploads/2011/09/boxedrotatingmessage.html
disallow: /wp-content/uploads/uploader/images/css3-designs/css3-charts/index.html
disallow: /wp-content/uploads/uploader/images/css3-designs/css3-rubiks-cube/index.html
disallow: /wp-content/uploads/uploader/images/css3-designs/css3d/index.html
disallow: /wp-content/uploads/uploader/images/css3-designs/css3-monsters-blob/index.html
disallow: /wp-content/uploads/uploader/images/css3-designs/css3-monsters-dragon/index.html
disallow: /wp-content/uploads/uploader/images/css3-designs/css3-a-rift-in-time/html/index.html
disallow: /wp-content/uploads/uploader/images/css3-designs/css3-jewelcase/index.html
disallow: /wp-content/uploads/uploader/images/css3-designs/css3-vicero/index.html
disallow: /wp-content/uploads/uploader/images/css3-designs/css3-time-machine/index.html
disallow: /wp-content/uploads/uploader/images/css3-designs/css3-css-effects/index.html
disallow: /wp-content/uploads/uploader/images/css3-designs/css3-book/index.html
disallow: /wp-content/uploads/uploader/images/css3-designs/css3-rocket-man/index.html
disallow: /wp-content/uploads/uploader/images/css3-designs/css3-wii-ish-idea/index.html
disallow: /wp-content/uploads/uploader/images/css3-designs/css3-video-css/index.html
disallow: /wp-content/uploads/uploader/images/css3-designs/css3-megans-radius-font/index.html
disallow: /wp-content/uploads/uploader/images/css3-designs/css3-imac/index.html
disallow: /wp-content/uploads/uploader/images/css3-designs/css3-a-book-full/index.html
disallow: /wp-content/uploads/uploader/images/css3-designs/css3-camera/index.html
disallow: /wp-content/uploads/uploader/images/css3-designs/css3-under-the-sea-in-css3/index.html
disallow: /wp-content/uploads/uploader/images/css3-designs/css3-90s/index.html
disallow: /wp-content/uploads/uploader/images/css3-designs/css3-magazine/index.html
disallow: /wp-content/uploads/uploader/images/css3-designs/css3-lightsaber/index.html
disallow: /wp-content/uploads/uploader/images/css3-designs/css3-smashing-magazine-logo/index.html
disallow: /wp-content/uploads/uploader/images/css3-designs/css3-expert-cook/index.html
disallow: /wp-content/uploads/uploader/images/css3-designs/css3-pseudo-3d-radial-buttons/index.html
disallow: /wp-content/uploads/uploader/images/css3-designs/css3-moving-stick-figure/index.html
disallow: /wp-content/uploads/uploader/images/css3-designs/css3-image-less-warp-shadows/index.html
disallow: /wp-content/uploads/uploader/images/css3-designs/css3-rabbit/index.html
disallow: /wp-content/uploads/uploader/images/css3-designs/css3-the-future-is-here/index.html
disallow: /wp-content/uploads/uploader/images/css3-designs/css3-rainbow-template/index.html
disallow: /wp-content/uploads/uploader/images/css3-designs/css3-totally-fresh/index.html
disallow: /wp-content/uploads/uploader/images/css3-designs/css3-nav-trick/index.html
disallow: /wp-content/uploads/uploader/images/css3-designs/css3-cant-skate-dont-care/index.html
disallow: /wp-content/uploads/uploader/images/css3-designs/css3-3d-tribute/index.html
disallow: /wp-content/uploads/uploader/images/css3-designs/css3-loading-bar/index.html
disallow: /wp-content/uploads/uploader/images/css3-designs/css3-personal-portfolio/index.html
disallow: /wp-content/uploads/uploader/images/css3-designs/css3-taped-off-coming-soon/index.html
disallow: /wp-content/uploads/uploader/images/css3-designs/css3-smashing-css3-effects/index.html
disallow: /wp-content/uploads/uploader/images/css3-designs/css3-this-menu-item/index.html
disallow: /wp-content/uploads/uploader/images/css3-designs/css3-call-of-duty-style/index.html
disallow: /wp-content/uploads/uploader/images/css3-designs/css3-image-less-3d-menu/index.html
disallow: /wp-content/uploads/uploader/images/css3-designs/css3-dreamer-blog/index.html
disallow: /wp-content/uploads/uploader/images/css3-designs/css3-alien-menu/index.html
disallow: /wp-content/uploads/uploader/images/css3-designs/css3-osx-like-dock/index.html
disallow: /wp-content/uploads/uploader/images/css3-designs/css3-automato/index.html
disallow: //provide.smashingmagazine.com/smashingmag-3d/example1.html
disallow: //provide.smashingmagazine.com/smashingmag-3d/example2.html
disallow: //provide.smashingmagazine.com/smashingmag-3d/example3.html
disallow: //provide.smashingmagazine.com/smashingmag-3d/example4.html
disallow: //provide.smashingmagazine.com/smashingmag-3d/example5.html
disallow: /wp-content/uploads/2012/07/final.html
disallow: /wp-content/uploads/demos/demo-1/step-4.html
disallow: /wp-content/uploads/demos/demo-1/step-1.html
disallow: /wp-content/uploads/demos/demo-1/step-2.html
disallow: /wp-content/uploads/demos/demo-1/step-3.html
disallow: /wp-content/uploads/demos/demo-2/step-3.html
disallow: /wp-content/uploads/demos/demo-2/step-1.html
disallow: /wp-content/uploads/demos/demo-2/step-2.html
disallow: /wp-content/uploads/demos/demo-3/step-5.html
disallow: /wp-content/uploads/demos/demo-3/step-1.html
disallow: /wp-content/uploads/demos/demo-3/step-2.html
disallow: /wp-content/uploads/demos/demo-3/step-3.html
disallow: /wp-content/uploads/demos/demo-3/step-4.html
disallow: /wp-content/uploads/2010/06/cross-browser-testing-table.html
disallow: //provide.smashingmagazine.com/introduction-to-js-unit-testing-code/1-mangled.html
disallow: //provide.smashingmagazine.com/introduction-to-js-unit-testing-code/2-getting-somewhere.html
disallow: //provide.smashingmagazine.com/introduction-to-js-unit-testing-code/3-first-test.html
disallow: //provide.smashingmagazine.com/introduction-to-js-unit-testing-code/4-qunit-test.html
disallow: //provide.smashingmagazine.com/introduction-to-js-unit-testing-code/5-qunit-test-refactored.html
disallow: //provide.smashingmagazine.com/introduction-to-js-unit-testing-code/6-qunit-dom.html
disallow: //provide.smashingmagazine.com/introduction-to-js-unit-testing-code/7-qunit-dom-refactored.html
disallow: //provide.smashingmagazine.com/introduction-to-js-unit-testing-code/8-endstate.html
disallow: /wp-content/uploads/images/png-optimization-guide/tips/index.html
disallow: /wp-content/uploads/images/type-layouts/t20/index.html
disallow: /wp-content/uploads/images/type-layouts/extreme-georgia/index.html
disallow: /wp-content/uploads/images/type-layouts/experimental/index.html
disallow: /wp-content/uploads/images/type-layouts/o-no-typography/index.html
disallow: /wp-content/uploads/images/type-layouts/typographic-times/index.html
disallow: /wp-content/uploads/images/type-layouts/geotypisch-template/index.html
disallow: /wp-content/uploads/images/type-layouts/megan/index.html
disallow: /wp-content/uploads/images/type-layouts/maintenance/index.html
disallow: /wp-content/uploads/images/type-layouts/the-art-of-type/index.html
disallow: /wp-co
sitemap.xml 200 OK
Type URL Set URLs 7792 entries Valid XML Yes
Sample URLs:
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: www)
Info::
HTTP correctly 301-redirects to HTTPS

