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Infrastructure

· 9 checks — DNS, redirects, IPv6, crawlability, URL variants, and domain intelligence rolled into one auditable list.
SCORE
84
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.

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
Crawlability
robots.txt present, no sitemap
REVIEW
robots.txt present, no sitemap
Info::
robots.txt is present
Got: 5888 bytes
Info::
No sitemap.xml found
A sitemap helps search engines discover and index your pages more efficiently.
Info::
robots.txt does not reference a sitemap
Add a 'Sitemap:' directive to robots.txt so search engines can discover your sitemap.

A sitemap helps search engines discover and index your pages more efficiently.

Why this matters

No sitemap.xml — Google relies on crawl-graph discovery alone, slowing indexing of deep or fresh URLs.

Learn more ▾

A sitemap accelerates Google's discovery of new and updated content. Most CMSes auto-generate one; static-site frameworks need a build-step plugin. Reference it from robots.txt and submit in Search Console to confirm Google can fetch it.

Source: sitemaps.org / Google Search Central

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 5888 B Sitemaps referenced 0 User-agents Scrapy, Gemini-Deep-Research, Sidetrade indexer bot, Copilot, meta-externalfetcher, wpbot, imgproxy, Thinkbot, GPTBot, GoogleAgent-Shopping, Bytespider, Claude-User, CopilotNative, ChatGPT-User, Google-Extended, GoogleAgent-Mariner, Google-NotebookLM, Ai2Bot-Dolma, Google-CloudVertexBot, iaskspider, FriendlyCrawler, *, PetalBot, Brightbot, SemrushBot-SWA, CCBot, ClaudeBot, omgili, Diffbot, VelenPublicWebCrawler, YouBot, CopilotSapphire, Timpibot, EtaoSpider, Perplexity-User, ISSCyberRiskCrawler, OAI-SearchBot, meta-externalagent, Devin, PanguBot, MistralAI-User, DuckAssistBot, cohere-ai, img2dataset, PerplexityBot, AI2Bot, aiHitBot, Claude-SearchBot Blocking No — crawling allowed
User-agent: *
Disallow: /exec/obidos/account-access-login
Disallow: /exec/obidos/change-style
Disallow: /exec/obidos/flex-sign-in
Disallow: /exec/obidos/handle-buy-box
Disallow: /exec/obidos/tg/cm/member/
Disallow: /gp/aw/help/id=sss
Disallow: /gp/cart
Disallow: /gp/flex
Disallow: /gp/product/e-mail-friend
Disallow: /gp/product/product-availability
Disallow: /gp/product/rate-this-item
Disallow: /gp/sign-in
Disallow: /gp/reader
Disallow: /gp/sitbv3/reader
Disallow: /gp/richpub/syltguides/create
Disallow: /gp/gfix
Disallow: /gp/associations/wizard.html
Disallow: /gp/dmusic/order
Disallow: /gp/legacy-handle-buy-box.html
Disallow: /gp/aws/ssop
Disallow: /gp/yourstore
Disallow: /gp/gift-central/organizer/add-wishlist
Disallow: /gp/vote
Disallow: /gp/voting/
Disallow: /gp/music/wma-pop-up
Disallow: /gp/customer-images
Disallow: /gp/richpub/listmania/createpipeline
Disallow: /gp/content-form
Disallow: /gp/pdp/invitation/invite
Disallow: /gp/customer-reviews/common/du
Disallow: /gp/customer-reviews/write-a-review.html
Disallow: /gp/associations/wizard.html
