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Domain > www.challenge.gov
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AlienVault OTX
Is this malicious?
Yes
No
DNS Resolutions
Date
IP Address
2014-11-18
23.11.250.246
(
ClassC
)
2014-11-21
23.201.84.100
(
ClassC
)
2014-12-22
23.194.100.11
(
ClassC
)
2015-01-12
23.61.74.52
(
ClassC
)
2015-01-16
23.194.170.52
(
ClassC
)
2015-01-19
172.225.233.148
(
ClassC
)
2015-03-11
23.65.10.52
(
ClassC
)
2015-03-12
23.197.170.52
(
ClassC
)
2015-04-09
23.223.25.109
(
ClassC
)
2015-06-02
23.220.241.128
(
ClassC
)
2015-06-14
104.67.84.228
(
ClassC
)
2015-08-19
23.72.53.121
(
ClassC
)
2015-10-28
23.9.90.52
(
ClassC
)
2016-01-05
104.79.138.186
(
ClassC
)
2016-02-07
184.29.211.225
(
ClassC
)
2016-02-24
23.193.27.70
(
ClassC
)
2016-03-16
23.194.90.52
(
ClassC
)
2016-04-13
23.218.205.192
(
ClassC
)
2016-04-30
23.194.115.173
(
ClassC
)
2016-06-15
104.106.56.23
(
ClassC
)
2016-06-28
104.106.27.121
(
ClassC
)
2016-06-28
69.192.217.178
(
ClassC
)
2016-06-29
172.225.165.28
(
ClassC
)
2016-08-10
23.197.20.237
(
ClassC
)
2016-09-19
23.4.5.22
(
ClassC
)
2016-10-05
104.107.109.8
(
ClassC
)
2016-10-22
104.113.28.225
(
ClassC
)
2016-11-25
184.24.64.176
(
ClassC
)
2016-12-12
173.222.43.74
(
ClassC
)
2017-01-24
23.63.197.110
(
ClassC
)
2017-03-28
173.222.111.170
(
ClassC
)
2017-04-04
23.33.168.23
(
ClassC
)
2017-04-14
23.4.5.143
(
ClassC
)
2017-04-21
23.64.119.150
(
ClassC
)
2017-04-28
23.197.23.134
(
ClassC
)
2017-07-03
23.197.43.183
(
ClassC
)
2017-07-12
104.92.137.237
(
ClassC
)
2017-09-08
23.65.118.133
(
ClassC
)
2017-09-21
23.206.37.221
(
ClassC
)
2017-09-28
23.39.175.243
(
ClassC
)
2017-10-14
152.195.133.22
(
ClassC
)
2018-09-16
152.195.13.37
(
ClassC
)
2019-06-12
52.222.15.77
(
ClassC
)
2019-06-12
52.222.123.98
(
ClassC
)
2019-06-13
99.84.170.35
(
ClassC
)
2019-06-13
99.84.170.146
(
ClassC
)
2019-06-13
99.84.170.181
(
ClassC
)
2019-06-13
99.84.170.22
(
ClassC
)
2019-07-20
99.86.58.26
(
ClassC
)
2019-07-20
99.86.58.85
(
ClassC
)
2019-07-20
99.86.58.108
(
ClassC
)
2019-07-20
99.86.58.121
(
ClassC
)
2019-08-06
13.33.87.20
(
ClassC
)
2019-08-06
13.33.87.88
(
ClassC
)
2019-08-06
13.33.87.11
(
ClassC
)
2019-08-06
13.33.87.122
(
ClassC
)
2019-08-12
13.249.134.22
(
ClassC
)
2019-08-12
13.249.134.32
(
ClassC
)
2019-08-12
13.249.134.102
(
ClassC
)
2019-08-12
13.249.134.114
(
ClassC
)
2019-09-18
99.84.254.78
(
ClassC
)
2019-09-18
99.84.254.34
(
ClassC
)
2019-09-18
99.84.254.57
(
ClassC
)
2019-09-18
99.84.254.67
(
ClassC
)
2019-09-23
13.224.29.74
(
ClassC
)
2019-10-18
13.249.87.122
(
ClassC
)
2019-10-18
13.249.87.61
(
ClassC
)
2019-10-18
13.249.87.82
(
ClassC
)
2019-10-18
13.249.87.96
(
ClassC
)
2019-11-01
13.226.15.35
(
ClassC
)
2019-11-01
13.226.15.54
(
ClassC
)
2019-11-01
13.226.15.76
(
ClassC
)
2019-11-01
13.226.15.17
(
ClassC
)
2019-11-05
13.227.45.44
(
ClassC
)
2019-11-05
13.227.45.58
(
ClassC
)
2019-11-05
13.227.45.109
(
ClassC
)
2019-11-05
13.227.45.123
(
ClassC
)
2019-11-19
99.84.168.62
(
ClassC
)
2019-11-19
99.84.252.54
(
ClassC
