Skip to content
https://amplitude.com

Infrastructure

· 9 checks — DNS, redirects, IPv6, crawlability, URL variants, and domain intelligence rolled into one auditable list.
SCORE
89
GRADE
B
FIX
0
REVIEW
4
PASS
5
INFO
0
Probed from Sao Paulo, Brazil
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://amplitude.com/ → https://amplitude.com:443/

Consistent

B
HTTP Probe Timing
Total 832 ms — DNS, TCP, TLS, TTFB, content transfer breakdown
REVIEW
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.
520 ms
Time to First Byte Time to First Byte — how long the server takes to respond with the first byte of data.
827 ms
Total Time Total request time from DNS lookup through full response.
832 ms

Connection waterfall

DNS Lookup 10 ms TCP Connect 1 ms TLS Handshake 520 ms Server Processing 297 ms Content Transfer 6 ms
B
TLS Certificate Expiry & Recommendations
258 days until leaf cert expires — 5 issues to address
REVIEW

Certificate validity

258
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, 54 ms lookup
PASS
2 A records, 54 ms lookup
Info::
Resolves to 2 IPv4 address(es)
Got: 13.248.219.127, 76.223.69.48
Info::
No IPv6 (AAAA) records
Info::
4 nameserver(s) configured
Got: ns-1262.awsdns-29.org, ns-1942.awsdns-50.co.uk, ns-260.awsdns-32.com, ns-579.awsdns-08.net
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: 54 ms
Got: 54 ms
A13.248.219.127, 76.223.69.48
AAAA—
CNAME—
NSns-1262.awsdns-29.org, ns-1942.awsdns-50.co.uk, ns-260.awsdns-32.com, ns-579.awsdns-08.net
MX
1 aspmx.l.google.com
5 alt1.aspmx.l.google.com
5 alt2.aspmx.l.google.com
10 aspmx3.googlemail.com
10 aspmx2.googlemail.com
TXT
-YmejhUkwDLXXeWYbehQAxrf
1password-site-verification=EJWIVHGTDFG7DFTTYJL4LR5FLY
MS=ms32056553
_5tvx1gyc2yfoda4lftaahduomcrwf8n
_fimewmbhqiw0326uox8jlpdv0ijab64
adobe-idp-site-verification=9268f0bf65e722619f863d4c8e05c94ebf45e50d691a1e6399e8...
anthropic-domain-verification-f3zxsq=LPY17h2p8t4lxXbc7smBKywZI
apple-domain-verification=csMy6RR7QIjftLlf
atlassian-domain-verification=t449HTbEFJ6cig9xRqaeCy4WXYQWjoIGeg/DLWl8G308boa5Db...
atlassian-sending-domain-verification=ce00b671-dc0a-433a-bfb7-2358cf3821a8
brevo-code:2f0c4fd9880f9665542e181744f1d9fa
canva-site-verification=xWH39TNIIfwwRxL8s2TcvQ
cursor-domain-verification-3hpy7a=Y2tu94Khunoulb0vx40QUKMxY
docker-verification=56e942dc-af8a-40c7-b671-3b2549fa6836
docusign=17efa275-26e8-4bf5-be57-894111e00bce
dropbox-domain-verification=piklqj1g2z36
epoch-domain-verification-xh26fy=luIeDFoDpcOzLQkefqm8go14E
gn8g8wj3rxyhhyv4582pj68cs9nkt6zp
google-site-verification=KLRkSFXuyWSnycd2CicMYEpYeIj_SXHW6IPRtGPQ648
google-site-verification=N60sstGie9jnCQqr5PUZw7cWpUTggmM4Fuveih7dS2g
google-site-verification=Pr7iUx77LxDC34m8Vd_MONpWyLm1lGi5nT9_-b1ifQQ
google-site-verification=WgtoYZ5Pimcr7SESFr_1xYW2awtx_DtiHKhjUd0WLm4
google-site-verification=gEGpnxSMW8ironroRwAYm5F0a-ff8zL-j2y2q9tQKL4
google-site-verification=gqPzq2Hsmcae9L3nQxFSRa47pXenhOP30el1-OdfI4s
google-site-verification=lBGlKiSVmjZPPLkprHztShC-hquWEuRmXqOzwnUPIS4
google-site-verification=ou3vCVjSCTacNlZ45HWmWC9Bgh3LrhibNjfvdN6NQno
google-site-verification=tfC-Q8StbguRHx4bvf6nGl0oO0f1pwtlNZiqPGriCN0
google-site-verification=v8pWhH0M0cY7_gnvUgDWc2hOwqyhaUcXwANwHF6yU8w
h1-domain-verification=BnRNcurBY8Ep78My4FHBXmLzhhSJWMWYwkPfHrXDNtA4RrkP
hubspot-developer-verification=NDM5ODg2MGItZTQwNy00MDJjLWFhMTktZWMyODhhYjc1NmZi
hubspot-developer-verification=Zjc4NjI5M2ItMWUxMy00MzBmLTkwNjItNmZkMWMxYTcwMDM3
hubspot-uv4NW994s5Am
miro-verification=93074e8e9166f962d18902efe961e4b1bc4e3234
notion-domain-verification=sMTDrB7KkRlRygoteRG6jE7xiZITKdLXL5lhRk8ZT4F
notion_verify_YR#is].+RNfLBfV)6ceu]TL?++3>Q6)F^BeVaw+tTADe#Qu@55#yu=Kj^Q8#cGDnmN...
openai-domain-verification=dv-SM9Mstx4xknAgtNhzdzjPX38
ps-cd-verification=15285629-d436-432e-87ca-7e8a850a71d3
reachdesk-verification=YFGnB17NeDVHYp9gESLVqpOQoEVaaCKmM8Ryqpq2SxmahSrZsY3tgrrnk...
stripe-verification=e2d645081bdc8fd29f2f4ea6f29337bd5d25a819694fa6cb534a085adec0...
v=MCPv1; k=ed25519; p=3zRkqhZH6mDF42JW4AFYFkf0tlDSM2+y2tOcdlSvkIs=
SPF v=spf1 include:_spf.google.com ip4:205.201.128.0/20 ip4:198.2.128.0/18 ip4:148.1...
CAALookup not available with standard resolver
Resolved in 54 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
No redirects — direct access
PASS
No redirects — direct access
Info::
No redirects — direct access
Got: https://amplitude.com

