Submitted URL: http://signups.gr8.com/
Effective URL: https://signups.gr8.com/
Submission: On July 08 via manual from GB

Summary

This website contacted 4 IPs in 1 countries across 4 domains to perform 13 HTTP transactions. The main IP is 104.160.64.15, located in United States and belongs to GETRESPONSE-IMPLIX, US. The main domain is signups.gr8.com.
TLS certificate: Issued by RapidSSL TLS RSA CA G1 on May 7th 2018. Valid for: 2 years.
This is the only time signups.gr8.com was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
1 3 104.160.64.15 46469 (GETRESPON...)
8 205.185.216.10 20446 (HIGHWINDS3)
2 104.160.64.77 46469 (GETRESPON...)
1 2606:4700::68... 13335 (CLOUDFLAR...)
13 4
Domain Requested by
6 us-as.gr-cdn.com signups.gr8.com
3 signups.gr8.com 1 redirects signups.gr8.com
2 us-ms.gr-cdn.com signups.gr8.com
2 ga.getresponse.com signups.gr8.com
1 cdnjs.cloudflare.com ga.getresponse.com
13 5

This site contains links to these domains. Also see Links.

Domain
go.socialsmarketing.club
Subject Issuer Validity Valid
*.gr8.com
RapidSSL TLS RSA CA G1
2018-05-07 -
2020-08-09
2 years crt.sh
*.gr-cdn.com
Go Daddy Secure Certificate Authority - G2
2020-03-23 -
2021-04-10
a year crt.sh
*.getresponse.com
Go Daddy Secure Certificate Authority - G2
2020-04-06 -
2021-04-11
a year crt.sh
cloudflare.com
Cloudflare Inc ECC CA-3
2020-07-04 -
2021-07-04
a year crt.sh

This page contains 1 frames:

Primary Page: https://signups.gr8.com/
Frame ID: 9B69FCB6F1B0ED0B57626CDDC93C2B26
Requests: 13 HTTP requests in this frame

Screenshot


Page URL History Show full URLs

  1. http://signups.gr8.com/ HTTP 301
    https://signups.gr8.com/ Page URL

Detected technologies

Overall confidence: 100%
Detected patterns
  • headers server /nginx(?:\/([\d.]+))?/i

Page Statistics

13
Requests

100 %
HTTPS

25 %
IPv6

4
Domains

5
Subdomains

4
IPs

1
Countries

1760 kB
Transfer

3822 kB
Size

6
Cookies

Page URL History

This captures the URL locations of the websites, including HTTP redirects and client-side redirects via JavaScript or Meta fields.

  1. http://signups.gr8.com/ HTTP 301
    https://signups.gr8.com/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

13 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request /
signups.gr8.com/
Redirect Chain
  • http://signups.gr8.com/
  • https://signups.gr8.com/
37 KB
9 KB
Document
General
Full URL
https://signups.gr8.com/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
104.160.64.15 , United States, ASN46469 (GETRESPONSE-IMPLIX, US),
Reverse DNS
norevdns.getresponse.com
Software
nginx /
Resource Hash
32b479f5df0ee1264645147311fac8e77d0d37940199e689b9a80f9508089aab

Request headers

:method
GET
:authority
signups.gr8.com
:scheme
https
:path
/
pragma
no-cache
cache-control
no-cache
upgrade-insecure-requests
1
user-agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36
accept
text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9
sec-fetch-site
none
sec-fetch-mode
navigate
sec-fetch-user
?1
sec-fetch-dest
document
accept-encoding
gzip, deflate, br
accept-language
en-US
cookie
squeeze-page=obltsn44haqf90pj77mcu3npch
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

status
200
server
nginx
date
Wed, 08 Jul 2020 17:39:39 GMT
content-type
text/html; charset=utf-8
expires
Thu, 19 Nov 1981 08:52:00 GMT
cache-control
no-store, no-cache, must-revalidate
pragma
no-cache
set-cookie
hDvfo[variantVersion]=0; path=/ hDvfo[visit]=zfIIQ; expires=Wed, 08-Jul-2020 18:09:39 GMT; Max-Age=1800; path=/ hDvfo[uniqueVisit]=zfIIQ; expires=Fri, 07-Aug-2020 17:39:39 GMT; Max-Age=2592000; path=/
content-encoding
gzip

