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https://zoho.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 Singapore, Singapore
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), 1033 ms total
REVIEW
1 redirect(s), 1033 ms total
Info::
Single redirect
Got: https://zoho.com → https://www.zoho.com/ (301)
Info::
WWW normalization redirect
Warning::
Redirect overhead: 1033 ms total
Got: 1033 ms

https://zoho.com

488 ms · HTTP/1.1

301

https://www.zoho.com/

545 ms · HTTP/1.1 FINAL

#URLStatusTimeProtocolServer
1https://zoho.com301488 msHTTP/1.1ZGS
2https://www.zoho.com/200545 msHTTP/1.1ZGS

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.zoho.com/
200https://zoho.com/

Inconsistent — duplicate content risk

HTTP → HTTPS

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

Consistent

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

Certificate validity

189
days left
0d 30d 60d 90d+

Recommended actions

  • Submit your domain to hstspreload.org to be added to the Chrome preload list
  • 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, 8 ms lookup
PASS
1 A records, 8 ms lookup
Info::
Resolves to 1 IPv4 address(es)
Got: 204.141.42.155
Info::
Single A record — no DNS redundancy
Multiple A records provide failover if one server goes down.
Info::
No IPv6 (AAAA) records
Info::
8 nameserver(s) configured
Got: ns1.zohocorp.com, ns11.zns-53.com, ns21.zns-53.net, ns31.zns-53.com, ns41.zns-53.net, pdns90.ultradns.biz, pdns90.ultradns.com, pdns90.ultradns.net
Info::
3 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: 8 ms
Got: 8 ms
A204.141.42.155
AAAA—
CNAME—
NSns1.zohocorp.com, ns11.zns-53.com, ns21.zns-53.net, ns31.zns-53.com, ns41.zns-53.net, pdns90.ultradns.biz, pdns90.ultradns.com, pdns90.ultradns.net
MX
10 smtpin.zoho.com
20 smtpin2.zoho.com
50 smtpin3.zoho.com
TXT
OSSRH-65508
5d7tzsjx9vpr6dwqfd9910mkffcr1893
_7w86ubhx27sgdoo84npral89s33t2u3
_9xdko5m9wh9tx7q8vz3vs0eo2y6l239
_cxpexq0rrrkb0kkkz3mc1v37kl4dsrp
_op091a6o68i6m2yma8y9axhq463xldm
qm36k1hcyk8f6rcncfpj7ngl5708cvhl
vgsr5l5dhfv2qr8g5ntl0w9jn9tnqr94
2nb6vfc9zm9t9f941qhzh8c66z5x6lxp
openai-domain-verification=dv-cZm3nfyBwGQo4BZTvFnA8KfA
zoho-nimbus-mrePMidEyuuAwUlwP+s2IbAqvJIO0MkIbdfSbpojeiU=
zoom-domain-verification=e4699571-2e14-4588-bfe0-471a645d4059
google-site-verification=HJDhZb7eVwcBS1ZHYfa3zJKD7Ta5OlTtjGODvld90vs
google-site-verification=SEMszgPBLwGVsVcKzkWqXFsgw8B2IbSPm3X5lVMnoLY
google-site-verification=mQpZgdgWartH2aVfQgUPDRJ5AR2qqfCdGHtQqqNWBWw
google-site-verification=npo_5EGYt0elo-8NI3LdXc77FK2_lnKC5z4y_dHcxL0
tiktok-developers-site-verification=8r8evNiFT1R72lVTisYkXtd7MUXuDoy1
site24x7-signals-domain-verification=ccec90b648534446606c200af00e9295
site24x7-signals-domain-verification=df57290b9f0e5eb1fbcaca5849cc43b5
SPF v=spf1 include:spf.zoho.com include:zcsend.net include:spf.zohomail.com -all
hubspot-developer-verification=ODRmYWExODEtMjBjMS00NTczLThhODgtZGFhZmFjZThkMjcz
postman-domain-verification=034222fcdc924fe91765763089a17ed482c4ae518ded4bb86a19...
postman-domain-verification=9783fef3f967a95d9ae1b2e487850866e686c1b446fb385b037d...
CAALookup not available with standard resolver
Resolved in 8 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 478 URLs
PASS
robots.txt present, sitemap with 478 URLs
Info::
robots.txt is present
Got: 5163 bytes
Info::
sitemap.xml is present
Info::
sitemap.xml is valid XML
Info::
sitemap.xml contains 478 entries
Info::
Sitemap index with 478 child sitemaps
Info::
robots.txt references sitemap
robots.txt 200 OK
Size 5163 B Sitemaps referenced 1 User-agents *, Googlebot-Image, zs-crawler, zoho-scrapy Blocking No — crawling allowed
# ------------------------------------------

