URL: https://go.nfpa.org/listUnsubscribeHeader/u/14662/ee627de28ef45efeeac536b98a1a1e1207acfc0a2236a8d12ac18fd008de26bb/1...
Submission: On February 03 via api from US — Scanned from DE

Summary

This website contacted 4 IPs in 1 countries across 3 domains to perform 8 HTTP transactions. The main IP is 34.237.219.119, located in Ashburn, United States and belongs to AMAZON-AES, US. The main domain is go.nfpa.org. The Cisco Umbrella rank of the primary domain is 264984.
TLS certificate: Issued by R3 on December 7th 2022. Valid for: 3 months.
This is the only time go.nfpa.org was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
1 34.237.219.119 14618 (AMAZON-AES)
1 2 13.224.189.86 16509 (AMAZON-02)
1 13.225.78.6 16509 (AMAZON-02)
5 52.216.129.35 16509 (AMAZON-02)
8 4
Apex Domain
Subdomains
Transfer
5 amazonaws.com
movableink-assets-production.s3.amazonaws.com — Cisco Umbrella Rank: 39492
26 KB
3 nfpa.org
go.nfpa.org — Cisco Umbrella Rank: 264984
content.mi.nfpa.org — Cisco Umbrella Rank: 339017
4 KB
1 micpn.com
assets.micpn.com — Cisco Umbrella Rank: 11172
53 KB
8 3
Domain Requested by
5 movableink-assets-production.s3.amazonaws.com go.nfpa.org
2 content.mi.nfpa.org 1 redirects go.nfpa.org
1 assets.micpn.com go.nfpa.org
1 go.nfpa.org
8 4

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

Domain
content.mi.nfpa.org
Subject Issuer Validity Valid
go.nfpa.org
R3
2022-12-07 -
2023-03-07
3 months crt.sh
content.mi.nfpa.org
Amazon
2022-12-05 -
2024-01-04
a year crt.sh
*.s3.amazonaws.com
Amazon
2022-09-21 -
2023-08-26
a year crt.sh

This page contains 1 frames:

Primary Page: https://go.nfpa.org/listUnsubscribeHeader/u/14662/ee627de28ef45efeeac536b98a1a1e1207acfc0a2236a8d12ac18fd008de26bb/1753690576
Frame ID: 393D1715E1BC3046797A81DCA94FDED4
Requests: 8 HTTP requests in this frame

Screenshot


Page Statistics

8
Requests

88 %
HTTPS

0 %
IPv6

3
Domains

4
Subdomains

4
IPs

1
Countries

82 kB
Transfer

87 kB
Size

0
Cookies

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 1
  • https://content.mi.nfpa.org/p/rp/3e7ca8d8a8e3ec9e.png?mi_u={{Recipient.Web_User_Id__c}} HTTP 302
  • https://assets.micpn.com/2693/045bee2b-8c10-495b-ac7d-88cd51b0de93/image.jpeg?mi_u=%7B%7BRecipient.Web_User_Id__c%7D%7D

8 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request 1753690576
go.nfpa.org/listUnsubscribeHeader/u/14662/ee627de28ef45efeeac536b98a1a1e1207acfc0a2236a8d12ac18fd008de26bb/
12 KB
3 KB
Document
General
Full URL
https://go.nfpa.org/listUnsubscribeHeader/u/14662/ee627de28ef45efeeac536b98a1a1e1207acfc0a2236a8d12ac18fd008de26bb/1753690576
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
34.237.219.119 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-34-237-219-119.compute-1.amazonaws.com
Software
PardotServer /
Resource Hash
b0c16a650a4047b93834ef9d9d9900932c8b045e46a78d93f9703322d422da24

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.5414.119 Safari/537.36
accept-language
de-DE,de;q=0.9

Response headers

Connection
keep-alive
Content-Length
2472
Content-Type
text/html; charset=utf-8
Date
Fri, 03 Feb 2023 04:23:53 GMT
Server
PardotServer
X-Pardot-Route
e8229a0ff18ebffc83a98010d2521dd5
cache-control
no-store, no-cache, must-revalidate
content-encoding
gzip
expires
Thu, 19 Nov 1981 08:52:00 GMT
p3p
CP="NOI DSP COR CURa ADMa DEVa TAIa OUR BUS IND UNI COM NAV INT", policyref="/w3c/p3p.xml"
pragma
no-cache
referrer-policy
no-referrer
vary
Accept-Encoding,User-Agent
x-pardot-rsp
0/0/1
x-robots-tag
nofollow, noindex
o.gif
content.mi.nfpa.org/p/cp/03cfa7fdb78391d6/
42 B
444 B
Image
General
Full URL
https://content.mi.nfpa.org/p/cp/03cfa7fdb78391d6/o.gif?mi_u={{Recipient.Web_User_Id__c}}
Requested by
Host: go.nfpa.org
URL: https://go.nfpa.org/listUnsubscribeHeader/u/14662/ee627de28ef45efeeac536b98a1a1e1207acfc0a2236a8d12ac18fd008de26bb/1753690576
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.224.189.86 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-13-224-189-86.fra2.r.cloudfront.net
Software
/
Resource Hash
ef1955ae757c8b966c83248350331bd3a30f658ced11f387f8ebf05ab3368629

