Skip to content
https://www.amplitude.com

Infrastructure

· 9 checks — DNS, redirects, IPv6, crawlability, URL variants, and domain intelligence rolled into one auditable list.
SCORE
87
GRADE
B
FIX
0
REVIEW
4
PASS
5
INFO
0
Probed from Madrid, Spain
200 OK
Checks
9
5 PASS 4 REVIEW
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.amplitude.com/
200https://amplitude.com/

Inconsistent — duplicate content risk

HTTP → HTTPS

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

Consistent

B
HTTP Probe Timing
Total 815 ms — DNS, TCP, TLS, TTFB, content transfer breakdown
REVIEW
DNS Lookup DNS Lookup — time to resolve the domain name to an IP address.
64 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.
479 ms
Time to First Byte Time to First Byte — how long the server takes to respond with the first byte of data.
811 ms
Total Time Total request time from DNS lookup through full response.
816 ms

Connection waterfall

DNS Lookup 64 ms TCP Connect 1 ms TLS Handshake 479 ms Server Processing 267 ms Content Transfer 5 ms
B
TLS Certificate Expiry & Recommendations
267 days until leaf cert expires — 5 issues to address
REVIEW

Certificate validity

267
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
2 A records, 103 ms lookup
PASS
2 A records, 103 ms lookup
Info::
Resolves to 2 IPv4 address(es)
Got: 13.248.219.127, 76.223.69.48
Info::
No IPv6 (AAAA) records
Warning::
CNAME record at zone apex
A CNAME at the zone apex can break MX and NS records. Use ALIAS/ANAME or A records instead.
Got: amplitude.com
Info::
4 nameserver(s) configured
Got: ns-579.awsdns-08.net, ns-1262.awsdns-29.org, ns-260.awsdns-32.com, ns-1942.awsdns-50.co.uk
Info::
5 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: 103 ms
Got: 103 ms
A13.248.219.127, 76.223.69.48
AAAA—
CNAMEamplitude.com
NSns-579.awsdns-08.net, ns-1262.awsdns-29.org, ns-260.awsdns-32.com, ns-1942.awsdns-50.co.uk
MX
1 aspmx.l.google.com
5 alt2.aspmx.l.google.com
5 alt1.aspmx.l.google.com
10 aspmx2.googlemail.com
10 aspmx3.googlemail.com
TXT
canva-site-verification=xWH39TNIIfwwRxL8s2TcvQ
google-site-verification=N60sstGie9jnCQqr5PUZw7cWpUTggmM4Fuveih7dS2g
atlassian-domain-verification=t449HTbEFJ6cig9xRqaeCy4WXYQWjoIGeg/DLWl8G308boa5Db...
apple-domain-verification=csMy6RR7QIjftLlf
miro-verification=93074e8e9166f962d18902efe961e4b1bc4e3234
docusign=17efa275-26e8-4bf5-be57-894111e00bce
atlassian-sending-domain-verification=ce00b671-dc0a-433a-bfb7-2358cf3821a8
hubspot-developer-verification=NDM5ODg2MGItZTQwNy00MDJjLWFhMTktZWMyODhhYjc1NmZi
google-site-verification=lBGlKiSVmjZPPLkprHztShC-hquWEuRmXqOzwnUPIS4
reachdesk-verification=YFGnB17NeDVHYp9gESLVqpOQoEVaaCKmM8Ryqpq2SxmahSrZsY3tgrrnk...
SPF v=spf1 include:_spf.google.com ip4:205.201.128.0/20 ip4:198.2.128.0/18 ip4:148.1...
brevo-code:2f0c4fd9880f9665542e181744f1d9fa
1password-site-verification=EJWIVHGTDFG7DFTTYJL4LR5FLY
ps-cd-verification=15285629-d436-432e-87ca-7e8a850a71d3
MS=ms32056553
openai-domain-verification=dv-SM9Mstx4xknAgtNhzdzjPX38
notion-domain-verification=sMTDrB7KkRlRygoteRG6jE7xiZITKdLXL5lhRk8ZT4F
google-site-verification=gqPzq2Hsmcae9L3nQxFSRa47pXenhOP30el1-OdfI4s
google-site-verification=ou3vCVjSCTacNlZ45HWmWC9Bgh3LrhibNjfvdN6NQno
_fimewmbhqiw0326uox8jlpdv0ijab64
gn8g8wj3rxyhhyv4582pj68cs9nkt6zp
epoch-domain-verification-xh26fy=luIeDFoDpcOzLQkefqm8go14E
notion_verify_YR#is].+RNfLBfV)6ceu]TL?++3>Q6)F^BeVaw+tTADe#Qu@55#yu=Kj^Q8#cGDnmN...
-YmejhUkwDLXXeWYbehQAxrf
google-site-verification=KLRkSFXuyWSnycd2CicMYEpYeIj_SXHW6IPRtGPQ648
anthropic-domain-verification-f3zxsq=LPY17h2p8t4lxXbc7smBKywZI
hubspot-developer-verification=Zjc4NjI5M2ItMWUxMy00MzBmLTkwNjItNmZkMWMxYTcwMDM3
google-site-verification=v8pWhH0M0cY7_gnvUgDWc2hOwqyhaUcXwANwHF6yU8w
google-site-verification=WgtoYZ5Pimcr7SESFr_1xYW2awtx_DtiHKhjUd0WLm4
h1-domain-verification=BnRNcurBY8Ep78My4FHBXmLzhhSJWMWYwkPfHrXDNtA4RrkP
v=MCPv1; k=ed25519; p=3zRkqhZH6mDF42JW4AFYFkf0tlDSM2+y2tOcdlSvkIs=
dropbox-domain-verification=piklqj1g2z36
google-site-verification=gEGpnxSMW8ironroRwAYm5F0a-ff8zL-j2y2q9tQKL4
hubspot-uv4NW994s5Am
google-site-verification=tfC-Q8StbguRHx4bvf6nGl0oO0f1pwtlNZiqPGriCN0
stripe-verification=e2d645081bdc8fd29f2f4ea6f29337bd5d25a819694fa6cb534a085adec0...
docker-verification=56e942dc-af8a-40c7-b671-3b2549fa6836
adobe-idp-site-verification=9268f0bf65e722619f863d4c8e05c94ebf45e50d691a1e6399e8...
google-site-verification=Pr7iUx77LxDC34m8Vd_MONpWyLm1lGi5nT9_-b1ifQQ
_5tvx1gyc2yfoda4lftaahduomcrwf8n
cursor-domain-verification-3hpy7a=Y2tu94Khunoulb0vx40QUKMxY
CAALookup not available with standard resolver
Resolved in 103 ms