Disallow: /gp/music/clipserve
Disallow: /gp/customer-media/upload
Disallow: /gp/history
Disallow: /gp/item-dispatch
Disallow: /gp/dmusic/order/handle-buy-box.html
Disallow: /gp/recsradio
Disallow: /gp/slredirect
Disallow: /dp/shipping/
Disallow: /dp/twister-update/
Disallow: /dp/manual-submit/
Disallow: /dp/e-mail-friend/
Disallow: /dp/product-availability/
Disallow: /dp/rate-this-item/
Disallow: /gp/registry/wishlist/*/reserve
Disallow: /gp/structured-ratings/actions/get-experience.html
Disallow: /gp/twitter/
Disallow: /ap/signin
Disallow: /gp/registry/wishlist/
Disallow: /wishlist/
Allow: /wishlist/universal*
Allow: /wishlist/vendor-button*
Allow: /wishlist/get-button*
Disallow: /gp/wishlist/
Allow: /gp/wishlist/universal*
Allow: /gp/wishlist/vendor-button*
Allow: /gp/wishlist/ipad-install*
Disallow: /registry/wishlist/
Disallow: /review/common/du
Disallow: /gp/registry/search.html
Disallow: /product-reviews/B0069IY63Y
Disallow: /gp/orc/rml/
Disallow: */gcrnsts
Disallow: /gp/gc/widget
Disallow: /gp/dmusic/mp3/player
Disallow: /gp/entity-alert/external
Disallow: /gp/customer-reviews/dynamic/sims-box
Disallow: /review/dynamic/sims-box
Disallow: /gp/redirect.html
Disallow: /gp/twister/ajaxv2
Disallow: /ss/twister/ajax
Disallow: /b?*node=7454917011
Disallow: /b?*node=7454927011
Disallow: /b?*node=7454939011
Disallow: /b?*node=7454898011
Disallow: /gp/customer-media/actions/delete/
Disallow: /gp/customer-media/actions/edit-caption/
Disallow: /gp/dmusic/
Allow: /gp/dmusic/promotions/PrimeMusic
Allow: /gp/dmusic/promotions/AmazonMusicUnlimited
Disallow: /gp/offer-listing/
Disallow: /b?*node=9052533011
Disallow: /lm/R1XIHQVKXSKBNJ
Disallow: /lm/R3HQ5WJSZK6QSO
Disallow: /surprise/
Disallow: /local/ajax/
Disallow: /gp/socialmedia/giveaways
Disallow: /gp/b2b-rd
Disallow: /gp/aw/so.html
Disallow: /reviews/iframe
Disallow: /gp/switch-language
Disallow: /ga/p/
Disallow: /gp/profile/
Disallow: /giveaway/host/setup/
Disallow: /ss/customer-reviews/lighthouse/
Disallow: /ospublishing/story/*
Disallow: /gp/aw/ol/
Disallow: /gp/promotion/
Disallow: /hz/leaderboard/top-reviewers/
Disallow: /creatorhub
Disallow: /creatorhub/*
Disallow: /slp/s$
Disallow: /-/
Allow: /-/es/
Allow: /-/en$
Allow: /-/zh_TW/
Allow: /-/zh_TW$
Allow: /-/he/
Allow: /-/he$
Disallow: /hz/help/contact/*/message/$
Disallow: /gp/aw/shoppingAids/
Disallow: /rss/people/*/reviews
Disallow: /gp/pdp/rss/*/reviews
Disallow: /gp/cdp/member-reviews/
Disallow: /gp/aw/cr/
Allow: /gp/offer-listing/B000
Allow: /gp/offer-listing/9000
Disallow: /gp/aag
Allow: /gp/aag/main?*seller=ABVFEJU8LS620
Disallow: /gp/pdp/profile/
Disallow: /gp/help/customer/express/c2c/
Disallow: /slp/*/b$
Disallow: /hz/contact-us/ajax/initiate-trusted-contact/
Disallow: /hp/video/
Disallow: /gp/video/api
Disallow: /gp/video/settings
Disallow: /gp/video/library
Disallow: /gp/video/watchlist
Disallow: /gp/video/mystuff
Disallow: /gp/video/profiles
Disallow: /gp/video/search
Disallow: /gp/video/auth
Disallow: /gp/video/salp/i
Disallow: /icdp/