Redirect headers

Server
nginx
Date
Wed, 08 Jul 2020 17:39:39 GMT
Content-Type
text/html; charset=UTF-8
Transfer-Encoding
chunked
Set-Cookie
squeeze-page=obltsn44haqf90pj77mcu3npch; path=/; HttpOnly
Expires
Thu, 19 Nov 1981 08:52:00 GMT
Cache-Control
no-store, no-cache, must-revalidate
Pragma
no-cache
Location
https://signups.gr8.com/
reset-styles.ea8ef841c0d6a0133be6.css
us-as.gr-cdn.com/javascripts/core/lps/dist/
925 B
692 B
Stylesheet
General
Full URL
https://us-as.gr-cdn.com/javascripts/core/lps/dist/reset-styles.ea8ef841c0d6a0133be6.css
Requested by
Host: signups.gr8.com
URL: https://signups.gr8.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
205.185.216.10 Phoenix, United States, ASN20446 (HIGHWINDS3, US),
Reverse DNS
Software
/
Resource Hash
1ce5f3fe604178444613f80a6398d8c55abe621d453b1241b575194023466396

Request headers

Referer
https://signups.gr8.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Wed, 08 Jul 2020 17:39:39 GMT
content-encoding
gzip
last-modified
Sat, 26 Oct 1985 08:15:00 GMT
etag
W/"1dc09d84-39d"
x-hw
1594229979.dop027.am5.t,1594229979.cds232.am5.hn,1594229979.cds212.am5.c
content-type
text/css
status
200
cache-control
max-age=31536000, public
accept-ranges
bytes
content-length
501
core-styles.43e16a12a7b8e6f59945.css
us-as.gr-cdn.com/javascripts/core/lps/dist/
26 KB
7 KB
Stylesheet
General
Full URL
https://us-as.gr-cdn.com/javascripts/core/lps/dist/core-styles.43e16a12a7b8e6f59945.css
Requested by
Host: signups.gr8.com
URL: https://signups.gr8.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
205.185.216.10 Phoenix, United States, ASN20446 (HIGHWINDS3, US),
Reverse DNS
Software
/
Resource Hash
1c1594980fc5fbb5b764a70b6089aa62f4a707a90854aa8aaad3919bab8e0420

Request headers

Referer
https://signups.gr8.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Wed, 08 Jul 2020 17:39:39 GMT
content-encoding
gzip
last-modified
Sat, 26 Oct 1985 08:15:00 GMT
etag
W/"1dc09d84-6914"
x-hw
1594229979.dop027.am5.t,1594229979.cds232.am5.hn,1594229979.cds149.am5.c
content-type
text/css
status
200
cache-control
max-age=31536000, public
accept-ranges
bytes
content-length
6977
webform-styles.84ee21488b0701eed50d.css
us-as.gr-cdn.com/javascripts/core/lps/dist/
30 KB
5 KB
Stylesheet
General
Full URL
https://us-as.gr-cdn.com/javascripts/core/lps/dist/webform-styles.84ee21488b0701eed50d.css
Requested by
Host: signups.gr8.com
URL: https://signups.gr8.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
205.185.216.10 Phoenix, United States, ASN20446 (HIGHWINDS3, US),
Reverse DNS
Software
/
Resource Hash
4f8682cd04902350c91bdd6bda5ceb55ece87f2be833d09f5e1ad59b437c14b1

Request headers

Referer
https://signups.gr8.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Wed, 08 Jul 2020 17:39:39 GMT
content-encoding
gzip
last-modified
Sat, 26 Oct 1985 08:15:00 GMT
etag
W/"1dc09d84-772c"
x-hw
1594229979.dop027.am5.t,1594229979.cds232.am5.hn,1594229979.cds006.am5.c
content-type
text/css
status
200
cache-control
max-age=31536000, public
accept-ranges
bytes
content-length
4669
style.css
signups.gr8.com/images/common/templates/landing/207/1/css/
4 KB
1 KB
Stylesheet
General
Full URL
https://signups.gr8.com/images/common/templates/landing/207/1/css/style.css
Requested by
Host: signups.gr8.com
URL: https://signups.gr8.com/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
104.160.64.15 , United States, ASN46469 (GETRESPONSE-IMPLIX, US),
Reverse DNS
norevdns.getresponse.com
Software
nginx /
Resource Hash
4e54da309afb8e6e56a932e81df397afbab2b025787be8f05d7344772a497e69