Request headers

accept-language
de-DE,de;q=0.9
Referer
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.5414.119 Safari/537.36

Response headers

pragma
no-cache
date
Fri, 03 Feb 2023 04:23:53 GMT
via
1.1 d8eef512ab23f23f549b4cd25ac5328c.cloudfront.net (CloudFront)
x-amz-cf-pop
FRA2-C1
x-cache
Miss from cloudfront
content-type
image/gif
access-control-allow-origin
https://app.movableink.com
access-control-expose-headers
X-Error
cache-control
no-store, no-cache, must-revalidate, max-age=0,post-check=0, pre-check=0
content-length
42
x-amz-cf-id
5QUxY3zrWVwTT8AmzG2ibMPV5oluLUWcJfAxeWf3YYGudXQQwEodaw==
x-uuid
80a731ab-e8aa-4332-9711-eef7b5640ece
image.jpeg
assets.micpn.com/2693/045bee2b-8c10-495b-ac7d-88cd51b0de93/
Redirect Chain
  • https://content.mi.nfpa.org/p/rp/3e7ca8d8a8e3ec9e.png?mi_u={{Recipient.Web_User_Id__c}}
  • https://assets.micpn.com/2693/045bee2b-8c10-495b-ac7d-88cd51b0de93/image.jpeg?mi_u=%7B%7BRecipient.Web_User_Id__c%7D%7D
52 KB
53 KB
Image
General
Full URL
https://assets.micpn.com/2693/045bee2b-8c10-495b-ac7d-88cd51b0de93/image.jpeg?mi_u=%7B%7BRecipient.Web_User_Id__c%7D%7D
Requested by
Host: go.nfpa.org
URL: https://go.nfpa.org/listUnsubscribeHeader/u/14662/ee627de28ef45efeeac536b98a1a1e1207acfc0a2236a8d12ac18fd008de26bb/1753690576
Protocol
H2
Server
13.225.78.6 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-13-225-78-6.fra2.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
19edbe7c39d7778c951590266d33d0115a030cfb25185d9bb559b8af7cde5bb9

Request headers

accept-language
de-DE,de;q=0.9
Referer
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.5414.119 Safari/537.36

Response headers

x-amz-version-id
P0IjMSTIbBogN18qRlTClTGfZHNVST9u
date
Fri, 03 Feb 2023 04:23:55 GMT
via
1.1 2afacc6ad96dbba3f0b477cd95f16458.cloudfront.net (CloudFront)
x-amz-cf-pop
FRA2-C2
x-amz-server-side-encryption
AES256
x-cache
RefreshHit from cloudfront
x-amz-replication-status
COMPLETED
content-length
53635
last-modified
Tue, 28 Jun 2022 19:03:00 GMT
server
AmazonS3
etag
"f5a774ac02f283657566f442f34a8029"
access-control-max-age
3000
access-control-allow-methods
GET, PUT, POST
content-type
image/jpeg
access-control-allow-origin
*
access-control-expose-headers
Location
cache-control
public, max-age=1800
accept-ranges
bytes
x-amz-cf-id
m_BGt32MUHuUyV4Gx6x9j2K01vioQjKciPcU2H9CWH5u5WyZ6PYQ9w==