# ZOHO Corp. -- http://www.zoho.com

# Robot Exclusion File -- robots.txt

# Author: Zoho Creative

# Last Updated: 30/09/2024

# ------------------------------------------


User-agent: *

Allow: */crm/lp/

Allow: /.well-known/



# unwanted list taken from zoho search list


Disallow: /unsubscribe-thankyou.html

Disallow: */t/

Disallow: */noindex/

Disallow: /test.html

Disallow: */search-results.html

Disallow: /nl/crm/sales-assistant-delete.html

Disallow: /analytics-plus/

Disallow: /notfound.html

Disallow: /fbl/faq.html

Disallow: /fbl/howitworks.html

Disallow: /fbl/terms.html

Disallow: /fbl/home.html

Disallow: /fbl/logout.html

Disallow: /connect/social-intranet.html

Disallow: /showtime/.requestinvite.html.swp

Disallow: /extensions/eventack.html


# unwanted list taken from zoho search for zoho


Disallow: /crm/Templates/

Disallow: /rip/

Disallow: */lp/

Disallow: /lenovo/

Disallow: /creator/oldhelp/

Disallow: /es/crm/

Disallow: /invoice/de/

Disallow: /invoice/es/

Disallow: /invoice/fr/

Disallow: /invoice/it/

Disallow: /invoice/cn/

Disallow: /invoice/jp/

Disallow: /invoice/kr/

Disallow: /invoice/se/

Disallow: /invoice/nl/

Disallow: /invoice/pt/

Disallow: /security/hall-of-fame.html

Disallow: /autodiscover/

Disallow: /franchise/

Disallow: /news/

Disallow: /crm/design/

Disallow: /crm/help/crm-transition/

Disallow: /eu/

Disallow: /crm/onboarding/

Disallow: /recruit/helpnew/

Disallow: /web-double-optin-confirmation.html

Disallow: /privacy/zoho-group.html

Disallow: /privacy-draft.html

Disallow: /journal-subcriber.html

Disallow: /people/oldhelp/

Disallow: /zoholics/exhibitormanual2019/

Disallow: /analytics/help/onpremise/api/

Disallow: /crm/help/developer/

Disallow: /arts/library/

Disallow: /art/gallery/

Disallow: /sites/default/files/privacy/archived/

Disallow: /privacy/archived-versions.html

Disallow: /crm/developer/docs/functions/failure-rerun.html

Disallow: /creative/

Disallow: /travel/

Disallow: /sites/default/files/creator/archive/

Disallow: /ru/

Disallow: /tr/

Disallow: /fr/motivator/

Disallow: /de/motivator/

Disallow: /pt-br/motivator/

Disallow: /es-xl/motivator/

Disallow: /nl/motivator/

Disallow: /id/motivator/

Disallow: /th/motivator/

Disallow: /ar/motivator/

Disallow: /jp/motivator/

Disallow: /it/motivator/

Disallow: /vi/motivator/

Disallow: /manotest/

Disallow: /einvoice/

Disallow: /in/einvoice/

Disallow: /services/

Disallow: /cliq/cliqtrix/

Disallow: /cmstest/

Disallow: /creativetest/

Disallow: /workplace/nic/

Disallow: /creator/payroll/

Disallow: /store/apex/help/

Disallow: /store/marketing-agency/help/

Disallow: /us/payroll/v1/help/

Disallow: /sa/payroll/

Disallow: /cards/





# PDF Files blocked from indexing


Disallow: /sites/zweb/images/jp/partners/partner-policy.pdf

Disallow: /sites/zweb/images/crm/sales-cadence.pdf

Disallow: /sites/zweb/images/workplace/pdf/saas-affiliate-marketing.pdf

Disallow: /sites/zweb/images/workplace/pdf/affiliate-marketing-guide.pdf

Disallow: /sites/default/files/commandcenter/commandcenter-as-a-service-helpdoc.pdf

