Zksync.io zkSync — Rely on math, not validators | zkSync — Rely on math, not validators
zkSync is a ZK rollup solving Ethereum scalability with zero security compromises.
Server IP address resolved: Yes
Http response code: 200
Response time: 0.12 sec.
Last Checked: 08/14/2025
Zksync.io traffic volume is 37,862 unique daily visitors and their 227,172 pageviews. The web value rate of zksync.io is 327,420 USD. Each visitor makes around 6.42 page views on average.
Zksync.io belongs to AMAZON-02 - Amazon.com, Inc., US. Check the list of other websites hosted by AMAZON-02 - Amazon.com, Inc., US.
Zksync.io registered under .IO top-level domain. Check other websites in .IO zone.
The last verification results, performed on (February 21, 2025) zksync.io show that zksync.io has an expired SSL certificate issued by Let's Encrypt (expired on May 20, 2025). Click “Refresh” button for SSL Information at the Safety Information section. Check the list of websites using SSL certificates issued by Let's Encrypt.
In accordance with Google Safe Browsing and Symantec zksync.io is pretty a safe domain.
not found
We gather website safety and reputation data and compare it with available third-party sources so we calculate own safety and trustworthiness rate based on information that we get.
Norton ConnectSafe evaluates zksync.io for any unsafe and insecure content. The results are critical for families with young children.
SafeSearch is used as a parental control tool to filter out any inappropriate for your children search results on your devices: phones, tablets or personal computers.
Malware: not found.
Phishing: not detected.
Unwanted software: not found.
Harmfull applications: not found.
Google Safe Browsing notifies when websites are compromised by malicious actors. These protections work across Google products and provide a safer online experience.
McAfee assesses zksync.io for a meaningful set of security threats. Featured dangers from annoying pop-ups to hidden Trojans, that can steal your identity, will be revealed. McAfee does not analyze zksync.io for mature or inappropriate content, only security checks are evaluated.
The WOT calculates reputation of the zksync.io. This reputation system receives ratings from users and information from third-party sources, assesses the zksync.io for safety features and confirms, whether zksync.io is suitable for children.
| Domain | zksync.io |
| Issuer Organization | Let's Encrypt |
| Issuer | R10 |
| Algorithm | RSA-SHA256 |
| Valid form | 02/19/2025 |
| Expiration | 05/20/2025 |
| Signed | Certificate is not self signed |
| Additional Domains | zksync.io |
ASN ID: 16509
ASN Title: AMAZON-02 - Amazon.com, Inc., US
Last Update: 03/22/2025
#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#
ASNumber: 16509
ASName: AMAZON-02
ASHandle: AS16509
RegDate: 2000-05-03
Updated: 2012-03-02
Ref: https://rdap.arin.net/registry/autnum/16509
OrgName: Amazon.com, Inc.
OrgId: AMAZON-4
Address: 1918 8th Ave
City: SEATTLE
StateProv: WA
PostalCode: 98101-1244
Country: US
RegDate: 1995-01-23
Updated: 2017-01-28
Ref: https://rdap.arin.net/registry/entity/AMAZON-4
OrgAbuseHandle: AEA8-ARIN
OrgAbuseName: Amazon EC2 Abuse
OrgAbusePhone: +1-206-266-4064
OrgAbuseEmail: abuse@amazonaws.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/AEA8-ARIN
OrgTechHandle: ANO24-ARIN
OrgTechName: Amazon EC2 Network Operations
OrgTechPhone: +1-206-266-4064
OrgTechEmail: amzn-noc-contact@amazon.com
OrgTechRef: https://rdap.arin.net/registry/entity/ANO24-ARIN
RTechHandle: AC6-ORG-ARIN
RTechName: Amazon-com Incorporated
RTechPhone: +1-206-266-2187
RTechEmail: ipmanagement@amazon.com
RTechRef: https://rdap.arin.net/registry/entity/AC6-ORG-ARIN