Redirect headers

x-chosen-image-id
6428136
date
Fri, 03 Feb 2023 04:23:53 GMT
via
1.1 d8eef512ab23f23f549b4cd25ac5328c.cloudfront.net (CloudFront)
x-amz-cf-pop
FRA2-C1
x-cache
Miss from cloudfront
p3p
policyref="https://movableink.com/w3c/p3p.xml", CP="DEVa PSAa PSDa IVAa IVDa OUR IND DSP NON COR NAV UNI"
location
https://assets.micpn.com/2693/045bee2b-8c10-495b-ac7d-88cd51b0de93/image.jpeg?mi_u=%7B%7BRecipient.Web_User_Id__c%7D%7D
cache-control
no-cache max-age=0
content-length
0
x-amz-cf-id
bVypiy-93g_rfhdm8XUc6bHFHlpjr3rcjchQK82ynAGiDVHJgr7MWQ==
x-uuid
bffeaeea-6f1a-44b9-8926-76144a64ac54
2693%2Femail_template_assets%2F37d5bb44-72df-4c40-8cd8-a16f16e14bb4%2Ffile-4d9c0b96-5a1a-4cef-9629-b4636fb4bb0d.jpeg
movableink-assets-production.s3.amazonaws.com/
4 KB
5 KB
Image
General
Full URL
https://movableink-assets-production.s3.amazonaws.com/2693%2Femail_template_assets%2F37d5bb44-72df-4c40-8cd8-a16f16e14bb4%2Ffile-4d9c0b96-5a1a-4cef-9629-b4636fb4bb0d.jpeg
Requested by
Host: go.nfpa.org
URL: https://go.nfpa.org/listUnsubscribeHeader/u/14662/ee627de28ef45efeeac536b98a1a1e1207acfc0a2236a8d12ac18fd008de26bb/1753690576
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
52.216.129.35 Ashburn, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
s3-1-w.amazonaws.com
Software
AmazonS3 /
Resource Hash
9af9f480a0ca4c86197d7a041ed9340406f68478afc00310c38da7ee0dda0f9f

Request headers

accept-language
de-DE,de;q=0.9
Referer
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.5414.119 Safari/537.36

Response headers

Date
Fri, 03 Feb 2023 04:23:54 GMT
x-amz-version-id
3fmnJod9A_5WbKAJSd9QbQASddgN05RQ
Last-Modified
Tue, 28 Jun 2022 19:03:07 GMT
Server
AmazonS3
x-amz-request-id
6QTNDPRV1EX1VETT
ETag
"9cfea839dc8b36490160a13e22abf8d4"
x-amz-server-side-encryption
AES256
Content-Type
image/jpeg
Cache-Control
public, max-age=1800
x-amz-replication-status
COMPLETED
Accept-Ranges
bytes
Content-Length
4194
x-amz-id-2
hDCrGeEEDMCvVoDYOD1Mvw+HVpDycfD1TiAL0pXmq2FddoyKjkMlnuLXi9asfuz/jXyYOFlig8k=
2693%2Femail_template_assets%2Fde33ae86-77fc-449e-ab1a-72485168736f%2Ffile-9bc86528-152f-4281-8204-66cec08f0e14.jpeg
movableink-assets-production.s3.amazonaws.com/
6 KB
6 KB
Image
General
Full URL
https://movableink-assets-production.s3.amazonaws.com/2693%2Femail_template_assets%2Fde33ae86-77fc-449e-ab1a-72485168736f%2Ffile-9bc86528-152f-4281-8204-66cec08f0e14.jpeg
Requested by
Host: go.nfpa.org
URL: https://go.nfpa.org/listUnsubscribeHeader/u/14662/ee627de28ef45efeeac536b98a1a1e1207acfc0a2236a8d12ac18fd008de26bb/1753690576
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
52.216.129.35 Ashburn, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
s3-1-w.amazonaws.com
Software
AmazonS3 /
Resource Hash
8f42427280f0a055463cbfb2421b80a6f1438bf4b62cf39afaba11b5d9de07da

Request headers

accept-language
de-DE,de;q=0.9
Referer
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.5414.119 Safari/537.36

Response headers

Date
Fri, 03 Feb 2023 04:23:54 GMT
x-amz-version-id
VyMqM0utpRd_yNNCjvztjeS8hk16w3z1
Last-Modified
Tue, 28 Jun 2022 19:03:10 GMT
Server
AmazonS3
x-amz-request-id
6QTKAEYGPBT2ZVKW
ETag
"96690a7a3f01a615dff45dee597118fc"
x-amz-server-side-encryption
AES256
Content-Type
image/jpeg
Cache-Control
public, max-age=1800
x-amz-replication-status
COMPLETED
Accept-Ranges
bytes
Content-Length
5668
x-amz-id-2
sMyVOZeIU4nRIMGcVNGX5jG9Rm+SeZV4VQMPPgTwhT5abvuZ92MnfYiffwW+lo+wqTZEn7to0o8=
2693%2Femail_template_assets%2F868dba8e-9283-461f-a0ed-9d309decd962%2Ffile-37150f52-e570-412d-a25a-4411d36614c3.jpeg
movableink-assets-production.s3.amazonaws.com/
3 KB
4 KB
Image
General
Full URL
https://movableink-assets-production.s3.amazonaws.com/2693%2Femail_template_assets%2F868dba8e-9283-461f-a0ed-9d309decd962%2Ffile-37150f52-e570-412d-a25a-4411d36614c3.jpeg
Requested by
Host: go.nfpa.org
URL: https://go.nfpa.org/listUnsubscribeHeader/u/14662/ee627de28ef45efeeac536b98a1a1e1207acfc0a2236a8d12ac18fd008de26bb/1753690576
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
52.216.129.35 Ashburn, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
s3-1-w.amazonaws.com
Software
AmazonS3 /
Resource Hash
2421aac380b75a453ca3c8b977194590f08c8a2198997384ceb6640565938bb7