)
2019-11-19
99.84.168.112
(
ClassC
)
2019-11-19
99.84.168.4
(
ClassC
)
2019-11-19
99.84.168.51
(
ClassC
)
2019-12-06
99.84.251.11
(
ClassC
)
2019-12-06
99.84.251.60
(
ClassC
)
2019-12-06
99.84.251.8
(
ClassC
)
2019-12-06
99.84.251.108
(
ClassC
)
2019-12-10
13.226.139.126
(
ClassC
)
2019-12-10
13.226.139.76
(
ClassC
)
2019-12-10
13.226.139.78
(
ClassC
)
2019-12-10
13.226.139.98
(
ClassC
)
2020-02-18
99.86.61.77
(
ClassC
)
2020-02-18
99.86.61.80
(
ClassC
)
2020-02-18
99.86.61.125
(
ClassC
)
2020-02-18
99.86.61.47
(
ClassC
)
2020-03-09
52.85.79.14
(
ClassC
)
2020-03-09
52.85.79.52
(
ClassC
)
2020-03-09
52.85.79.82
(
ClassC
)
2020-03-09
52.85.79.94
(
ClassC
)
2020-03-26
52.85.89.39
(
ClassC
)
2020-03-26
52.85.89.53
(
ClassC
)
2020-03-26
52.85.89.79
(
ClassC
)
2020-03-26
52.85.89.20
(
ClassC
)
2020-04-10
99.86.230.25
(
ClassC
)
2020-04-10
99.86.230.26
(
ClassC
)
2020-04-10
99.86.230.3
(
ClassC
)
2020-04-10
99.86.230.13
(
ClassC
)
2020-04-14
99.84.248.81
(
ClassC
)
2020-04-20
13.227.44.42
(
ClassC
)
2020-04-20
13.227.44.52
(
ClassC
)
2020-04-20
13.227.44.83
(
ClassC
)
2020-04-20
13.227.44.33
(
ClassC
)
2020-05-04
99.84.248.109
(
ClassC
)
2020-05-04
99.84.248.50
(
ClassC
)
2020-05-04
99.84.248.88
(
ClassC
)
2020-05-06
13.249.141.91
(
ClassC
)
2020-05-06
13.249.141.10
(
ClassC
)
2020-05-06
13.249.141.103
(
ClassC
)
2020-05-06
13.249.141.129
(
ClassC
)
2020-06-17
99.84.252.53
(
ClassC
)
2020-06-17
99.84.252.7
(
ClassC
)
2020-06-17
99.84.252.39
(
ClassC
)
2020-06-24
13.226.18.123
(
ClassC
)
2020-06-24
13.226.18.24
(
ClassC
)
2020-06-24
13.226.18.100
(
ClassC
)
2020-06-24
13.226.18.112
(
ClassC
)
2020-07-26
13.226.129.63
(
ClassC
)
2020-07-26
13.226.129.113
(
ClassC
)
2020-07-26
13.226.129.26
(
ClassC
)
2020-07-26
13.226.129.27
(
ClassC
)
2020-08-03
52.84.16.84
(
ClassC
)
2020-08-03
52.84.16.89
(
ClassC
)
2020-08-03
52.84.16.44
(
ClassC
)
2020-08-03
52.84.16.61
(
ClassC
)
2020-08-06
54.230.35.86
(
ClassC
)
2020-08-06
54.230.35.94
(
ClassC
)
2020-08-06
54.230.35.125
(
ClassC
)
2020-08-06
54.230.35.54
(
ClassC
)
2020-09-01
13.224.38.76
(
ClassC
)
2020-09-01
13.224.38.85
(
ClassC
)
2020-09-01
13.224.38.86
(
ClassC
)
2020-09-01
13.224.38.47
(
ClassC
)
2020-09-05
52.84.23.83
(
ClassC
)
2020-09-05
52.84.23.102
(
ClassC
)
2020-09-05
52.84.23.4
(
ClassC
)
2020-09-05
52.84.23.82
(
ClassC
)
2020-10-31
13.227.41.11
(
ClassC
)
2020-10-31
13.227.41.59
(
ClassC
)
2020-10-31
13.227.41.67
(
ClassC
)
2020-10-31
13.227.41.86
(
ClassC
)
2020-11-03
52.84.53.113
(
ClassC
)
2020-11-03
52.84.53.33
(
ClassC
)
2020-11-03
52.84.53.60
(
ClassC
)
2020-11-03
52.84.53.88
(
ClassC
)
2020-12-16
52.84.52.128
(
ClassC
)
2020-12-16
52.84.52.54
(
ClassC
)
2020-12-16
52.84.52.8
(
ClassC
)
2020-12-16
52.84.52.88
(
ClassC
)
2021-01-22
99.84.240.129
(
ClassC
)
2021-01-22
99.84.240.21
(
ClassC
)
2021-01-22
99.84.240.7
(
ClassC
)
2021-01-22
99.84.240.91
(
ClassC
)
2021-02-09
99.84.253.129
(
ClassC
)
2021-02-09
99.84.253.20
(
ClassC
)
2021-02-09
99.84.253.110
(
ClassC
)
2021-02-09
99.84.253.12
(
ClassC
)
2021-02-15