A CNAME at the zone apex can break MX and NS records. Use ALIAS/ANAME or A records instead.

Why this matters

CNAME at the apex (example.com) breaks every other apex record (MX, TXT, NS) — DNS-protocol violation per RFC 1034.

Learn more ▾

RFC 1034 forbids CNAME alongside other records at the same name. Some DNS providers offer ALIAS / ANAME / flattened-CNAME records that work around this — use those instead. Otherwise apex-level CNAME breaks email (no MX), domain ownership verification (no TXT), and more.

Source: RFC 1034

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
No redirects — direct access
PASS
No redirects — direct access
Info::
No redirects — direct access
Got: https://www.amplitude.com

https://www.amplitude.com

774 ms · HTTP/1.1 FINAL

#URLStatusTimeProtocolServer
1https://www.amplitude.com200774 msHTTP/1.1nginx/1.22.0
A+
Crawlability
robots.txt present, sitemap with 9 URLs
PASS
robots.txt present, sitemap with 9 URLs
Info::
robots.txt is present
Got: 399 bytes
Info::
sitemap.xml is present
Info::
sitemap.xml is valid XML
Info::
sitemap.xml contains 9 entries
Info::
Sitemap index with 9 child sitemaps
Info::
robots.txt references sitemap
robots.txt 200 OK
Size 399 B Sitemaps referenced 1 User-agents PerplexityBot, Applebot-Extended, CCBot, cohere-ai, OAI-SearchBot, ClaudeBot, Google-Extended, Meta-ExternalAgent, *, GPTBot, ChatGPT-User, anthropic-ai Blocking No — crawling allowed
User-Agent: *
Allow: /
Disallow: /*sanity_test*

User-Agent: GPTBot
User-Agent: OAI-SearchBot
User-Agent: ChatGPT-User
User-Agent: ClaudeBot
User-Agent: anthropic-ai
User-Agent: PerplexityBot
User-Agent: Google-Extended
User-Agent: Applebot-Extended
User-Agent: CCBot
User-Agent: Meta-ExternalAgent
User-Agent: cohere-ai
Allow: /
Disallow: /*sanity_test*

Sitemap: https://amplitude.com/sitemap.xml
sitemap.xml 200 OK
Type Sitemap Index URLs 9 entries Valid XML Yes
Child Sitemaps:
A+
Domain Intelligence
amplitude.com — via MarkMonitor Inc., 30 years, 4 months old, hosted on AWS
PASS
amplitude.com — via MarkMonitor Inc., 30 years, 4 months old, hosted on AWS
Info::
Domain registered until Jan 10, 2027 (9 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.
Info::
Hosting: AWS
Got: AS16509
Domain expiry

228 days

January 10, 2027

SSL certificate

267 days

Issued by Amazon

Domain age

30 years, 4 months

Registered May 9, 1996

DNSSEC

Not enabled

Protects against DNS spoofing

Hosting

AWS

ASN AS16509

13.248.219.127

Registrar

MarkMonitor Inc.

Lock status unknown 4 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
Registrar MarkMonitor Inc.
Created May 9, 1996 (30 years, 4 months ago)
Expires January 10, 2027 (9 months)
Last Updated December 9, 2025
Name Servers ns-1262.awsdns-29.org, ns-1942.awsdns-50.co.uk, ns-260.awsdns-32.com, ns-579.awsdns-08.net
DNSSEC Not enabled
Hosting
IP Address 13.248.219.127
ASN AS16509 (AMAZON-02 - Amazon.com, Inc., US)
Provider AWS
Data source: rdap (0.2s)

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+
CDN & Delivery
Vercel (HIT)
PASS
Vercel (HIT)
Info::
Site is served via Vercel CDN
Got: x-vercel-id: pdx1::sfo1::hj72t-1775593421471-47dbf2de5b44
Info::
CDN cache status: HIT
CDN Detected: Vercel
Provider Vercel Cache Status HIT Evidence x-vercel-id: pdx1::sfo1::hj72t-1775593421471-47dbf2de5b44
All checks on this page are automated. Results are estimates - run targeted manual reviews when the score affects a release decision.

Send Feedback