www / non-www

200https://www.smashingmagazine.com/
301https://smashingmagazine.com/

Preferred variant: www

HTTP → HTTPS

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

Consistent

A+
Domain Intelligence
smashingmagazine.com — via eNom, LLC, 19 years, 10 months old
PASS
smashingmagazine.com — via eNom, LLC, 19 years, 10 months old
Info::
Domain registered until Aug 25, 2026 (4 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: eNom, LLC
Domain expiry

8 days

August 25, 2026

SSL certificate

53 days

Issued by Let's Encrypt

Domain age

19 years, 10 months

Registered August 25, 2006

DNSSEC

Not enabled

Protects against DNS spoofing

Hosting

Unknown

2600:1f18:16e:df01::1f5

Registrar

eNom, LLC

Lock status unknown 4 NS records
Expiry timeline
Today
+1 year
Domain expiry SSL expiry Danger zone (≤30 days)
Recommended actions
  • Renew the domain or enable auto-renewal to prevent accidental expiry
  • Enable DNSSEC to protect visitors from DNS spoofing
Registrar eNom, LLC
Created August 25, 2006 (19 years, 10 months ago)
Expires August 25, 2026 (4 months)
Last Updated July 31, 2025
Name Servers dns1.p06.nsone.net, dns2.p06.nsone.net, dns3.p06.nsone.net, dns4.p06.nsone.net
DNSSEC Not enabled
Hosting
IP Address 2600:1f18:16e:df01::1f5
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

A+
HTTP Probe Timing
Total 52 ms — DNS, TCP, TLS, TTFB, content transfer breakdown
PASS
DNS Lookup DNS Lookup — time to resolve the domain name to an IP address.
10 ms
TCP Connect TCP Connect — time to establish a TCP connection to the server.
1 ms
TLS Handshake TLS Handshake — time to complete the HTTPS encryption handshake.
16 ms
Time to First Byte Time to First Byte — how long the server takes to respond with the first byte of data.
38 ms
Total Time Total request time from DNS lookup through full response.
52 ms

Connection waterfall

DNS Lookup 10 ms TCP Connect 1 ms TLS Handshake 16 ms Server Processing 10 ms Content Transfer 14 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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