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https://smashwords.com

Infrastructure

· 9 checks — DNS, redirects, IPv6, crawlability, URL variants, and domain intelligence rolled into one auditable list.
SCORE
83
GRADE
B
FIX
1
REVIEW
4
PASS
4
INFO
0
Probed from Madrid, Spain
301 Moved Permanently
Checks
9
4 PASS 4 REVIEW 1 FIX
D
CDN & Delivery
Action
No CDN detected
FIX
No CDN detected
Warning::
No CDN detected
A CDN can significantly improve load times for users around the world by caching content at edge nodes closer to them.
No CDN detected

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

B
Redirect Chain
1 redirect(s), 1118 ms total
REVIEW
1 redirect(s), 1118 ms total
Info::
Single redirect
Got: https://smashwords.com → https://www.smashwords.com/ (301)
Info::
WWW normalization redirect
Warning::
Redirect overhead: 1118 ms total
Got: 1118 ms

https://smashwords.com

472 ms · HTTP/1.1

301

https://www.smashwords.com/

646 ms · HTTP/1.1 FINAL

#URLStatusTimeProtocolServer
1https://smashwords.com301472 msHTTP/1.1nginx
2https://www.smashwords.com/200646 msHTTP/1.1nginx

See the visual redirect chain in the HTTP Probe tab →

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
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.smashwords.com/
200https://smashwords.com/

Inconsistent — duplicate content risk

HTTP → HTTPS

301http://smashwords.com/ → https://smashwords.com/

Consistent

B
TLS Certificate Expiry & Recommendations
189 days until leaf cert expires — 5 issues to address
REVIEW

Certificate validity

189
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
  • Add includeSubDomains to the HSTS directive
  • Add the preload directive and submit to hstspreload.org once max-age + includeSubDomains are in place
  • 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 Records
1 A records, 56 ms lookup
PASS
1 A records, 56 ms lookup
Info::
Resolves to 1 IPv4 address(es)
Got: 23.253.20.116
Info::
Single A record — no DNS redundancy
Multiple A records provide failover if one server goes down.
Info::
No IPv6 (AAAA) records
Info::
4 nameserver(s) configured
Got: ns-73.awsdns-09.com, ns-672.awsdns-20.net, ns-1258.awsdns-29.org, ns-1958.awsdns-52.co.uk
Info::
7 mail exchanger(s) configured
Info::
CAA records not checked
CAA record lookup requires a specialized DNS resolver. This check will be available in a future update.
Info::
SPF record present in TXT
Info::
DNS resolution time: 56 ms
Got: 56 ms
A23.253.20.116
AAAA—
CNAME—
NSns-73.awsdns-09.com, ns-672.awsdns-20.net, ns-1258.awsdns-29.org, ns-1958.awsdns-52.co.uk
MX
1 aspmx.l.google.com
5 alt1.aspmx.l.google.com
5 alt2.aspmx.l.google.com
10 aspmx3.googlemail.com
10 aspmx4.googlemail.com
10 aspmx5.googlemail.com
10 aspmx2.googlemail.com
TXT
tinfoil-site-verification: 69371a745d4de93947d01f46263a3cc4d9aad6ef=fd2fb04779b7...
google-site-verification=Cchf9_HnHTkJJcpzqO9xZS_SI2oOVFQEDYlcN2ZGAaA
SPF v=spf1 include:mailgun.org include:_spf.google.com -all
CAALookup not available with standard resolver
Resolved in 56 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

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.

A+
Crawlability
robots.txt present, sitemap with 24 URLs
PASS
robots.txt present, sitemap with 24 URLs
Info::
robots.txt is present
Got: 1728 bytes
Info::
sitemap.xml is present
Info::
sitemap.xml is valid XML
Info::
sitemap.xml contains 24 entries
Info::
Sitemap index with 24 child sitemaps
Info::
robots.txt references sitemap
robots.txt 200 OK
Size 1728 B Sitemaps referenced 1 User-agents Mediapartners-Google, petalbot, CCBot, GPTBot, Scrapy, anthropic-ai, ChatGPT-User, GoogleOther-Image, GoogleOther-Video, ICC-Crawler, Timpibot, omgilibot, Googlebot, Google-Extended, cohere-ai, DuckDuckBot, Claude-Web, ClaudeBot, YouBot, img2dataset, omgili, Baiduspider, Slurp, Amazonbot, FriendlyCrawler, PerplexityBot, VelenPublicWebCrawler, Meta-ExternalAgent, bingbot, Yandex, Applebot-Extended, ImagesiftBot, OAI-SearchBot, PetalBot, Webzio-Extended, Bytespider, *, TurnitinBot, Applebot, Diffbot, GoogleOther, Meta-ExternalFetcher Blocking No — crawling allowed
Sitemap: http://smashwords.com/sitemap/sitemap-index.xml

