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https://siemens.com

Infrastructure

· 9 checks — DNS, redirects, IPv6, crawlability, URL variants, and domain intelligence rolled into one auditable list.
SCORE
81
GRADE
B
FIX
2
REVIEW
3
PASS
4
INFO
0
Probed from Madrid, Spain
301 Moved Permanently
Checks
9
4 PASS 3 REVIEW 2 FIX
F
Redirect Chain
Action
3 redirect(s), 1374 ms total
FIX
3 redirect(s), 1374 ms total
Warning::
3 redirects before reaching final URL
Each redirect adds latency. Try to minimize the chain to 1 hop.
Info::
WWW normalization redirect
Info::
Uses 302 (temporary) redirect
If permanent, use 301 instead.
Got: https://www.siemens.com/
Warning::
Redirect overhead: 1374 ms total
Got: 1374 ms

https://siemens.com

327 ms · HTTP/1.1

301

https://www.siemens.com/

87 ms · HTTP/1.1

302

https://www.siemens.com/en-us/index.html

879 ms · HTTP/1.1

301

https://www.siemens.com/en-us/

82 ms · HTTP/1.1 FINAL

#URLStatusTimeProtocolServer
1https://siemens.com301327 msHTTP/1.1C2 Comms Cloud ALB (bc8a9c26)
2https://www.siemens.com/30287 msHTTP/1.1CloudFront
3https://www.siemens.com/en-us/index.html301879 msHTTP/1.1C2 Comms Cloud (bc8a9c26)
4https://www.siemens.com/en-us/20082 msHTTP/1.1C2 Comms Cloud (bc8a9c26)

See the visual redirect chain in the HTTP Probe tab →

Each redirect adds latency. Try to minimize the chain to 1 hop.

Why this matters

Redirect chain — each hop adds latency; combine into one redirect where possible.

Source: Google Search Central / web.dev

If permanent, use 301 instead.

Why this matters

302 (Found) is for genuinely temporary redirects — if this redirect is permanent, switch to 301 to preserve SEO equity.

Learn more ▾

Search engines treat 302 as temporary, keeping the original URL indexed and not transferring full link equity to the destination. Use 301 (Moved Permanently) for permanent redirects (HTTP→HTTPS, www-vs-non-www, URL restructures).

Source: Google Search Central

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
HTTP Probe Timing
Total 801 ms — DNS, TCP, TLS, TTFB, content transfer breakdown
REVIEW
DNS Lookup DNS Lookup — time to resolve the domain name to an IP address.
21 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.
196 ms
Time to First Byte Time to First Byte — how long the server takes to respond with the first byte of data.
801 ms
Total Time Total request time from DNS lookup through full response.
801 ms

Connection waterfall

DNS Lookup 21 ms TCP Connect 1 ms TLS Handshake 196 ms Server Processing 583 ms Content Transfer 0 ms
B
TLS Certificate Expiry & Recommendations
298 days until leaf cert expires — 2 issues to address
REVIEW

