zksync.io
zkSync — Rely on math, not validators

 zkSync is a ZK rollup solving Ethereum scalability with zero security compromises.

 "zkSync, Matter Labs, rollup, ZK rollup, zero confirmation, ZKP, zero-knowledge proofs, Ethereum, crypto, blockchain, permissionless, L2, secure payments, scalable

Technical Rating

 XSS attack - not protected. HTTP header "X-XSS-Protection" not found

 User Interface redress attack - not protected. HTTP header "X-Frame-Options" not found

 HTTP request response - 200

 HTTPS request response - 200

 Redirect from HTTP to HTTPS

iHTTP redirect: https://zksync.io/

 Server response time 0,838 sec

 HTML load time 0,546 sec

iHTML length: 9904

 A link to a favicon is specified

iNumber of IMGs: 0

 Adapted for mobile devices. It uses the VIEWPORT tag

 W3C Validation. Number of HTML errors: 8

!Doesn't use robots.txt

!Doesn't use a sitemap

 DNS MX record is available. Anti-spam DMARC and ADSP records are available

Exact physical location of Zksync.io

iUS San Francisco 101 Townsend Street

101, Townsend Street, South Beach, San Francisco, San Francisco City and County, San Francisco, California, 94017, United States

Technical Information

iServer: cloudflare

iZksync.io created 4 year(s) 12 month(s) 3 day(s) ago (2019-11-05)

iRegistration period ends in (2021-11-05)

iZksync.io is registered in the NAMECHEAP, INC

iZksync.io registered to Privacy service provided by Withheld for Privacy ehf

iСontacts: [email protected]

iNameservers: LILY.NS.CLOUDFLARE.COM,   CHARLES.NS.CLOUDFLARE.COM

iIPv4: 172.67.177.69,   104.21.83.141

iIPv6: 2606:4700:3034::6815:538d,   2606:4700:3036::ac43:b145

iDNS TXT Records: "v=spf1 include:_spf.google.com ~all"
"google-site-verification=8qzbhwTcl1zWAXx-jIlmmUWPERLUwvOZbjnRYofyDJQ"
"OSSRH-60899"
"google-site-verification=YpLifSPXNpU3nBjYxImpGTOvdJu5RCRliCKwLGHTRk4"

iDNS Mail Records: 1 aspmx.l.google.com.,   5 alt1.aspmx.l.google.com.,   5 alt2.aspmx.l.google.com.,   10 aspmx2.googlemail.com.,   10 aspmx3.googlemail.com.

iDMARC Mail Anti Spam Records: 104.21.83.141,   172.67.177.69

iAuthor Domain Signing Practices Mail Records: 104.21.83.141,   172.67.177.69

iRaw Whois Information

[Querying whois.nic.io]
[whois.nic.io]
Domain Name: ZKSYNC.IO
Registry Domain ID: D503300001182185225-LRMS
Registrar WHOIS Server: whois.namecheap.com
Registrar URL: www.namecheap.com
Updated Date: 2020-10-06T09:04:53Z
Creation Date: 2019-11-05T13:00:09Z
Registry Expiry Date: 2021-11-05T13:00:09Z
Registrar Registration Expiration Date:
Registrar: NameCheap, Inc
Registrar IANA ID: 1068
Registrar Abuse Contact Email: [email protected]
Registrar Abuse Contact Phone: +1.6613102107
Reseller:
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Registrant Organization: Privacy service provided by Withheld for Privacy ehf
Registrant State/Province: Capital Region
Registrant Country: IS
Name Server: LILY.NS.CLOUDFLARE.COM
Name Server: CHARLES.NS.CLOUDFLARE.COM
DNSSEC: unsigned

>>> Last update of WHOIS database: 2021-09-09T06:17:09Z <<<

For more information on Whois status codes, please visit https://icann.org/epp

Access to WHOIS information provided by Internet Computer Bureau Ltd. ("ICB") is provided to assist persons in determining the contents of a domain name registration record in the ICB registry database. The data in this record is provided by ICB for informational purposes only, and ICB does not guarantee its accuracy. This service is intended only for query-based access. You agree that you will use this data only for lawful purposes and that, under no circumstances will you use this data to(i) allow, enable, or otherwise support the transmission by e-mail, telephone, facsimile or other electronic means of mass, unsolicited, commercial advertising or solicitations to entities other than the data recipient's own existing customers; or (ii) enable high volume, automated, electronic processes that send queries or data to the systems of Registry Operator, a Registrar, or ICB or its services providers except as reasonably necessary to register domain names or modify existing registrations. UK privacy laws limit the scope of information permitted for certain public access.  Therefore, concerns regarding abusive use of domain registrations in the ICB registry should be directed to either (a) the Registrar of Record as indicated in the WHOIS output, or (b) the ICB anti-abuse department at [email protected].

