oversurvey.com
Open in
urlscan Pro
2606:4700:30::681c:2a
Public Scan
Effective URL: https://oversurvey.com/fly/w11pp/cc/us/camp//clickid/wbfj6domem0f4qfq1mis830m/tracker/x.gosuperpromo.com/keyword/mcdona...
Submission: On November 01 via api from US
Summary
TLS certificate: Issued by CloudFlare Inc ECC CA-2 on October 26th 2019. Valid for: a year.
This is the only time oversurvey.com was scanned on urlscan.io!
urlscan.io Verdict: No classification
Domain & IP information
IP Address | AS Autonomous System | ||
---|---|---|---|
1 1 | 74.118.105.83 74.118.105.83 | 16509 (AMAZON-02) (AMAZON-02 - Amazon.com) | |
1 1 | 2606:4700:10:... 2606:4700:10::6814:da2a | 13335 (CLOUDFLAR...) (CLOUDFLARENET - Cloudflare) | |
1 1 | 2606:4700:30:... 2606:4700:30::681c:19eb | 13335 (CLOUDFLAR...) (CLOUDFLARENET - Cloudflare) | |
1 1 | 2606:4700:30:... 2606:4700:30::6818:7612 | 13335 (CLOUDFLAR...) (CLOUDFLARENET - Cloudflare) | |
15 | 2606:4700:30:... 2606:4700:30::681c:2a | 13335 (CLOUDFLAR...) (CLOUDFLARENET - Cloudflare) | |
1 | 2a00:1450:400... 2a00:1450:4001:81f::200a | 15169 (GOOGLE) (GOOGLE - Google LLC) | |
1 | 2a00:1450:400... 2a00:1450:4001:824::200a | 15169 (GOOGLE) (GOOGLE - Google LLC) | |
1 | 2606:4700:30:... 2606:4700:30::681b:ac24 | 13335 (CLOUDFLAR...) (CLOUDFLARENET - Cloudflare) | |
18 | 5 |
ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US)
tinyurl.com |
ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US)
trk.saturnads.com |
ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US)
x.gosuperpromo.com |
ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US)
oversurvey.com |
ASN15169 (GOOGLE - Google LLC, US)
ajax.googleapis.com |
ASN15169 (GOOGLE - Google LLC, US)
fonts.googleapis.com |
ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US)
pushrev.neptuneadspush.com |
Apex Domain Subdomains |
Transfer | |
---|---|---|
15 |
oversurvey.com
oversurvey.com |
329 KB |
2 |
googleapis.com
ajax.googleapis.com fonts.googleapis.com |
33 KB |
1 |
neptuneadspush.com
pushrev.neptuneadspush.com |
8 KB |
1 |
gosuperpromo.com
1 redirects
x.gosuperpromo.com |
2 KB |
1 |
saturnads.com
1 redirects
trk.saturnads.com |
2 KB |
1 |
tinyurl.com
1 redirects
tinyurl.com |
751 B |
1 |
topicaplus.com
1 redirects
app.topicaplus.com |
260 B |
18 | 7 |
Domain | Requested by | |
---|---|---|
15 | oversurvey.com |
oversurvey.com
|
1 | pushrev.neptuneadspush.com |
oversurvey.com
|
1 | fonts.googleapis.com |
oversurvey.com
|
1 | ajax.googleapis.com |
oversurvey.com
|
1 | x.gosuperpromo.com | 1 redirects |
1 | trk.saturnads.com | 1 redirects |
1 | tinyurl.com | 1 redirects |
1 | app.topicaplus.com | 1 redirects |
18 | 8 |
This site contains no links.