Certificate validity

298
days left
0d 30d 60d 90d+

Recommended actions

  • Submit your domain to hstspreload.org to be added to the Chrome preload list
  • Enable OCSP stapling on your TLS server to remove a CA roundtrip and protect user privacy
A+
DNS Records
2 A records, 56 ms lookup
PASS
2 A records, 56 ms lookup
Info::
Resolves to 2 IPv4 address(es)
Got: 76.223.52.96, 13.248.167.215
Info::
No IPv6 (AAAA) records
Info::
8 nameserver(s) configured
Got: a11-66.akam.net, a2-67.akam.net, a28-65.akam.net, ns2.f5cloudservices.com, ns1.f5cloudservices.com, a13-65.akam.net, a10-64.akam.net, a1-16.akam.net
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: 56 ms
Got: 56 ms
A76.223.52.96, 13.248.167.215
AAAA—
CNAME—
NSa11-66.akam.net, a2-67.akam.net, a28-65.akam.net, ns2.f5cloudservices.com, ns1.f5cloudservices.com, a13-65.akam.net, a10-64.akam.net, a1-16.akam.net
MX
10 siemens-com.h-v1.mx.microsoft
TXT
google-site-verification=Mjkm9E3bUvhpoOI40x-Sz6mKW1ymubuqmtVBCvJZIAk
figma-domain-verification=949d2d11dd8c7e89ac6090bb4658ee77931cae61fab1f36ffead6b...
infoblox-domain-mastery=8b6102614021a9ab78902be969d370b36f17451c11d46a3221b628a1...
openai-domain-verification=dv-UgvgF0vIaG8dQwPGC6ySf5QX
docker-verification=8df8f830-a9d4-4482-a707-24dedddcca6a
227o2t2sa7lt162hnf5c9cdp7d
_o7w3wzppun2d7306lekd2trktohoxaz
evtqblmhjr4qj24ivduunlutd3
SPF v=spf1 exists:%{i}.spf.siemens.com include:spf.protection.outlook.com include:al...
00D300000006woe=1TBVb00000001hk;00DHu000007vQ2W=1TBaZ00000006VF
qa4a7nkbvk2eskf95249g8osnm
MS=ms15950903
apple-domain-verification=fhQV75F8g0MzmWfS
asv=795e5e26a3e3ffdd22a93504ae121293
adobe-sign-verification=3b7ebc0a7e5235e5a8993792bbb0447
DomainVerification=3GOSNKKXM4GMF3TJXTZ916HK5R0LM0ZLPI4UM96VINH50CDMQHWU62I6Z5JYV...
asuid.trade-finance-survey-platform=EB8B5F174EB7830B34515F9CF6E87A2ADF52802ED418...
atlassian-sending-domain-verification=d41e9244-8bea-422c-ab73-638158144ab5
cisco-ci-domain-verification=273c776eeb6c39cfcb114d41995dbf08d5ef7888e8e6a69584e...
adobe-sign-verification=db607c489b31ea1d3e40f25d9e976e2a
m5ao28bo0k75a3l141tepjmutu
mUXf3POXp0E8hFxxjg6rIUxzANLs122deDIzbndySQolRh4e6knjssYyNTXNQH75AdvVTVEfmtie8eY6...
google-site-verification=wnZTqqhJkDGUaZs267-1lC3TNl7mxR-ralIoFcYB5oQ
HdnJRoQY6iA+EVS/RKZDBaI8c68ubXk/DJ57gbqnpForX2H80nZGniE7C1C/2DpiGzrf55u9hjkPdnFd...
mongodb-site-verification=mt3V85WLWc9THaNQXSDoLcGRJZozvsCs
d365mktkey=5ex1u802is2171vkwrk4d9kts
atlassian-domain-verification=icjsJdhCva8jYj2OQ8GFkcDsWp0ixXreZq2KsyvxiSakEHncgS...
00d300000006woeeaa
onetrust-domain-verification=0ece3850de184fcc8c57686546a16794
msfpkey=42spf0s3tejgp3xvy42tve53b
amazonses:E8V+lV+QDJ+3ZSOIGflGs5r0V2I4ZdRmK30FINPjrqo=
atlassian-domain-verification=op2vv14QjFlJ1bVo6EZokipeON7DNvW38jh9gwyy8GHSmn05j5...
google-site-verification=X8gG8wfqjgklsKMbyURORr8tt04XEPDsLDBQzyvmSUQ
cloudhealth=ab72f57f-96fb-4bab-9fc3-024c7ede6e62
d365mktkey=RPp9b0ySQ2Kayj88aOXQgWzhzCB7FvaEEGZ7YuNIeuAx
hphsd7o9s7jd3k1lubufcombrm
d365mktkey=5v0mrfwg7vdqyfbl39zfs8izs
n92t0eh06mok6qorj0hj5v5poe
pendo-domain-verification=BBWBGgaHNz9FJBbkmfPFi1WqauA
atlassian-domain-verification=P0uHwbJeN95ur9Oj095AY1sKOD5cy34MLWaaQuQvEqxP0r5OyY...
johngh70e92k0den0ruuna2u94
SFMC-Vy1F7X9GpAR-9VrvI__OOCzi6gzZapqbnLQgp1ZM
apple-domain-verification=hpYfu3OMSoaGYddz
9d7tjvuaeecdan2nsc8qg122vb
onetrust-domain-verification=2b5ba24fcf8c4c76a9e9ed664fdb0200
balr97dij9f202iqifsv3rcqdd
rr4jgtlo92k69fnmfroq5cfpmj
atlassian-sending-domain-verification=9f382ec2-5d8a-46d2-9d4a-d6876fd7117a
facebook-domain-verification=w73k38t20g5cdo7apedgm2o48x6rr8
atlassian-domain-verification=ddahAPY7fy1Bqo0cZUtUUU03JhLmCYOGqgwfEex26Ucbrf8pYU...
apple-domain-verification=AhqbLT2JFuKF9OwC
OSSRH-86130
d365mktkey=3r3bww4jtipswj5al6i3obvf4
00DVZ0000037zhl=1TBVZ0000000Q7Q;00DVa000001Bs9N=1TBVa00000004wV;00DD30000001WId=...
d365mktkey=IyjVN0RuBJWFBFG7hX5BpmeM3lLRwaGz19nEeWrfgv8x
smartsheet-site-validation=t1TwXt7GRwJJrSMgxG8A27uhLHirpDZc
amazonses:V0id9QaER/A2VlXzNbVzuKxP092x8goVy8leNWsrmqw=
d365mktkey=WUujKcQe9HmhxPuxXavB93xj0h95NwSA9g1z7agDeCAx
jtkfd5dnjcffv1k8ncj3gip9el
apple-domain-verification=oFzVIFMg8yizAERG
adobe-idp-site-verification=a1b049a7078d9496425ce11f82f1d4c0986ce42f4f8d64d6dcfb...
apple-domain-verification=LLjpes1fLAPtUo9u
3vepbhksbrj1rgkmbsu99edatj
00DOz00000DRbs1=1TBOz0000000LUH; 00D7x00000QL27t=1TB7x0000000Iub; 00DD10000001Y...
xfJvFDwYiuRkANdMr+BuXZ9VVprV7kg7z2ef+JLrDSCMjLZPtw/q7jhBqCP0hnWQeX87Ja+LLoulxBRP...
qqjij87k7jbn20n4qjn7r1sjll
cvblatjf1vdgd7oid10fvm6o73
vbkgsls0700qvr66aoigogr4kr
88dq0un6jh8urfcn7c76moc91o
os0ibvmikadml6di0krkfq2ro8
CAALookup not available with standard resolver
Resolved in 56 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+
Crawlability
robots.txt present, sitemap with 38 URLs
PASS
robots.txt present, sitemap with 38 URLs
Info::
robots.txt is present
Got: 101 bytes
Info::
sitemap.xml is present
Info::
sitemap.xml is valid XML
Info::
sitemap.xml contains 38 entries
Info::
Sitemap index with 38 child sitemaps
Info::
robots.txt references sitemap
robots.txt 200 OK
Size 101 B Sitemaps referenced 1 User-agents * Blocking No — crawling allowed
Sitemap: https://www.siemens.com/sitemap.xml