Request headers

Referer
https://signups.gr8.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Wed, 08 Jul 2020 17:39:39 GMT
content-encoding
gzip
last-modified
Tue, 30 Jun 2020 11:02:58 GMT
server
nginx
etag
W/"5efb1be2-10b2"
content-type
text/css
status
200
cache-control
max-age=86400
expires
Thu, 09 Jul 2020 17:39:39 GMT
ga.js
ga.getresponse.com/script/
3 KB
1 KB
Script
General
Full URL
https://ga.getresponse.com/script/ga.js?grid=sBDcBXU1RfHoBA3c%3D
Requested by
Host: signups.gr8.com
URL: https://signups.gr8.com/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
104.160.64.77 , United States, ASN46469 (GETRESPONSE-IMPLIX, US),
Reverse DNS
Software
/
Resource Hash
f36fb980e7c7c7e76447398607f5d66d740b9150ffe7660b5b6e8b50f739d238

Request headers

Referer
https://signups.gr8.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

Date
Wed, 08 Jul 2020 17:39:40 GMT
Content-Encoding
gzip
Transfer-Encoding
chunked
Content-Type
application/javascript
f959860a-a2e8-4a71-92fb-624f0588a285.jpg
us-ms.gr-cdn.com/getresponse-yWduE/photos/
12 KB
12 KB
Image
General
Full URL
https://us-ms.gr-cdn.com/getresponse-yWduE/photos/f959860a-a2e8-4a71-92fb-624f0588a285.jpg
Requested by
Host: signups.gr8.com
URL: https://signups.gr8.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
205.185.216.10 Phoenix, United States, ASN20446 (HIGHWINDS3, US),
Reverse DNS
Software
/
Resource Hash
d11d9b2238e6f44b586303c6c8703dc12fff56dea9f63c72b83f467bb4d00261

Request headers

Referer
https://signups.gr8.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Wed, 08 Jul 2020 17:39:39 GMT
last-modified
Tue, 07 Jul 2020 13:10:13 GMT
etag
"5ac5858895fd18d555d9515537e95692"
x-robots-tag
noindex, nofollow
x-hw
1594229979.dop027.am5.t,1594229979.cds232.am5.hn,1594229979.cds003.am5.c
x-amz-version-id
M2qrQKYgldKm453A.7v63B8k8eqXy.QP
status
200
cache-control
max-age=31511814
accept-ranges
bytes
content-type
image/jpeg
content-length
12298
x-amz-id-2
FV0gTWeyv4sXQK15lUjWkc7D+h3SNqD4v6HeBl7YgcIMY7LWi5eCVyzZiBCi6GZ2nGOKXcpwpF8=
d4fb01e7-075e-4b32-aab1-ddddd95553a8.png
us-ms.gr-cdn.com/getresponse-yWduE/photos/
1 MB
1 MB
Image
General
Full URL
https://us-ms.gr-cdn.com/getresponse-yWduE/photos/d4fb01e7-075e-4b32-aab1-ddddd95553a8.png
Requested by
Host: signups.gr8.com
URL: https://signups.gr8.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
205.185.216.10 Phoenix, United States, ASN20446 (HIGHWINDS3, US),
Reverse DNS
Software
/
Resource Hash
a7af89e11109cd36f3f9f485c77c77549aeac5ecacaf337a93e8f497d8920fef