Request headers

accept-language
de-DE,de;q=0.9
Referer
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.5414.119 Safari/537.36

Response headers

Date
Fri, 03 Feb 2023 04:23:54 GMT
x-amz-version-id
auEXsxi3DiTHQf5nvAJ1f2.ntfQsvarL
Last-Modified
Tue, 28 Jun 2022 19:03:08 GMT
Server
AmazonS3
x-amz-request-id
6QTTHY8M0A2G4XGN
ETag
"4b132c5942ae445941b9609e0c925602"
x-amz-server-side-encryption
AES256
Content-Type
image/jpeg
Cache-Control
public, max-age=1800
x-amz-replication-status
COMPLETED
Accept-Ranges
bytes
Content-Length
3105
x-amz-id-2
FWLTFnOWaX6XGAR5Zymu7POk2Oz8pai+YVA5hO7SCaa8p0DSmbuVlDAQjclt9skJ+apJ2zLjOm4=
2693%2Femail_template_assets%2Ff37dbddf-863f-44b4-8dbe-20c6073b155d%2Ffile-aaf13aae-7aa6-4ef1-93b6-5ac3e594de4f.jpeg
movableink-assets-production.s3.amazonaws.com/
4 KB
4 KB
Image
General
Full URL
https://movableink-assets-production.s3.amazonaws.com/2693%2Femail_template_assets%2Ff37dbddf-863f-44b4-8dbe-20c6073b155d%2Ffile-aaf13aae-7aa6-4ef1-93b6-5ac3e594de4f.jpeg
Requested by
Host: go.nfpa.org
URL: https://go.nfpa.org/listUnsubscribeHeader/u/14662/ee627de28ef45efeeac536b98a1a1e1207acfc0a2236a8d12ac18fd008de26bb/1753690576
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
52.216.129.35 Ashburn, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
s3-1-w.amazonaws.com
Software
AmazonS3 /
Resource Hash
fed2c3c2f88431426dc6851af1a9044384bd43d07efd34a77fc1debbc2324cbe

Request headers

accept-language
de-DE,de;q=0.9
Referer
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.5414.119 Safari/537.36

Response headers

Date
Fri, 03 Feb 2023 04:23:54 GMT
x-amz-version-id
tNYvIkX8plzXbuAQqJ8TpHXIus3mfIis
Last-Modified
Tue, 28 Jun 2022 19:03:10 GMT
Server
AmazonS3
x-amz-request-id
6QTQ0KW9MHMQCXVF
ETag
"7b220853accff35126ff31e0a6c0b999"
x-amz-server-side-encryption
AES256
Content-Type
image/jpeg
Cache-Control
public, max-age=1800
x-amz-replication-status
COMPLETED
Accept-Ranges
bytes
Content-Length
3669
x-amz-id-2
Vk/t69dci8Wv/eXwU/0E59CjNm0+uo8X0ekgX0rMgwfAApp5bRvPH6Qs6u7vgPAxIOUfgX8fUX4=
2693%2Femail_template_assets%2Ff37dbddf-863f-44b4-8dbe-20c6073b155d%2Ffile-29194a45-fe2e-4719-94c3-56e8079e1a32.jpeg
movableink-assets-production.s3.amazonaws.com/
7 KB
8 KB
Image
General
Full URL
https://movableink-assets-production.s3.amazonaws.com/2693%2Femail_template_assets%2Ff37dbddf-863f-44b4-8dbe-20c6073b155d%2Ffile-29194a45-fe2e-4719-94c3-56e8079e1a32.jpeg
Requested by
Host: go.nfpa.org
URL: https://go.nfpa.org/listUnsubscribeHeader/u/14662/ee627de28ef45efeeac536b98a1a1e1207acfc0a2236a8d12ac18fd008de26bb/1753690576
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
52.216.129.35 Ashburn, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
s3-1-w.amazonaws.com
Software
AmazonS3 /
Resource Hash
1db6db4da50a6a19c182dbdd22ed8e5708fc99a6fa2a29e05ff6a3a9ce79d061