13.226.14.43
(
ClassC
)
2021-02-15
13.226.14.53
(
ClassC
)
2021-02-15
13.226.14.6
(
ClassC
)
2021-02-15
13.226.14.61
(
ClassC
)
2021-03-10
13.226.10.6
(
ClassC
)
2021-03-10
13.226.10.115
(
ClassC
)
2021-03-10
13.226.10.33
(
ClassC
)
2021-03-10
13.226.10.5
(
ClassC
)
2021-04-08
13.226.29.97
(
ClassC
)
2021-04-08
13.226.29.29
(
ClassC
)
2021-04-08
13.226.29.44
(
ClassC
)
2021-04-08
13.226.29.7
(
ClassC
)
2021-04-14
65.8.17.87
(
ClassC
)
2021-04-14
65.8.17.111
(
ClassC
)
2021-04-14
65.8.17.29
(
ClassC
)
2021-04-14
65.8.17.34
(
ClassC
)
2021-04-17
13.249.64.96
(
ClassC
)
2021-04-17
13.249.64.114
(
ClassC
)
2021-04-17
13.249.64.87
(
ClassC
)
2021-04-17
13.249.64.94
(
ClassC
)
2021-05-09
13.226.13.112
(
ClassC
)
2021-05-09
13.226.13.46
(
ClassC
)
2021-05-09
13.226.13.54
(
ClassC
)
2021-05-09
13.226.13.82
(
ClassC
)
2021-05-12
13.225.222.31
(
ClassC
)
2021-05-12
13.225.222.5
(
ClassC
)
2021-05-12
13.225.222.109
(
ClassC
)
2021-05-12
13.225.222.119
(
ClassC
)
2021-05-29
13.226.178.55
(
ClassC
)
2021-05-29
13.226.178.9
(
ClassC
)
2021-05-29
13.226.178.39
(
ClassC
)
2021-05-29
13.226.178.41
(
ClassC
)
2021-06-01
13.226.93.101
(
ClassC
)
2021-06-01
13.226.93.107
(
ClassC
)
2021-06-01
13.226.93.116
(
ClassC
)
2021-06-01
13.226.93.72
(
ClassC
)
2021-06-03
13.249.75.100
(
ClassC
)
2021-06-03
13.249.75.21
(
ClassC
)
2021-06-03
13.249.75.71
(
ClassC
)
2021-06-03
13.249.75.80
(
ClassC
)
2021-06-05
54.230.31.71
(
ClassC
)
2021-06-05
54.230.31.89
(
ClassC
)
2021-06-05
54.230.31.128
(
ClassC
)
2021-06-05
54.230.31.70
(
ClassC
)
2021-06-09
13.226.188.2
(
ClassC
)
2021-06-09
13.226.188.100
(
ClassC
)
2021-06-09
13.226.188.108
(
ClassC
)
2021-06-09
13.226.188.124
(
ClassC
)
2021-07-05
13.249.79.108
(
ClassC
)
2021-07-05
13.249.79.3
(
ClassC
)
2021-07-05
13.249.79.89
(
ClassC
)
2021-07-05
13.249.79.9
(
ClassC
)
2021-09-24
99.84.216.109
(
ClassC
)
2021-09-24
99.84.216.27
(
ClassC
)
2021-09-24
99.84.216.34
(
ClassC
)
2021-09-24
99.84.216.99
(
ClassC
)
2021-10-01
13.225.229.5
(
ClassC
)
2021-10-01
13.225.229.77
(
ClassC
)
2021-10-01
13.225.229.33
(
ClassC
)
2021-10-01
13.225.229.36
(
ClassC
)
2021-10-03
54.192.58.30
(
ClassC
)
2021-10-03
54.192.58.59
(
ClassC
)
2021-10-03
54.192.58.68
(
ClassC
)
2021-10-03
54.192.58.17
(
ClassC
)
2021-11-12
52.222.158.82
(
ClassC
)
2021-11-14
13.249.93.36
(
ClassC
)
2021-11-14
13.249.93.37
(
ClassC
)
2021-11-14
13.249.93.90
(
ClassC
)
2021-11-14
13.249.93.116
(
ClassC
)
2021-12-01
18.67.65.61
(
ClassC
)
2021-12-01
18.67.65.73
(
ClassC
)
2021-12-01
18.67.65.97
(
ClassC
)
2021-12-01
18.67.65.54
(
ClassC
)
2021-12-17
13.226.9.58
(
ClassC
)
2021-12-17
13.226.9.66
(
ClassC
)
2021-12-17
13.226.9.7
(
ClassC
)
2021-12-17
13.226.9.82
(
ClassC
)
2021-12-22
99.84.74.28
(
ClassC
)
2024-05-27
18.65.229.86
(
ClassC
)
2024-08-17
3.161.225.92
(
ClassC
)
2024-10-02
18.65.229.46
(
ClassC
)
2025-01-29
18.65.229.75
(
ClassC
)
2025-07-16
18.65.229.17
(
ClassC
)
2025-07-19
99.84.66.80
(
ClassC
)
2025-09-04
3.163.24.73
(
ClassC
)
2025-10-12
3.163.24.93
(
ClassC
)
2025-12-03