Disallow: /sites/zweb/images/crm/signup_onboarding_loader.mp4

Disallow: /sites/default/files/crm/zcrm-canvas-earlyaccess-faqs.pdf

Disallow: /desk/images/desk-pricing-inr.pdf

Disallow: /desk/images/desk-pricing-usd.pdf

Disallow: /sites/default/files/desk/zoho-plan-comparison-eur.pdf

Disallow: /sites/default/files/desk/zoho-plan-comparison-gbp.pdf

Disallow: /sites/default/files/desk/zoho-plan-comparison-usd.pdf

Disallow: /sites/default/files/desk/zoho-plan-comparison-inr.pdf

Disallow: /sites/default/files/crm/command-center.pdf

Disallow: /sites/default/files/crm/webform-analytics.pdf

Disallow: /sites/default/files/crm/marketing-attribution.pdf

Disallow: /sites/default/files/crm/cohort-analysis.pdf

Disallow: /sites/default/files/crm/quadrant-analysis.pdf

Disallow: /sites/default/files/crm/workflow-suggestions-by-zia.pdf

Disallow: /sites/default/files/crm/working-with-calls.pdf

Disallow: /zoholics/Folleto-Zoholics-Mexico-2016.pdf

Disallow: /sites/zweb/images/jp/crmplus/zohocrmplus-feature-list.pdf

Disallow: /sites/zweb/images/crmplus/images/zohocrmplus-feature-list.pdf

Disallow: /sites/zweb/images/crm/the-forrester-case-for-democratizing-crm.pdf

Disallow: /sites/zweb/images/crm/gartner-cso-2025.pdf

Disallow: */zlp/

Disallow: /projects/help/rest-api/

Disallow: /om/payroll/

Disallow: /bh/payroll/

Disallow: /kw/payroll/

Disallow: /qw/payroll/

Disallow: /payroll/api/v1/introduction/





User-agent: Googlebot-Image


Disallow: /branding/images/dont-04.png

Disallow: /branding/images/dont-03.png

Disallow: /branding/images/dont-02.png

Disallow: /branding/images/dont-01.png

Disallow: /sites/zweb/images/zoho_general_pages/branding/dont-1.png

Disallow: /sites/zweb/images/zoho_general_pages/branding/dont-2.png

Disallow: /sites/zweb/images/zoho_general_pages/branding/dont-3.png

Disallow: /sites/zweb/images/zoho_general_pages/branding/dont-4.png



User-agent: zs-crawler

User-agent: zoho-scrapy

Allow: /


Sitemap: http://www.zoho.com/sitemap-index.xml
sitemap.xml 200 OK
Type Sitemap Index URLs 478 entries Valid XML Yes
Child Sitemaps:
A+
Domain Intelligence
zoho.com — via MarkMonitor Inc., 22 years, 6 months old, hosted on ZOHO-AS - ZOHO, US
PASS
zoho.com — via MarkMonitor Inc., 22 years, 6 months old, hosted on ZOHO-AS - ZOHO, US
Info::
Domain registered until Jan 16, 2031 (4 years, 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.
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: ZOHO-AS - ZOHO, US
Got: AS2639
Domain expiry

1649 days

January 16, 2031

SSL certificate

189 days

Issued by Sectigo Limited

Domain age

22 years, 6 months

Registered January 16, 2004

DNSSEC

Not enabled

Protects against DNS spoofing

Hosting

ZOHO-AS - ZOHO, US

ASN AS2639

204.141.42.155

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 January 16, 2004 (22 years, 6 months ago)
Expires January 16, 2031 (4 years, 9 months)
Last Updated October 23, 2025
Name Servers ns1.zohocorp.com, ns11.zns-53.com, ns21.zns-53.net, ns31.zns-53.com, ns41.zns-53.net, pdns90.ultradns.biz, pdns90.ultradns.com, pdns90.ultradns.net
DNSSEC Not enabled
Hosting
IP Address 204.141.42.155
ASN AS2639 (ZOHO-AS - ZOHO, US)
Provider ZOHO-AS - ZOHO, US
Data source: rdap (0.7s)

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

Connection waterfall

DNS Lookup 4 ms TCP Connect 159 ms TLS Handshake 162 ms Server Processing 159 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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