https://amplitude.com

811 ms · HTTP/1.1 FINAL

#URLStatusTimeProtocolServer
1https://amplitude.com200811 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: 364 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 364 B Sitemaps referenced 1 User-agents Meta-ExternalAgent, cohere-ai, ClaudeBot, PerplexityBot, Google-Extended, CCBot, *, GPTBot, OAI-SearchBot, ChatGPT-User, anthropic-ai, Applebot-Extended Blocking No — crawling allowed
User-Agent: *
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 (8 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: AS16509
Domain expiry

208 days

January 10, 2027

SSL certificate

258 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

76.223.69.48

Registrar

MarkMonitor Inc.

Unlocked 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
  • Enable registrar lock (clientTransferProhibited) to block unauthorized domain transfers
Registrar MarkMonitor Inc.
Created May 9, 1996 (30 years, 4 months ago)
Expires January 10, 2027 (8 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 76.223.69.48
ASN AS16509 (AMAZON-02 - Amazon.com, Inc., US)
Provider AWS
Data source: rdap (0.6s)

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+
CDN & Delivery
Vercel (HIT)
PASS
Vercel (HIT)
Info::
Site is served via Vercel CDN
Got: x-vercel-id: pdx1::sfo1::gl28z-1776360127611-b5a963628eef
Info::
CDN cache status: HIT
CDN Detected: Vercel
Provider Vercel Cache Status HIT Evidence x-vercel-id: pdx1::sfo1::gl28z-1776360127611-b5a963628eef
All checks on this page are automated. Results are estimates - run targeted manual reviews when the score affects a release decision.

Send Feedback