User-agent: EtaoSpider
Disallow: /

User-agent: GPTBot
Disallow: /


User-agent: CCBot
Disallow: /

User-Agent: PerplexityBot
Disallow: /

User-agent: Google-Extended
Disallow: /

User-agent: GoogleAgent-Mariner
Disallow: /

User-agent: GoogleAgent-Shopping
Disallow: /

User-agent: ClaudeBot
Disallow: /

User-agent: meta-externalagent
Disallow: /

User-agent: Bytespider
Disallow: /

User-agent: Scrapy
Disallow: /

User-agent: PetalBot
Disallow: /

User-agent: Devin
Disallow: /

User-agent: omgili
Disallow: /

User-agent: AI2Bot
Disallow: /

User-agent: Gemini-Deep-Research
Disallow: /

User-agent: PanguBot
Disallow: /

User-agent: MistralAI-User
Disallow: /

User-agent: Diffbot
Disallow: /

User-agent: Sidetrade indexer bot
Disallow: /

User-agent: Google-NotebookLM
Disallow: /

User-agent: DuckAssistBot
Disallow: /

User-agent: Copilot
Disallow: /

User-agent: Ai2Bot-Dolma
Disallow: /

User-agent: Google-CloudVertexBot
Disallow: /

User-agent: meta-externalfetcher
Disallow: /

User-agent: iaskspider
Disallow: /

User-agent: wpbot
Disallow: /

User-agent: aiHitBot
Disallow: /

User-agent: cohere-ai
Disallow: /

User-agent: FriendlyCrawler
Disallow: /

User-agent: img2dataset
Disallow: /

User-agent: VelenPublicWebCrawler
Disallow: /

User-agent: YouBot
Disallow: /

User-agent: Brightbot
Disallow: /

User-agent: Claude-User
Disallow: /

User-agent: ClaudeBot
Disallow: /

User-agent: Claude-SearchBot
Disallow: /

User-agent: Perplexity-User
Disallow: /

User-agent: ISSCyberRiskCrawler
Disallow: /

User-agent: CopilotNative
Disallow: /

User-agent: CopilotSapphire
Disallow: /

User-agent: imgproxy
Disallow: /

User-agent: SemrushBot-SWA
Disallow: /

User-agent: ChatGPT-User
Disallow: /

User-agent: OAI-SearchBot
Disallow: /

User-agent: Timpibot
Disallow: /

User-agent: Thinkbot
Disallow: /
sitemap.xml No sitemap found

No sitemap found

Adding a sitemap helps search engines discover your pages.

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.amazon.com/
200https://amazon.com/