User-agent: *
Disallow: /en-US/sites404/
Disallow: /*?
sitemap.xml 200 OK
Type Sitemap Index URLs 38 entries Valid XML Yes
Child Sitemaps:
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: non-www)
Info::
HTTP correctly 301-redirects to HTTPS

www / non-www

302https://www.siemens.com/
200https://siemens.com/

Preferred variant: non-www

HTTP → HTTPS

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

Consistent

A+
Domain Intelligence
siemens.com — via CSC Corporate Domains, Inc., 40 years, 1 months old, hosted on AWS
PASS
siemens.com — via CSC Corporate Domains, Inc., 40 years, 1 months old, hosted on AWS
Info::
Domain registered until Sep 28, 2026 (5 months remaining)
Info::
DNSSEC is enabled
Info::
Registrar: CSC Corporate Domains, 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

106 days

September 28, 2026

SSL certificate

298 days

Issued by Amazon

Domain age

40 years, 1 months

Registered September 29, 1986

DNSSEC

Enabled

Protects against DNS spoofing

Hosting

AWS

ASN AS16509

13.248.167.215

Registrar

CSC Corporate Domains, Inc.

Unlocked 8 NS records
Expiry timeline
Today
+1 year
Domain expiry SSL expiry Danger zone (≤30 days)
Recommended actions
  • Enable registrar lock (clientTransferProhibited) to block unauthorized domain transfers
Registrar CSC Corporate Domains, Inc.
Created September 29, 1986 (40 years, 1 months ago)
Expires September 28, 2026 (5 months)
Last Updated November 19, 2025
Name Servers a1-16.akam.net, a10-64.akam.net, a11-66.akam.net, a13-65.akam.net, a2-67.akam.net, a28-65.akam.net, ns1.f5cloudservices.com, ns2.f5cloudservices.com
DNSSEC Enabled
Hosting
IP Address 13.248.167.215
ASN AS16509 (AMAZON-02 - Amazon.com, Inc., US)
Provider AWS
Data source: rdap (0.3s)

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

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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