Subject Issuer | Validity | Valid | |
---|---|---|---|
sni.cloudflaressl.com CloudFlare Inc ECC CA-2 |
2019-10-26 - 2020-10-09 |
a year | crt.sh |
*.googleapis.com GTS CA 1O1 |
2019-10-10 - 2020-01-02 |
3 months | crt.sh |
This page contains 1 frames:
Primary Page:
https://oversurvey.com/fly/w11pp/cc/us/camp//clickid/wbfj6domem0f4qfq1mis830m/tracker/x.gosuperpromo.com/keyword/mcdonaldsTG1101/lpc/1572633412026/sound/silent/wid/gen01/source/?cep=dRp8_4v6DSFM53jw8yRDxrBFLqELGzzxcDLzxEs2q-4ydnvWvjVHkutUS7KKMf-Qba6h5utKmQdfe_0pex8vTwV78onw45ThLb9Sl9y3BWliHMA2iFLQCllbzD8A-leJj85J1l6tetsKEJethgq2KEIVD8rD1viu47X0M_ZEKSMHxukHGZHstpZtpTX8ZwQn3y4u6kHrgPO_PXGtw3wLQcuHzheKVKs4lrQBJowZ3COHHOnl0wDkL9ewlKbem6Cx6HoxPGmVWKm5kcXwFNna5ZejxAJFR8PDlMxRxHL844mU2J1D78-hEUrPPQ2nKUsAoEVk_q0IFAFP7BawkCusA_CFNPt5SXyalfT3-646D4QFkDjthVBkdnAnG8F2kEEZ_1I9cEHndJ-MtidsyoTjiO4nXFYsygEBRGJSNoWfIqcXkl473f9DDdqFf-T7c2E45J07fPgSNob-or1N0KU2Fg2rIRJIvEbkADTbHruAA9L1TWTKH0YrGft_yYt3UxuN8ZwmApsRtOu9oHgAbMo-wsG1n4bPH-EUub-uLDkqlOEgdCizcBvzl6iUvmhTISsUgPAT65UBmwaazqC4G4O9hX8tyFThDbdlmMy-mUplWa_SLit_4H9Km7zdjOchf9gyrkeLIS8IBJhxRbh8-Dj_Gut4A1Psy7nVErxFFebaVoS76Nl9RruHQuuBNCNYlHnEzt7c0exw4MlUWcU-4hzVS1P6JyfAcoFX4paCrWvmAWfDLIDChvc_3AD0yyVgjNPcmgKYo8Xnj1jQhkS76daj5nued1o2Y9Z6wdKVSI60vuyKPMSeJriwE6qHl7PjC8IVqAiciuSea-RFMJ4Q91yLxnzhAwRtWfKuxhPSeUQUPJp1D2Y1aAl56GF0piVop6KZn8priRjRfi0Q1RVR9X3BOlUkstFjeZorEZgvEsPwG3qcLExAIfz13mQNzBteMtT29zc_cWNHyriDdcu3hWNktqDTNFO0aEguh52Y0nokYWMrUVJaDlYwtesn5NvSxCiQ&lptoken=1538725c6383529812bc&offer_id=437&keyword=mcdonaldsTG1101&source=&affiliate_id=1357&aff_sub2=&aff_sub3=&aff_sub4=&aff_sub5=&aff_id=push_aff_id&vid=%7Bvid%7D&cpc=0.00&clickid=102c7b72e08ac38389323d0e66f482&tracker=x.gosuperpromo.com
Frame ID: 96E2726377C518A6D57E3930AC1AB8EF
Requests: 19 HTTP requests in this frame
Screenshot
Page URL History Show full URLs
-
http://app.topicaplus.com/clicktrack.cgi?cid=34233&url=https%3A%2F%2Ftinyurl.com%2Fy6mpvnoz&u=948209
HTTP 303
https://tinyurl.com/y6mpvnoz HTTP 301
http://trk.saturnads.com/aff_c?offer_id=437&aff_id=1357&aff_sub=mcdonaldsTG1101 HTTP 302
https://x.gosuperpromo.com/fe9ecf68-6582-48ba-8fd6-8415647123fe?offer_id=437&keyword=mcdonaldsTG1101&so... HTTP 302
https://oversurvey.com/fly/w11pp/cc/us/camp//clickid/wbfj6domem0f4qfq1mis830m/tracker/x.gosuperprom... Page URL
Detected technologies
Bootstrap (Web Frameworks) ExpandDetected patterns
- html /<link[^>]+?href="[^"]*bootstrap(?:\.min)?\.css/i
CloudFlare (CDN) Expand
Detected patterns
- headers server /^cloudflare$/i
Google Font API (Font Scripts) Expand
Detected patterns
- html /<link[^>]* href=[^>]+fonts\.(?:googleapis|google)\.com/i
Page Statistics
0 Outgoing links
These are links going to different origins than the main page.
Page URL History
This captures the URL locations of the websites, including HTTP redirects and client-side redirects via JavaScript or Meta fields.