Inconsistent — duplicate content risk

HTTP → HTTPS

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

Consistent

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

Certificate validity

282
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
A+
DNS Records
3 A records, 41 ms lookup
PASS
3 A records, 41 ms lookup
Info::
Resolves to 3 IPv4 address(es)
Got: 98.82.161.185, 98.87.170.71, 98.87.170.74
Info::
No IPv6 (AAAA) records
Info::
8 nameserver(s) configured
Got: ns2.amzndns.com, ns1.amzndns.com, ns1.amzndns.org, ns2.amzndns.org, ns2.amzndns.net, ns1.amzndns.net, ns1.amzndns.co.uk, ns2.amzndns.co.uk
Info::
1 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: 41 ms
Got: 41 ms
A98.82.161.185, 98.87.170.71, 98.87.170.74
AAAA—
CNAME—
NSns2.amzndns.com, ns1.amzndns.com, ns1.amzndns.org, ns2.amzndns.org, ns2.amzndns.net, ns1.amzndns.net, ns1.amzndns.co.uk, ns2.amzndns.co.uk
MX
5 amazon-smtp.amazon.com
TXT
wrike-verification=MzI3NzM2ODo2NDk5MjE4NjQ2MWJmOTEwMGMxM2MzNzJmNWJlY2U5ZDU4MmVlN...
autodesk-domain-verification=dmryiygGOGBJFJFVo5Bl
stripe-verification=B0AD8DC1918B8A717E5B6A29C2E04594A9872AB05F8DA24CB762BBA0A048...
atlassian-domain-verification=ZT4AapXgobCpXIWoNcd7gtMjZyOUdr4EDFMnFUWrqqqgdaQVbD...
uber-domain-verification=7a35217f-6956-41a0-be5c-a28ea2646964
apple-domain-verification=4wbNaeWvAH0pU1yi
google-site-verification=D0RwRb_QApkpApKTFaFlRwbm_yrkey0uokKw0wQUIdk
sending_domain1003771=f1303d8ee3b86e39db2703b11feb83e1e8b712a9ffc64c3d56505192e5...
uber-domain-verification=72ffdffb-d431-452c-932e-cd1030d1eb46
pstk-verification-a938892542ffacd51af9339e4755dc1a
uber-domain-verification=5f5cc242-4dbe-4871-b726-bbbe085ff053
MS=4B600B22799EB2CAC0D8FF0A3A3CAECA5EE2BF3A
00DcX000002xu6h=1TBcX00000000Xt
vizcom-domain-verification-Otrns5=NtkDXOBddZZnm9ETuwyrltTdl
sending_domain949422=99a7b44052aefc4dec2abf56189160824664d2fdac00ca962f4455be62b...
canva-site-verification=WhUvTbfe6tUQWmIXnQifGA
apple-domain-verification=_j3fIZD8uuYetbG64YKTEpz-8mwyvYrLRqM5CoVZVTk
TS1760027
lucidlink-verification=QG752KJ3CMZAZTZ3ERMX1AXMCG
google-site-verification=G_-mXb0ZYjjGkQVGjpOOB2deSOaVdxVj4i4vozJTREs
stripe-verification=a5c01aa4d732f4b93154d67983d77982ef1a2db73fecfd4bcd64e224d3ab...
liveramp-site-verification=jZJKgMEQ_1mdjMhKj02iqNACZ-NJHRWhCEQdQ_OuCMo
sending_domain1014172=003846595520e80ec84e8cc47c07e3a71afb855fc743bb92cdec93f88c...
sending_domain229492=341509a116ea4311fcb2e489303bf09a139b10ce9b90e5029d2677055cb...
pendo-domain-verification=ecbe1a51-954d-4202-ab86-d15e04b96769
stripe-verification=35A865E5A20C09CD0288F87ACA29DE73FF8A704D21F7310A5AAFF4CB6306...
stripe-verification=6a5d107aa37465eac2101bb1c725b02072689a4fa7bd38b455970baac497...
sending_domain229492=7cde83fbc5246557c64d9d9ba79f0d11f7ba9eb6127f60451a9aa6f8dea...
stripe-verification=a27edc0da55836ea6bb7eac592bf2ca8e246eb652608d54493119df7df00...
stripe-verification=8E217BE0FF12B50596BD78EEA3F81E62C6C7A2AC78FBD46DAD95B7D21BA2...
cisco-ci-domain-verification=1b256bd11daa486ba2fa405d2d5de70f75feb6757dd8993ca8d...
sending_domain197572=555e96ed2e576ced81c89f7001740cb72f9c66aeb136d0d05734aad6257...
google-site-verification=14WGW2MdNMxchG8PlinF7LgqqE0OwwHqOq0HKhb7rDQ
apple-domain-verification=dVkKZnu17XS0EN2X
google-site-verification=NV91qEfNgqDZOPzwlhXE-KtDUfCBSNgAsdxaFebyh80
facebook-domain-verification=d9u57u52gylohx845ogo1axzpywpmq
brevo-code:9be7f7c39958d253a31de6593fa831bc
dell-technologies-domain-verification=amazon.com_2dc4b285-482d-4948-bf92-16e698f...
SPF v=spf1 include:spf1.amazon.com include:spf2.amazon.com include:amazonses.com -al...
stripe-verification=26EFABF97D624D7F4F3C062366A04C4B1399841F23F275DD81E58D00A981...
stripe-verification=45f746e3b195198f419af3f685fdf217532ce552b4b47070b3caefe32555...
pardot326621=b26a7b44d7c73d119ef9dfd1a24d93c77d583ac50ba4ecedd899a9134734403b
stripe-verification=C7ABA7B41F5AC26E3C397015A34CD46ACD2130DC8DAAFA7F59AAEFEDBC3F...
canva-site-verification=Hksh9WEUPWP13_SEU1mPMA
uber-domain-verification=0ddb4c64-175c-4e7a-8a7a-f552034222e8
spf2.0/pra include:spf1.amazon.com include:spf2.amazon.com include:amazonses.com...
ZOOM_verify_ARI4AiKALCcjulAUZNwR8S
box-domain-verification=ffea95cd0e0d61c302198367155b07e74fd534fa1d867662dc9bf996...
docker-verification=1779f74e-699a-4d8b-acdc-ce242d73559f
uber-domain-verification=01e9f567-7b84-45dd-9326-53992a028b40
stripe-verification=76924B623B7105057C67D4F5EAE19F65EE8BD92635581BCACA2CCACA4D38...
sending_domain1003771=199bc63a54ace5d8d5c5d08286af86d7049b4afacb5ef7decd6b22cf9e...
sending_domain949422=43d714838567583460e7720e6049505edb8e25c1ef4321419d41bc5255d...
sending_domain608861=d33a88e8540c33a1217138cf8a25879734bd35673bb7cfbd639f95c550b...
ZOOM_verify_6OUC1znUonKMCoyMMGyFfX
neat-pulse-domain-verification-QgvLWLN=f37f2998-0bb3-493b-a3aa-c4ff8f3dce08
stripe-verification=1D421397AAEC571CCBD9F25DDC90F00EDEBC3E74F4047270EC9A13B78457...
sending_domain608861=81b0d52095dae60d604e7cbea5e58e1d842f7d950d6673a43feae339b66...
stripe-verification=79C640ED20153B836A623F16A3DCF65E2072948FB80C42D19300514DADF9...
stripe-verification=65883709F0B36AB2B73FFC870338AE9F817315DDBB1CAB28910F074F4A8D...
CAALookup not available with standard resolver
Resolved in 41 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.