3.163.24.4
(
ClassC
)
2026-03-08
3.163.24.61
(
ClassC
)
Port 80
HTTP/1.1 301 Moved PermanentlyServer: CloudFrontDate: Mon, 23 Sep 2019 02:48:31 GMTContent-Type: text/htmlContent-Length: 183Connection: keep-aliveLocation: https://www.challenge.gov/X-Cache: Redirect html>head>title>301 Moved Permanently/title>/head>body bgcolorwhite>center>h1>301 Moved Permanently/h1>/center>hr>center>CloudFront/center>/body>/html>
Port 443
HTTP/1.1 200 OKContent-Type: text/html; charsetutf-8Transfer-Encoding: chunkedConnection: keep-aliveDate: Mon, 23 Sep 2019 02:48:31 GMTCache-Control: max-age60ETag: W/870e1714ec0410f65b02b2b25b7aafdcL !DOCTYPE html>!--if lt IE 9>html classlt-ie9>!endif-->!--if gt IE 8>!-->html langen>!--!endif--> head> !-- Basic Page Needs --> meta charsetutf-8> meta http-equivX-UA-Compatible contentIEedge> !-- Mobile Specific Metas --> meta nameHandheldFriendly contentTrue> meta nameMobileOptimized content320> meta nameviewport contentwidthdevice-width, initial-scale1.0>!-- Title and meta description --> title>Challenge.gov/title>meta namedescription contentHere, members of the public compete to help the U.S. government solve problems big and small. Browse through challenges and submit your ideas for a chance to win.> meta propertyog:title contentChallenge.gov>meta propertyog:description contentHere, members of the public compete to help the U.S. government solve problems big and small. Browse through challenges and submit your ideas for a chance to win.>meta nametwitter:card valuesummary_large_image>meta nametwitter:site content@{site.twitter}>meta propertyog:image contenthttps://www.challenge.gov/assets/images/cards/challenge-gov.png>meta nametwitter:image contenthttps://www.challenge.gov/assets/images/cards/challenge-gov.png>meta propertyog:type contentarticle>link relcanonical href/>meta propertyog:url content/>!-- Favicons --> !-- 128x128 --> link relshortcut icon typeimage/ico href/assets/uswds/img/us_flag_small.png> link relicon typeimage/png href/assets/uswds/img/favicons/us_flag_small.png> !-- 192x192, as recommended for Android http://updates.html5rocks.com/2014/11/Support-for-theme-color-in-Chrome-39-for-Android --> link relicon typeimage/png sizes192x192 href/assets/uswds/img/us_flag_small.png> !-- 57x57 (precomposed) for iPhone 3GS, pre-2011 iPod Touch and older Android devices --> link relapple-touch-icon-precomposed href/assets/uswds/img/us_flag_small.png> !-- 72x72 (precomposed) for 1st generation iPad, iPad 2 and iPad mini --> link relapple-touch-icon-precomposed sizes72x72 href/assets/uswds/img/us_flag_small.png> !-- 114x114 (precomposed) for iPhone 4, 4S, 5 and post-2011 iPod Touc
Subdomains
Date
Domain
IP
mta-sts.challenge.gov
2025-12-04
159.142.191.107
www.challenge.gov
2019-09-23
13.224.29.74
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Data with thanks to
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,
VirusTotal
,
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and
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