Submitted URL: https://rtb.mfadsrvr.com/sync?ssp=onetag&ssp_user_id=UtP642cZSwVl-NLx7Q5MYYjWg7doxBrS8J2lTtAprm0&gdpr=1&gdpr_consent=
Effective URL: https://rtb.mfadsrvr.com/ul_cb/sync?ssp=onetag&ssp_user_id=UtP642cZSwVl-NLx7Q5MYYjWg7doxBrS8J2lTtAprm0&gdpr=1&gdpr_consent=
Submission: On November 07 via api from CH — Scanned from NL

Summary

This website contacted 1 IPs in 1 countries across 1 domains to perform 1 HTTP transactions. The main IP is 34.1.250.35, located in Groningen, Netherlands and belongs to GOOGLE, US. The main domain is rtb.mfadsrvr.com. The Cisco Umbrella rank of the primary domain is 994.
TLS certificate: Issued by DigiCert Global G2 TLS RSA SHA256 202... on August 31st 2025. Valid for: 3 months.
This is the only time rtb.mfadsrvr.com was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
1 2 34.1.250.35 15169 (GOOGLE)
1 1
Apex Domain
Subdomains
Transfer
2 mfadsrvr.com
rtb.mfadsrvr.com — Cisco Umbrella Rank: 994
483 B
1 1
Domain Requested by
2 rtb.mfadsrvr.com 1 redirects
1 1

This site contains no links.

Subject Issuer Validity Valid
rtb.mfadsrvr.com
DigiCert Global G2 TLS RSA SHA256 2020 CA1
2025-08-31 -
2025-11-28
3 months crt.sh

This page contains 1 frames:

Primary Page: https://rtb.mfadsrvr.com/ul_cb/sync?ssp=onetag&ssp_user_id=UtP642cZSwVl-NLx7Q5MYYjWg7doxBrS8J2lTtAprm0&gdpr=1&gdpr_consent=
Frame ID: AD2759DC468593CD9D99DD6E7B8F43B8
Requests: 1 HTTP requests in this frame

Screenshot


Page URL History Show full URLs

Page Statistics

1
Requests

100 %
HTTPS

0 %
IPv6

1
Domains

1
Subdomains

1
IPs

1
Countries

0 kB
Transfer

0 kB
Size

3
Cookies

Page URL History

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


Redirected requests

There were HTTP redirect chains for the following requests:

1 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request sync
rtb.mfadsrvr.com/ul_cb/
Redirect Chain
  • https://rtb.mfadsrvr.com/sync?ssp=onetag&ssp_user_id=UtP642cZSwVl-NLx7Q5MYYjWg7doxBrS8J2lTtAprm0&gdpr=1&gdpr_consent=
  • https://rtb.mfadsrvr.com/ul_cb/sync?ssp=onetag&ssp_user_id=UtP642cZSwVl-NLx7Q5MYYjWg7doxBrS8J2lTtAprm0&gdpr=1&gdpr_consent=
0
0
Document
General
Full URL
https://rtb.mfadsrvr.com/ul_cb/sync?ssp=onetag&ssp_user_id=UtP642cZSwVl-NLx7Q5MYYjWg7doxBrS8J2lTtAprm0&gdpr=1&gdpr_consent=
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
34.1.250.35 Groningen, Netherlands, ASN15169 (GOOGLE, US),
Reverse DNS
35.250.1.34.bc.googleusercontent.com
Software
/
Resource Hash

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.36

Response headers

alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
cache-control
no-cache, no-store, must-revalidate
content-type
text/html; charset=UTF-8
date
Fri, 07 Nov 2025 04:11:35 GMT
via
1.1 google

Redirect headers

alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
cache-control
no-cache, no-store, must-revalidate
content-length
0
date
Fri, 07 Nov 2025 04:11:35 GMT
location
https://rtb.mfadsrvr.com/ul_cb/sync?ssp=onetag&ssp_user_id=UtP642cZSwVl-NLx7Q5MYYjWg7doxBrS8J2lTtAprm0&gdpr=1&gdpr_consent=
via
1.1 google

Verdicts & Comments Add Verdict or Comment

0 JavaScript Window variables

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

3 Cookies

Domain/Path Name / Value
.mfadsrvr.com/ Name: tuuid
Value: 7a51c739-903d-4c6b-88c9-e90ff37e8800
.mfadsrvr.com/ Name: c
Value: 1762488695
.mfadsrvr.com/ Name: tuuid_lu
Value: 1762488695

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.

rtb.mfadsrvr.com
34.1.250.35