User-agent: Baiduspider
Disallow: /books/search?
Disallow: /books/download/

User-agent: bingbot
Disallow: /books/search?
Disallow: /books/download/
Disallow: /books/tags/
Disallow: /extreader/
Crawl-delay: 4

User-agent: DuckDuckBot
Disallow: /books/search?
Disallow: /books/download/

User-agent: Googlebot
Disallow: /books/search?
Disallow: /books/download/

User-agent: Mediapartners-Google
Disallow: /books/search?
Disallow: /books/download/

User-agent: petalbot
Disallow: /

User-agent: Slurp
Disallow: /books/search?
Disallow: /books/download/

User-agent: Yandex
Disallow: /books/search?
Disallow: /books/download/

User-agent: TurnitinBot
Disallow: /

# list pulled from https://github.com/ai-robots-txt/ai.robots.txt/blob/main/robots.txt
User-agent: Amazonbot
User-agent: Applebot
User-agent: Applebot-Extended
User-agent: Bytespider
User-agent: CCBot
User-agent: ChatGPT-User
User-agent: Claude-Web
User-agent: ClaudeBot
User-agent: Diffbot
User-agent: FriendlyCrawler
User-agent: GPTBot
User-agent: Google-Extended
User-agent: GoogleOther
User-agent: GoogleOther-Image
User-agent: GoogleOther-Video
User-agent: ICC-Crawler
User-agent: ImagesiftBot
User-agent: Meta-ExternalAgent
User-agent: Meta-ExternalFetcher
User-agent: OAI-SearchBot
User-agent: PerplexityBot
User-agent: PetalBot
User-agent: Scrapy
User-agent: Timpibot
User-agent: VelenPublicWebCrawler
User-agent: Webzio-Extended
User-agent: YouBot
User-agent: anthropic-ai
User-agent: cohere-ai
User-agent: img2dataset
User-agent: omgili
User-agent: omgilibot
Disallow: /

User-agent: *
Disallow: /books/search?
Disallow: /books/download/
Disallow: /books/tags/
Disallow: /extreader/
Crawl-delay: 4
sitemap.xml 200 OK
Type Sitemap Index URLs 24 entries Valid XML Yes
Child Sitemaps:
A+
Domain Intelligence
smashwords.com — via GoDaddy.com, LLC, 21 years old, hosted on Rackspace
PASS
smashwords.com — via GoDaddy.com, LLC, 21 years old, hosted on Rackspace
Info::
Domain registered until Aug 5, 2026 (3 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: GoDaddy.com, LLC
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.
Info::
Hosting: Rackspace
Got: AS19994
Domain expiry

51 days

August 5, 2026

SSL certificate

189 days

Issued by Sectigo Limited

Domain age

21 years

Registered August 5, 2005

DNSSEC

Not enabled

Protects against DNS spoofing

Hosting

Rackspace

ASN AS19994

23.253.20.116

Registrar

GoDaddy.com, LLC

Unlocked 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
  • Enable registrar lock (clientTransferProhibited) to block unauthorized domain transfers
Registrar GoDaddy.com, LLC
Created August 5, 2005 (21 years ago)
Expires August 5, 2026 (3 months)
Last Updated August 6, 2025
Name Servers ns-1258.awsdns-29.org, ns-1958.awsdns-52.co.uk, ns-672.awsdns-20.net, ns-73.awsdns-09.com
DNSSEC Not enabled
Hosting
IP Address 23.253.20.116
ASN AS19994 (RACKSPACE - Rackspace Hosting, US)
Provider Rackspace
Data source: rdap (0.3s)

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 525 ms — DNS, TCP, TLS, TTFB, content transfer breakdown
PASS
DNS Lookup DNS Lookup — time to resolve the domain name to an IP address.
53 ms
TCP Connect TCP Connect — time to establish a TCP connection to the server.
117 ms
TLS Handshake TLS Handshake — time to complete the HTTPS encryption handshake.
237 ms
Time to First Byte Time to First Byte — how long the server takes to respond with the first byte of data.
526 ms
Total Time Total request time from DNS lookup through full response.
526 ms

Connection waterfall

DNS Lookup 53 ms TCP Connect 117 ms TLS Handshake 237 ms Server Processing 118 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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