-
http://app.topicaplus.com/clicktrack.cgi?cid=34233&url=https%3A%2F%2Ftinyurl.com%2Fy6mpvnoz&u=948209
HTTP 303
https://tinyurl.com/y6mpvnoz HTTP 301
http://trk.saturnads.com/aff_c?offer_id=437&aff_id=1357&aff_sub=mcdonaldsTG1101 HTTP 302
https://x.gosuperpromo.com/fe9ecf68-6582-48ba-8fd6-8415647123fe?offer_id=437&keyword=mcdonaldsTG1101&source=&affiliate_id=1357&aff_sub2=&aff_sub3=&aff_sub4=&aff_sub5=&aff_id=push_aff_id&vid={vid}&cpc=0.00&clickid=102c7b72e08ac38389323d0e66f482 HTTP 302
https://oversurvey.com/fly/w11pp/cc/us/camp//clickid/wbfj6domem0f4qfq1mis830m/tracker/x.gosuperpromo.com/keyword/mcdonaldsTG1101/lpc/1572633412026/sound/silent/wid/gen01/source/?cep=dRp8_4v6DSFM53jw8yRDxrBFLqELGzzxcDLzxEs2q-4ydnvWvjVHkutUS7KKMf-Qba6h5utKmQdfe_0pex8vTwV78onw45ThLb9Sl9y3BWliHMA2iFLQCllbzD8A-leJj85J1l6tetsKEJethgq2KEIVD8rD1viu47X0M_ZEKSMHxukHGZHstpZtpTX8ZwQn3y4u6kHrgPO_PXGtw3wLQcuHzheKVKs4lrQBJowZ3COHHOnl0wDkL9ewlKbem6Cx6HoxPGmVWKm5kcXwFNna5ZejxAJFR8PDlMxRxHL844mU2J1D78-hEUrPPQ2nKUsAoEVk_q0IFAFP7BawkCusA_CFNPt5SXyalfT3-646D4QFkDjthVBkdnAnG8F2kEEZ_1I9cEHndJ-MtidsyoTjiO4nXFYsygEBRGJSNoWfIqcXkl473f9DDdqFf-T7c2E45J07fPgSNob-or1N0KU2Fg2rIRJIvEbkADTbHruAA9L1TWTKH0YrGft_yYt3UxuN8ZwmApsRtOu9oHgAbMo-wsG1n4bPH-EUub-uLDkqlOEgdCizcBvzl6iUvmhTISsUgPAT65UBmwaazqC4G4O9hX8tyFThDbdlmMy-mUplWa_SLit_4H9Km7zdjOchf9gyrkeLIS8IBJhxRbh8-Dj_Gut4A1Psy7nVErxFFebaVoS76Nl9RruHQuuBNCNYlHnEzt7c0exw4MlUWcU-4hzVS1P6JyfAcoFX4paCrWvmAWfDLIDChvc_3AD0yyVgjNPcmgKYo8Xnj1jQhkS76daj5nued1o2Y9Z6wdKVSI60vuyKPMSeJriwE6qHl7PjC8IVqAiciuSea-RFMJ4Q91yLxnzhAwRtWfKuxhPSeUQUPJp1D2Y1aAl56GF0piVop6KZn8priRjRfi0Q1RVR9X3BOlUkstFjeZorEZgvEsPwG3qcLExAIfz13mQNzBteMtT29zc_cWNHyriDdcu3hWNktqDTNFO0aEguh52Y0nokYWMrUVJaDlYwtesn5NvSxCiQ&lptoken=1538725c6383529812bc&offer_id=437&keyword=mcdonaldsTG1101&source=&affiliate_id=1357&aff_sub2=&aff_sub3=&aff_sub4=&aff_sub5=&aff_id=push_aff_id&vid=%7Bvid%7D&cpc=0.00&clickid=102c7b72e08ac38389323d0e66f482&tracker=x.gosuperpromo.com Page URL
Redirected requests
There were HTTP redirect chains for the following requests:
18 HTTP transactions
Method Protocol |
Resource Path |
Size x-fer |
Type MIME-Type |
||||||||||||||||||||||||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
GET H2 |
Primary Request
/
oversurvey.com/fly/w11pp/cc/us/camp//clickid/wbfj6domem0f4qfq1mis830m/tracker/x.gosuperpromo.com/keyword/mcdonaldsTG1101/lpc/1572633412026/sound/silent/wid/gen01/source/ Redirect Chain
|
52 KB 17 KB |
Document
text/html |
||||||||||||||||||||||||||||||||||||||||||||||||||||||
General
Request headers
Response headers
Redirect headers
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||
GET H2 |
bootstrap.min.css
oversurvey.com/assets/bootstrap/dist/css/ |
118 KB 18 KB |
Stylesheet
text/css |
||||||||||||||||||||||||||||||||||||||||||||||||||||||
General
Request headers
Response headers
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||
GET H2 |
ipad.png
oversurvey.com/images/ |
23 KB 23 KB |
Image
image/png |
||||||||||||||||||||||||||||||||||||||||||||||||||||||
General
Request headers
Response headers
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||
GET H2 |
5.jpg
oversurvey.com/people/ |
1 KB 1 KB |
Image
image/jpeg |
||||||||||||||||||||||||||||||||||||||||||||||||||||||
General
Request headers
Response headers
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||
GET H2 |
3.jpg
oversurvey.com/people/ |
936 B 1013 B |
Image
image/jpeg |
||||||||||||||||||||||||||||||||||||||||||||||||||||||
General
Request headers
Response headers
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||
GET H2 |
4.jpg
oversurvey.com/people/ |
1005 B 1 KB |