Request headers

Referer
https://signups.gr8.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Wed, 08 Jul 2020 17:39:40 GMT
last-modified
Wed, 08 Jul 2020 11:12:42 GMT
etag
"513a75add2e9c05565a818fafac81eb6"
x-robots-tag
noindex, nofollow
x-hw
1594229979.dop027.am5.t,1594229979.cds232.am5.hn,1594229979.cds013.am5.p
x-amz-version-id
bunR.RqoBcNqJLwFo3qJm3.FoSEBBM7_
status
200
cache-control
max-age=31536000
accept-ranges
bytes
content-type
image/png
content-length
1119327
x-amz-id-2
VJ92TRDBEHiYfkNqrfmywEP//xWkZJnQfVZDSrRVQmwHIBegIpqAoS7cNxy39CVXNdeDwxSqvxQ=
manifest.2f5cb86baedc9b796621.js
us-as.gr-cdn.com/javascripts/core/lps/dist/
2 KB
937 B
Script
General
Full URL
https://us-as.gr-cdn.com/javascripts/core/lps/dist/manifest.2f5cb86baedc9b796621.js
Requested by
Host: signups.gr8.com
URL: https://signups.gr8.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
205.185.216.10 Phoenix, United States, ASN20446 (HIGHWINDS3, US),
Reverse DNS
Software
/
Resource Hash
ccf4f840aa31f8fb04a99a98ba7a9cf23a809889dc1a2f20f6948417ceed1be0

Request headers

Referer
https://signups.gr8.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Wed, 08 Jul 2020 17:39:39 GMT
content-encoding
gzip
last-modified
Sat, 26 Oct 1985 08:15:00 GMT
etag
W/"1dc09d84-629"
x-hw
1594229979.dop027.am5.t,1594229979.cds232.am5.hn,1594229979.cds210.am5.c
content-type
application/javascript
status
200
cache-control
max-age=31536000, public
accept-ranges
bytes
content-length
794
vendor.chunk.90ea5bde9210fa1631b3.js
us-as.gr-cdn.com/javascripts/core/lps/dist/
658 KB
183 KB
Script
General
Full URL
https://us-as.gr-cdn.com/javascripts/core/lps/dist/vendor.chunk.90ea5bde9210fa1631b3.js
Requested by
Host: signups.gr8.com
URL: https://signups.gr8.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
205.185.216.10 Phoenix, United States, ASN20446 (HIGHWINDS3, US),
Reverse DNS
Software
/
Resource Hash
cea0cb086fcf71190747c1a675df5bf848b6a78b676d0b0bfd757171e2b81085

Request headers

Referer
https://signups.gr8.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Wed, 08 Jul 2020 17:39:39 GMT
content-encoding
gzip
last-modified
Sat, 26 Oct 1985 08:15:00 GMT
etag
W/"1dc09d84-a4706"
x-hw
1594229979.dop027.am5.t,1594229979.cds232.am5.hn,1594229979.cds236.am5.c
content-type
application/javascript
status
200
cache-control
max-age=31536000, public
accept-ranges
bytes
content-length
186778
show.chunk.1c5952aa22d1131db1de.js
us-as.gr-cdn.com/javascripts/core/lps/dist/
2 MB
425 KB
Script
General
Full URL
https://us-as.gr-cdn.com/javascripts/core/lps/dist/show.chunk.1c5952aa22d1131db1de.js
Requested by
Host: signups.gr8.com
URL: https://signups.gr8.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
205.185.216.10 Phoenix, United States, ASN20446 (HIGHWINDS3, US),
Reverse DNS
Software
/
Resource Hash
c309f0f0aa6f6d7a4efac18b6fba4c8f2b86abaa42ddf1196302cc6646a8a3e3

Request headers

Referer
https://signups.gr8.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Wed, 08 Jul 2020 17:39:39 GMT
content-encoding
gzip
last-modified
Sat, 26 Oct 1985 08:15:00 GMT
etag
W/"1dc09d84-1d911b"
status
200
x-hw
1594229979.dop027.am5.t,1594229979.cds232.am5.hn,1594229979.cds119.am5.c
content-type
application/javascript
access-control-allow-origin
*
cache-control
max-age=31536000, public
accept-ranges
bytes
content-length
434885
piwik.js
cdnjs.cloudflare.com/ajax/libs/piwik/3.5.0/
64 KB
21 KB
Script
General
Full URL
https://cdnjs.cloudflare.com/ajax/libs/piwik/3.5.0/piwik.js
Requested by
Host: ga.getresponse.com
URL: https://ga.getresponse.com/script/ga.js?grid=sBDcBXU1RfHoBA3c%3D
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:85e5 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
c7d392694a1257cc4052e24f1f02e9bbd1431ab0d27b64c3d9a76b13f539130b
Security Headers
Name Value
Strict-Transport-Security max-age=15780000; includeSubDomains

