CF1759555806224-tsm20251003185623

WWW.RTSAK.COM - rf.challengeu.ca

Search for IP or hostnames:

rf.challengeu.ca checked at 2025-10-04T05:30:06.195Z 752ms 143/143/143 100% R:14

rf.challengeu.ca

CNAMEdafmfa4tohu25.cloudfront.net
NSns-190.awsdns-23.com
A2600:9000:5300:be00::1 🇺🇸 Amazon
PTRns-190.awsdns-23.com
A205.251.192.190🇺🇸 Amazon
PTRns-190.awsdns-23.com
NSns-865.awsdns-44.net
A2600:9000:5303:6100::1 🇺🇸 Amazon
PTRns-865.awsdns-44.net
A205.251.195.97🇺🇸 Amazon
PTRns-865.awsdns-44.net
NSns-1138.awsdns-14.org
A2600:9000:5304:7200::1 🇺🇸 Amazon
PTRns-1138.awsdns-14.org
A205.251.196.114🇺🇸 Amazon
PTRns-1138.awsdns-14.org
NSns-1638.awsdns-12.co.uk
A2600:9000:5306:6600::1 🇺🇸 Amazon
PTRns-1638.awsdns-12.co.uk
A205.251.198.102🇺🇸 Amazon
PTRns-1638.awsdns-12.co.uk
A2600:9000:27c5:200:2:be87:9b40:93a1 🇺🇸 Amazon
A2600:9000:27c5:1400:2:be87:9b40:93a1 🇺🇸 Amazon
A2600:9000:27c5:2400:2:be87:9b40:93a1 🇺🇸 Amazon
A2600:9000:27c5:b000:2:be87:9b40:93a1 🇺🇸 Amazon
A2600:9000:27c5:ba00:2:be87:9b40:93a1 🇺🇸 Amazon
A2600:9000:27c5:ce00:2:be87:9b40:93a1 🇺🇸 Amazon
A2600:9000:27c5:e600:2:be87:9b40:93a1 🇺🇸 Amazon
A2600:9000:27c5:f400:2:be87:9b40:93a1 🇺🇸 Amazon
A3.167.56.7🇺🇸 Amazon
PTRserver-3-167-56-7.iad61.r.cloudfront.net
A3.167.56.15🇺🇸 Amazon
PTRserver-3-167-56-15.iad61.r.cloudfront.net
A3.167.56.17🇺🇸 Amazon
PTRserver-3-167-56-17.iad61.r.cloudfront.net
A3.167.56.80🇺🇸 Amazon
PTRserver-3-167-56-80.iad61.r.cloudfront.net

challengeu.ca

NSns-338.awsdns-42.com
MXaspmx2.googlemail.com
MXaspmx3.googlemail.com
NSns-728.awsdns-27.net
NSns-1384.awsdns-45.org
MXaspmx.l.google.com
NSns-1865.awsdns-41.co.uk
MXalt1.aspmx.l.google.com
MXalt2.aspmx.l.google.com
A3.167.88.11🇺🇸 Amazon
A3.167.88.81🇺🇸 Amazon
A3.167.88.120🇺🇸 Amazon
A3.167.88.126🇺🇸 Amazon

Starts with same word

Starts similarily

AI analysis

rf.challengeu.ca maps to twelve IP numbers: 2600:9000:27c5:200:2:be87:9b40:93a1, 2600:9000:27c5:1400:2:be87:9b40:93a1, 2600:9000:27c5:2400:2:be87:9b40:93a1, 2600:9000:27c5:b000:2:be87:9b40:93a1, 2600:9000:27c5:ba00:2:be87:9b40:93a1, 2600:9000:27c5:ce00:2:be87:9b40:93a1, 2600:9000:27c5:e600:2:be87:9b40:93a1, 2600:9000:27c5:f400:2:be87:9b40:93a1, 3.167.56.7, 3.167.56.15, 3.167.56.17 and 3.167.56.80.

other host names include api.icitizen.com, danmas-world.jp, d3p316xlxgt27x.cloudfront.net, gibanet.com.br and d3uqhe5i8878uk.cloudfront.net; they share IP numbers with rf.challengeu.ca.

rf.challengeu.ca delegates to four name servers: ns-190.awsdns-23.com, ns-865.awsdns-44.net, ns-1138.awsdns-14.org and ns-1638.awsdns-12.co.uk.

rf.challengeu.ca at least partially shares name servers with other domains, for instance kotlinlang.org, d3dsoki3cjegzd.cloudfront.net, artbybr.com, d3ev6kggsb1qte.cloudfront.net and efacademy.it.

These name servers are commonly used with ns-702.awsdns-23.net, ns-1886.awsdns-43.co.uk, ns-1071.awsdns-05.org, ns-1777.awsdns-30.co.uk, ns-294.awsdns-36.com, ns-302.awsdns-37.com, ns-501.awsdns-62.com, ns-797.awsdns-35.net and ns-900.awsdns-48.net.

Host names with two IP numbers: ns-190.awsdns-23.com points to 2600:9000:5300:be00::1 and 205.251.192.190; ns-865.awsdns-44.net points to 2600:9000:5303:6100::1 and 205.251.195.97; ns-1138.awsdns-14.org points to 2600:9000:5304:7200::1 and 205.251.196.114; ns-1638.awsdns-12.co.uk points to 2600:9000:5306:6600::1 and 205.251.198.102.

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
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DMdQEia CF johedugfp 2025-10-04