A
Redirect Chain
1 redirect(s), 539 ms total
PASS
1 redirect(s), 539 ms total
Info::
Single redirect
Got: https://amazon.com → https://www.amazon.com/ (301)
Info::
WWW normalization redirect
Info::
Redirect overhead: 539 ms total
Got: 539 ms

https://amazon.com

300 ms · HTTP/1.1

301

https://www.amazon.com/

239 ms · HTTP/1.1 FINAL

#URLStatusTimeProtocolServer
1https://amazon.com301300 msHTTP/1.1Server
2https://www.amazon.com/200239 msHTTP/1.1Server

See the visual redirect chain in the HTTP Probe tab →

A+
Domain Intelligence
amazon.com — via MarkMonitor Inc., 31 years, 10 months old, hosted on AWS
PASS
amazon.com — via MarkMonitor Inc., 31 years, 10 months old, hosted on AWS
Info::
Domain registered until Oct 31, 2026 (6 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: MarkMonitor 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.
Info::
Hosting: AWS
Got: AS14618
Domain expiry

111 days

October 31, 2026

SSL certificate

282 days

Issued by DigiCert Inc

Domain age

31 years, 10 months

Registered November 1, 1994

DNSSEC

Not enabled

Protects against DNS spoofing

Hosting

AWS

ASN AS14618

98.87.170.71

Registrar

MarkMonitor Inc.

Unlocked 8 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 MarkMonitor Inc.
Created November 1, 1994 (31 years, 10 months ago)
Expires October 31, 2026 (6 months)
Last Updated July 31, 2025
Name Servers ns1.amzndns.co.uk, ns1.amzndns.com, ns1.amzndns.net, ns1.amzndns.org, ns2.amzndns.co.uk, ns2.amzndns.com, ns2.amzndns.net, ns2.amzndns.org
DNSSEC Not enabled
Hosting
IP Address 98.87.170.71
ASN AS14618 (AMAZON-AES - Amazon.com, Inc., US)
Provider AWS
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 319 ms — DNS, TCP, TLS, TTFB, content transfer breakdown
PASS
DNS Lookup DNS Lookup — time to resolve the domain name to an IP address.
22 ms
TCP Connect TCP Connect — time to establish a TCP connection to the server.
98 ms
TLS Handshake TLS Handshake — time to complete the HTTPS encryption handshake.
102 ms
Time to First Byte Time to First Byte — how long the server takes to respond with the first byte of data.
320 ms
Total Time Total request time from DNS lookup through full response.
320 ms

Connection waterfall

DNS Lookup 22 ms TCP Connect 98 ms TLS Handshake 102 ms Server Processing 98 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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