All rights reserved. ICB reserves the right to modify these terms at any time. By submitting this query, you agree to abide by these policies

The Registrar of Record identified in this output may have an RDDS service that can be queried for additional information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.

iRaw IPv4 Information 172.67.177.69

[Querying whois.arin.net]
[whois.arin.net]

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2021, American Registry for Internet Numbers, Ltd.
#


NetRange:       172.64.0.0 - 172.71.255.255
CIDR:           172.64.0.0/13
NetName:        CLOUDFLARENET
NetHandle:      NET-172-64-0-0-1
Parent:         NET172 (NET-172-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       AS13335
Organization:   Cloudflare, Inc. (CLOUD14)
RegDate:        2015-02-25
Updated:        2021-05-26
Comment:        All Cloudflare abuse reporting can be done via https://www.cloudflare.com/abuse
Ref:            https://rdap.arin.net/registry/ip/172.64.0.0



OrgName:        Cloudflare, Inc.
OrgId:          CLOUD14
Address:        101 Townsend Street
City:           San Francisco
StateProv:      CA
PostalCode:     94107
Country:        US
RegDate:        2010-07-09
Updated:        2021-07-01
Ref:            https://rdap.arin.net/registry/entity/CLOUD14


OrgRoutingHandle: CLOUD146-ARIN
OrgRoutingName:   Cloudflare-NOC
OrgRoutingPhone:  +1-650-319-8930
OrgRoutingEmail:  [email protected]
OrgRoutingRef:    https://rdap.arin.net/registry/entity/CLOUD146-ARIN

OrgNOCHandle: CLOUD146-ARIN
OrgNOCName:   Cloudflare-NOC
OrgNOCPhone:  +1-650-319-8930
OrgNOCEmail:  [email protected]
OrgNOCRef:    https://rdap.arin.net/registry/entity/CLOUD146-ARIN

OrgAbuseHandle: ABUSE2916-ARIN
OrgAbuseName:   Abuse
OrgAbusePhone:  +1-650-319-8930
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE2916-ARIN

OrgTechHandle: ADMIN2521-ARIN
OrgTechName:   Admin
OrgTechPhone:  +1-650-319-8930
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/ADMIN2521-ARIN

RTechHandle: ADMIN2521-ARIN
RTechName:   Admin
RTechPhone:  +1-650-319-8930
RTechEmail:  [email protected]
RTechRef:    https://rdap.arin.net/registry/entity/ADMIN2521-ARIN

RAbuseHandle: ABUSE2916-ARIN
RAbuseName:   Abuse
RAbusePhone:  +1-650-319-8930
RAbuseEmail:  [email protected]
RAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE2916-ARIN

RNOCHandle: NOC11962-ARIN
RNOCName:   NOC
RNOCPhone:  +1-650-319-8930
RNOCEmail:  [email protected]
RNOCRef:    https://rdap.arin.net/registry/entity/NOC11962-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2021, American Registry for Internet Numbers, Ltd.
#

iRaw DNS Information

A: 172.67.177.69
A: 104.21.83.141

AAAA: 2606:4700:3034::6815:538d
AAAA: 2606:4700:3036::ac43:b145

TXT: "v=spf1 include:_spf.google.com ~all"
TXT: "google-site-verification=8qzbhwTcl1zWAXx-jIlmmUWPERLUwvOZbjnRYofyDJQ"
TXT: "OSSRH-60899"
TXT: "google-site-verification=YpLifSPXNpU3nBjYxImpGTOvdJu5RCRliCKwLGHTRk4"

MX: 1 aspmx.l.google.com.
MX: 5 alt1.aspmx.l.google.com.
MX: 5 alt2.aspmx.l.google.com.
MX: 10 aspmx2.googlemail.com.
MX: 10 aspmx3.googlemail.com.

DMARC: 104.21.83.141
DMARC: 172.67.177.69

ADSP: 104.21.83.141
ADSP: 172.67.177.69