#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#
Domain Name: zksync.io
Registry Domain ID: 68a0839852d64ae3841bb232d4085262-DONUTS
Registrar WHOIS Server: whois.rrpproxy.net
Registrar URL: http://key-systems.net
Updated Date: 2023-12-20T13:00:33Z
Creation Date: 2019-11-05T13:00:09Z
Registry Expiry Date: 2024-11-05T13:00:09Z
Registrar: Key-Systems GmbH
Registrar IANA ID: 269
Registrar Abuse Contact Email: abuse@key-systems.net
Registrar Abuse Contact Phone: +49 6894 9396 850
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Registry Registrant ID: REDACTED FOR PRIVACY
Registrant Name: REDACTED FOR PRIVACY
Registrant Organization: c/o whoisproxy.com
Registrant Street: REDACTED FOR PRIVACY
Registrant City: REDACTED FOR PRIVACY
Registrant State/Province: VA
Registrant Postal Code: REDACTED FOR PRIVACY
Registrant Country: US
Registrant Phone: REDACTED FOR PRIVACY
Registrant Phone Ext: REDACTED FOR PRIVACY
Registrant Fax: REDACTED FOR PRIVACY
Registrant Fax Ext: REDACTED FOR PRIVACY
Registrant Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Registry Admin ID: REDACTED FOR PRIVACY
Admin Name: REDACTED FOR PRIVACY
Admin Organization: REDACTED FOR PRIVACY
Admin Street: REDACTED FOR PRIVACY
Admin City: REDACTED FOR PRIVACY
Admin State/Province: REDACTED FOR PRIVACY
Admin Postal Code: REDACTED FOR PRIVACY
Admin Country: REDACTED FOR PRIVACY
Admin Phone: REDACTED FOR PRIVACY
Admin Phone Ext: REDACTED FOR PRIVACY
Admin Fax: REDACTED FOR PRIVACY
Admin Fax Ext: REDACTED FOR PRIVACY
Admin Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Registry Tech ID: REDACTED FOR PRIVACY
Tech Name: REDACTED FOR PRIVACY
Tech Organization: REDACTED FOR PRIVACY
Tech Street: REDACTED FOR PRIVACY
Tech City: REDACTED FOR PRIVACY
Tech State/Province: REDACTED FOR PRIVACY
Tech Postal Code: REDACTED FOR PRIVACY
Tech Country: REDACTED FOR PRIVACY
Tech Phone: REDACTED FOR PRIVACY
Tech Phone Ext: REDACTED FOR PRIVACY
Tech Fax: REDACTED FOR PRIVACY
Tech Fax Ext: REDACTED FOR PRIVACY
Tech Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Name Server: lily.ns.cloudflare.com
Name Server: charles.ns.cloudflare.com
DNSSEC: signedDelegation
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of WHOIS database: 2024-01-13T15:00:49Z
| Host | A Record | TTL |
|---|---|---|
| zksync.io | 76.76.21.21 | 300 |
| Host | MX Record | Priority | TTL |
|---|---|---|---|
| zksync.io | aspmx.l.google.com | 1 | 300 |
| zksync.io | aspmx2.googlemail.com | 10 | 300 |
| zksync.io | aspmx3.googlemail.com | 10 | 300 |
| zksync.io | alt1.aspmx.l.google.com | 5 | 300 |
| zksync.io | alt2.aspmx.l.google.com | 5 | 300 |
| Host | NS Record | TTL |
|---|---|---|
| zksync.io | charles.ns.cloudflare.com | 86400 |
| zksync.io | lily.ns.cloudflare.com | 86400 |
| Host | TXT Record | TTL |
|---|---|---|
| zksync.io | google-site-verification=8qzbhwTcl1zWAXx-jIlmmUWPERLUwvOZbjnRYofyDJQ | 60 |
| zksync.io | google-site-verification=B0RoPM3Los0m2ZvEehCmCVkOZGOzmFe27xwcwFnzgII | 60 |
| zksync.io | google-site-verification=E3kO2XOmhfNYwcc2zhUzMbMZCiQxLgnJUwua0Xn1LK4 | 60 |
| zksync.io | google-site-verification=YpLifSPXNpU3nBjYxImpGTOvdJu5RCRliCKwLGHTRk4 | 60 |
| zksync.io | google-site-verification=hrWPMoXfTOG40VQGoOgWmIW4shMGIsObggR1BNBm5bg | 60 |
| zksync.io | google-site-verification=zY6DRxGMoqjcD4J0D5-rXEc33f_V1q74oQj6vy3LxiU | 60 |
| zksync.io | v=spf1 include:_spf.google.com include:20178098.spf03.hubspotemail.net -all | 60 |
charles.ns.cloudflare.com
TTL: 1800
Email address: dns.cloudflare.com
Serial: 2366941558
Refresh: 10000
Retry: 2400
Expire: 604800
Minimum: 1800
No data
No data
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