Request headers

Referer
https://signups.gr8.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Wed, 08 Jul 2020 17:39:40 GMT
content-encoding
br
vary
Accept-Encoding
cf-cache-status
HIT
age
21895906
status
200
alt-svc
h3-27=":443"; ma=86400, h3-28=":443"; ma=86400, h3-29=":443"; ma=86400
cf-request-id
03d11c14250000074664b28200000001
served-in-seconds
0.002
timing-allow-origin
*
last-modified
Thu, 17 May 2018 09:25:57 GMT
server
cloudflare
etag
W/"5afd4aa5-fed5"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
strict-transport-security
max-age=15780000; includeSubDomains
content-type
application/javascript; charset=utf-8
access-control-allow-origin
*
cache-control
public, max-age=30672000
cf-ray
5afb9600394d0746-FRA
expires
Mon, 28 Jun 2021 17:39:40 GMT
index.php
ga.getresponse.com/
0
104 B
Image
General
Full URL
https://ga.getresponse.com/index.php?ver=3&action_name=signup&idsite=&rec=1&r=772624&h=19&m=39&s=40&url=https%3A%2F%2Fsignups.gr8.com%2F&uid=%7B%22uuid%22%3A%2299bac556-3dda-4eb2-912b-dd468a3bdb4c%22%2C%22email%22%3A%22%22%2C%22xsid%22%3A%22%22%2C%22gr_x%22%3A%22%22%2C%22gr_s%22%3A%22%22%2C%22gr_m%22%3A%22%22%2C%22valuable%22%3A0%7D&_id=ab8b33513330fece&_idts=1594229980&_idvc=1&_idn=1&_refts=0&_viewts=1594229980&send_image=1&cookie=1&res=1600x1200&_cvar=%7B%221%22%3A%5B%22grid%22%2C%22sBDcBXU1RfHoBA3c%3D%22%5D%7D&gt_ms=320&pv_id=32ymbk
Requested by
Host: signups.gr8.com
URL: https://signups.gr8.com/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
104.160.64.77 , United States, ASN46469 (GETRESPONSE-IMPLIX, US),
Reverse DNS
Software
/
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

Referer
https://signups.gr8.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

Date
Wed, 08 Jul 2020 17:39:40 GMT
Content-Type
text/html; charset=utf-8

Verdicts & Comments Add Verdict or Comment

26 JavaScript Global Variables

These are the non-standard "global" variables defined on the window object. These can be helpful in identifying possible client-side frameworks and code.

object| grLpsInitialData object| webpackJsonp object| __core-js_shared__ object| core object| global object| System function| asap function| Observable function| setImmediate function| clearImmediate object| regeneratorRuntime boolean| _babelPolyfill function| $ function| jQuery object| Backbone function| _ object| socialButtonsStorage object| __SENTRY__ string| params object| _paq function| gaSetUserId function| gaPush object| JSON_PIWIK object| Piwik object| AnalyticsTracker function| piwik_log

6 Cookies

Domain/Path Name / Value
signups.gr8.com/ Name: _pk_ses..e8e6
Value: *
signups.gr8.com/ Name: gaVisitorUuid
Value: 99bac556-3dda-4eb2-912b-dd468a3bdb4c
signups.gr8.com/ Name: squeeze-page
Value: obltsn44haqf90pj77mcu3npch
signups.gr8.com/ Name: hDvfo[uniqueVisit]
Value: zfIIQ
signups.gr8.com/ Name: hDvfo[visit]
Value: zfIIQ
signups.gr8.com/ Name: hDvfo[variantVersion]
Value: 0