Image
image/jpeg |
||||||||||||||||||||||||||||||||||||||||||||||||||||||
General
Request headers
Response headers
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||
GET H2 |
2.jpg
oversurvey.com/people/ |
1 KB 1 KB |
Image
image/jpeg |
||||||||||||||||||||||||||||||||||||||||||||||||||||||
General
Request headers
Response headers
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||
GET H2 |
1.jpg
oversurvey.com/people/ |
2 KB 2 KB |
Image
image/jpeg |
||||||||||||||||||||||||||||||||||||||||||||||||||||||
General
Request headers
Response headers
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||
GET H2 |
jquery.min.js
ajax.googleapis.com/ajax/libs/jquery/1.11.2/ |
94 KB 33 KB |
Script
text/javascript |
||||||||||||||||||||||||||||||||||||||||||||||||||||||
General
Request headers
Response headers
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||
GET H2 |
bootstrap.min.js
oversurvey.com/assets/bootstrap/dist/js/ |
36 KB 9 KB |
Script
application/javascript |
||||||||||||||||||||||||||||||||||||||||||||||||||||||
General
Request headers
Response headers
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||
GET H2 |
scripts-w11.js
oversurvey.com/assets/js/ |
13 KB 3 KB |
Script
application/javascript |
||||||||||||||||||||||||||||||||||||||||||||||||||||||
General
Request headers
Response headers
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||
GET H2 |
fingerprint2.min.js
oversurvey.com/js/fingerprintjs2/1.5.0/ |
34 KB 10 KB |
Script
application/javascript |
||||||||||||||||||||||||||||||||||||||||||||||||||||||
General
Request headers
Response headers
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||
GET H2 |
mobile-detect.min.js
oversurvey.com/assets/js/mobile-detect.js-master/ |
37 KB 15 KB |
Script
application/javascript |
||||||||||||||||||||||||||||||||||||||||||||||||||||||
General
Request headers
Response headers
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||
GET H2 |
banner-bf.js
oversurvey.com/utils/banners/ |
748 B 444 B |
Script
application/javascript |
||||||||||||||||||||||||||||||||||||||||||||||||||||||
General
Request headers
Response headers
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||
GET H2 |
css
fonts.googleapis.com/ |
5 KB 612 B |
Stylesheet
text/css |
||||||||||||||||||||||||||||||||||||||||||||||||||||||
General
Request headers
Response headers
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||
GET H2 |
generic_mcd3.jpg
oversurvey.com/assets/images/ |
210 KB 210 KB |
Image
image/jpeg |
||||||||||||||||||||||||||||||||||||||||||||||||||||||
General
Request headers
Response headers
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||
GET DATA |
truncated
/ |
1 KB 0 |
Image
image/png |
||||||||||||||||||||||||||||||||||||||||||||||||||||||
General
Request headers
Response headers
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||
GET H2 |
2019-11.png
oversurvey.com/utils/banners/images/2019-months/ |
17 KB 17 KB |
Image
image/png |
||||||||||||||||||||||||||||||||||||||||||||||||||||||
General
Request headers
Response headers
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||
GET H2 |
trackpush-v2-cm.js
pushrev.neptuneadspush.com/javascripts/ |
29 KB 8 KB |
Script
application/javascript |
||||||||||||||||||||||||||||||||||||||||||||||||||||||
General
Request headers
Response headers
|
Verdicts & Comments Add Verdict or Comment
