WWW.RTSAK.COM - cs.duolingo.com

Search for IP or hostnames:

cs.duolingo.com checked at 2025-11-11T10:37:26.601Z 299ms 63/63/63 100% R:12 allDone:true timedOut:false

`cs.duolingo.com`

A	3.93.84.192^{🇺🇸 Amazon}
		PTR	`ec2-3-93-84-192.compute-1.amazonaws.com`
A	3.223.126.171^{🇺🇸 Amazon}
		PTR	`ec2-3-223-126-171.compute-1.amazonaws.com`
A	3.224.157.15^{🇺🇸 Amazon}
		PTR	`ec2-3-224-157-15.compute-1.amazonaws.com`
A	3.226.131.130^{🇺🇸 Amazon}
		PTR	`ec2-3-226-131-130.compute-1.amazonaws.com`
A	44.220.121.109^{🇺🇸 Amazon}
		PTR	`ec2-44-220-121-109.compute-1.amazonaws.com`
A	52.1.9.148^{🇺🇸 Amazon}
		PTR	`ec2-52-1-9-148.compute-1.amazonaws.com`
A	54.173.170.10^{🇺🇸 Amazon}
		PTR	`ec2-54-173-170-10.compute-1.amazonaws.com`
A	98.89.218.37^{🇺🇸 Amazon}
		PTR	`ec2-98-89-218-37.compute-1.amazonaws.com`

`duolingo.com`

	NS	`ns-247.awsdns-30.com`
	MX	`aspmx2.googlemail.com`
	MX	`aspmx3.googlemail.com`
	MX	`aspmx4.googlemail.com`
	MX	`aspmx5.googlemail.com`
	NS	`ns-1020.awsdns-63.net`
	NS	`ns-1117.awsdns-11.org`
	MX	`aspmx.l.google.com`
	NS	`ns-1904.awsdns-46.co.uk`
	MX	`alt1.aspmx.l.google.com`
	MX	`alt2.aspmx.l.google.com`
	A	34.193.54.253^{🇺🇸 Amazon}
	A	54.166.29.50^{🇺🇸 Amazon}

rank #1439 globally
rank #804 in the tld

Starts with same word

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Starts similarily

cs.exchange

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cs.ru

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sc.dk

sc.selfip.com

sc.me.uk

cs.pn

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cs.help

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cs.or.at

sc.school

AI analysis

Eight IP numbers are pointed to by cs.duolingo.com: 3.93.84.192, 3.223.126.171, 3.224.157.15, 3.226.131.130, 44.220.121.109, 52.1.9.148, 54.173.170.10 and 98.89.218.37.

Other host names, for instance duolingo-api-ios.duolingo.com, tl.duolingo.com, ro.duolingo.com, es.duolingo.com and forum.duolingo.com share IP numbers with cs.duolingo.com.

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