Request headers

accept-language
de-DE,de;q=0.9
Referer
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.5414.119 Safari/537.36

Response headers

Date
Fri, 03 Feb 2023 04:23:54 GMT
x-amz-version-id
dcASaYNUI2kenZMwr4mx9vbvxrw2fOnX
Last-Modified
Tue, 28 Jun 2022 19:03:10 GMT
Server
AmazonS3
x-amz-request-id
6QTK3ASR78G2ZCMK
ETag
"6e6540aa2de78ecb2a9a2f85240adb81"
x-amz-server-side-encryption
AES256
Content-Type
image/jpeg
Cache-Control
public, max-age=1800
x-amz-replication-status
COMPLETED
Accept-Ranges
bytes
Content-Length
7347
x-amz-id-2
d7asdKXKdR8pT51TBiXdbk0zxfNtLv7fg21Wc3GMNR8mpkXxArZr/Si/SzqzrOanmQDAbFiJozo=

Verdicts & Comments Add Verdict or Comment

1 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| oncontentvisibilityautostatechange

0 Cookies

4 Console Messages

Source Level URL
Text
security warning URL: https://go.nfpa.org/listUnsubscribeHeader/u/14662/ee627de28ef45efeeac536b98a1a1e1207acfc0a2236a8d12ac18fd008de26bb/1753690576
Message:
Mixed Content: The page at 'https://go.nfpa.org/listUnsubscribeHeader/u/14662/ee627de28ef45efeeac536b98a1a1e1207acfc0a2236a8d12ac18fd008de26bb/1753690576' was loaded over HTTPS, but requested an insecure element 'http://content.mi.nfpa.org/p/cp/03cfa7fdb78391d6/o.gif?mi_u={{Recipient.Web_User_Id__c}}'. This request was automatically upgraded to HTTPS, For more information see https://blog.chromium.org/2019/10/no-more-mixed-messages-about-https.html
security warning URL: https://go.nfpa.org/listUnsubscribeHeader/u/14662/ee627de28ef45efeeac536b98a1a1e1207acfc0a2236a8d12ac18fd008de26bb/1753690576
Message:
Mixed Content: The page at 'https://go.nfpa.org/listUnsubscribeHeader/u/14662/ee627de28ef45efeeac536b98a1a1e1207acfc0a2236a8d12ac18fd008de26bb/1753690576' was loaded over HTTPS, but requested an insecure element 'http://content.mi.nfpa.org/p/rp/3e7ca8d8a8e3ec9e.png?mi_u={{Recipient.Web_User_Id__c}}'. This request was automatically upgraded to HTTPS, For more information see https://blog.chromium.org/2019/10/no-more-mixed-messages-about-https.html
security warning URL: https://go.nfpa.org/listUnsubscribeHeader/u/14662/ee627de28ef45efeeac536b98a1a1e1207acfc0a2236a8d12ac18fd008de26bb/1753690576(Line 143)
Message:
Mixed Content: The page at 'https://go.nfpa.org/listUnsubscribeHeader/u/14662/ee627de28ef45efeeac536b98a1a1e1207acfc0a2236a8d12ac18fd008de26bb/1753690576' was loaded over HTTPS, but requested an insecure element 'http://content.mi.nfpa.org/p/cp/03cfa7fdb78391d6/o.gif?mi_u={{Recipient.Web_User_Id__c}}'. This request was automatically upgraded to HTTPS, For more information see https://blog.chromium.org/2019/10/no-more-mixed-messages-about-https.html
security warning URL: https://go.nfpa.org/listUnsubscribeHeader/u/14662/ee627de28ef45efeeac536b98a1a1e1207acfc0a2236a8d12ac18fd008de26bb/1753690576(Line 143)
Message:
Mixed Content: The page at 'https://go.nfpa.org/listUnsubscribeHeader/u/14662/ee627de28ef45efeeac536b98a1a1e1207acfc0a2236a8d12ac18fd008de26bb/1753690576' was loaded over HTTPS, but requested an insecure element 'http://content.mi.nfpa.org/p/rp/3e7ca8d8a8e3ec9e.png?mi_u={{Recipient.Web_User_Id__c}}'. This request was automatically upgraded to HTTPS, For more information see https://blog.chromium.org/2019/10/no-more-mixed-messages-about-https.html