98 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| onformdata object| onpointerrawupdate function| r object| wall_json object| mydate number| year number| day number| month string| daym object| dayarray object| montharray function| $ function| jQuery object| jQuery111204158103741432144 function| findGetParameter number| offer_tick undefined| zz function| buildOfferHtml function| getRandomInt string| ss string| ex_id function| Fingerprint2 function| MobileDetect object| postData function| _pushNotificationsReady function| _pushNotificationsPermissionDenied function| _TRKPushPermissionDenied function| _pushNotificationsPermissionGranted function| _TRKPushPermissionGranted object| _at object| comp object| fpinfo string| css object| head object| style object| img object| $questionsForm object| $activeQuestion object| $nextQuestion function| _TRKPushDeferred function| getUrlVars function| urlBase64ToUint8Array function| _TRKPushGetDeviceType function| _TRKPushGetPageDetails function| _TRKPushGetReferrer function| _TRKPushGetLanguage function| _TRKPushGetResolution function| _TRKPushGetBrowserInfo function| _TRKPushGetSystemInfo function| _TRKPushInitialize function| _TRKPushGetSiteConfig function| _TRKPushLoadPrompt function| _TRKPushPromptApprove function| _TRKPushPromptDeny function| _TRKPushPromptCancel function| _TRKPushRemovePoweredBy function| _TRKPushShowPoweredBy function| _TRKPushGetSubscriberID function| _TRKPushSendTrackData function| _TRKPushGetSubscriberIDFromToken function| _TRKPushGenerateID function| _TRKPushGetCookie function| _TRKPushSetCookie function| _TRKPushDeleteCookie function| _TRKPushTrackAttributes function| _TRKPushOptInResponse function| _TRKPushPrompt function| _TRKPushTrackEvent function| _TRKPushAbandonedCart function| _TRKPushGetPushToken function| _TRKPushSupportsPush function| _TRKPushCheckHTTPS function| _TRKPushCheckPermissions function| _TRKPushRunNative function| _TRKPushSafariRun function| _TRKPushChromeRun function| _TRKPushSubscribe function| _TRKPushExtractSubscriptionId function| _TRKPushSendSubscriptionToServer function| _TRKPushRegisterWorker function| _TRKPushFetchSubscriberIDFromWorker function| _TRKPushConsoleOutput function| _TRKPushSendWorkerMessage function| _TRKPushLoad string| domain string| owner string| idSite boolean| showDebug boolean| subscriberID_existed undefined| _TRKPushPushToken undefined| _TRKPushSubscriberID undefined| _TRKPushCallResponse undefined| trackData string| currentPage string| _TRKPushAPI boolean| _TRKPushRanScript undefined| webURL undefined| logid1 Cookies
Cookies are little pieces of information stored in the browser of a user. Whenever a user visits the site again, he will also send his cookie values, thus allowing the website to re-identify him even if he changed locations. This is how permanent logins work.
Domain/Path | Expires | Name / Value |
---|---|---|
.oversurvey.com/ | Name: __cfduid Value: d527e659a2ca96ee5e505cc1dc478d30c1572633412 |
2 Console Messages
A page may trigger messages to the console to be logged. These are often error messages about being unable to load a resource or execute a piece of JavaScript. Sometimes they also provide insight into the technology behind a website.
Source | Level | URL Text |
---|
Indicators
This is a term in the security industry to describe indicators such as IPs, Domains, Hashes, etc. This does not imply that any of these indicate malicious activity.
ajax.googleapis.com
app.topicaplus.com
fonts.googleapis.com
oversurvey.com
pushrev.neptuneadspush.com
tinyurl.com
trk.saturnads.com
x.gosuperpromo.com
2606:4700:10::6814:da2a
2606:4700:30::6818:7612
2606:4700:30::681b:ac24
2606:4700:30::681c:19eb
2606:4700:30::681c:2a
2a00:1450:4001:81f::200a
2a00:1450:4001:824::200a
74.118.105.83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