ROBTEX.COM - sharedtask.duolingo.com

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sharedtask.duolingo.com checked at 2025-12-27T09:43:54.448Z 144ms 64/64/64 100% R:12 allDone:true timedOut:false cfaller:63b18958/26:002755be:15883:undefined

`sharedtask.duolingo.com`

CNAME	`duolingo.github.io`
A	2606:50c0:8000::153^{🇺🇸 Fastly}
A	2606:50c0:8001::153^{🇺🇸 Fastly}
A	2606:50c0:8002::153^{🇺🇸 Fastly}
A	2606:50c0:8003::153^{🇺🇸 Fastly}
A	185.199.108.153^{🇺🇸 Fastly}
		PTR	`cdn-185-199-108-153.github.com`
A	185.199.109.153^{🇺🇸 Fastly}
		PTR	`cdn-185-199-109-153.github.com`
A	185.199.110.153^{🇺🇸 Fastly}
		PTR	`cdn-185-199-110-153.github.com`
A	185.199.111.153^{🇺🇸 Fastly}
		PTR	`cdn-185-199-111-153.github.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	3.219.123.159^{🇺🇸 Amazon}
	A	44.218.116.20^{🇺🇸 Amazon}

rank #1439 globally
rank #804 in the tld

AI analysis

sharedtask.duolingo.com resolves to eight IP numbers: 2606:50c0:8000::153, 2606:50c0:8001::153, 2606:50c0:8002::153, 2606:50c0:8003::153, 185.199.108.153, 185.199.109.153, 185.199.110.153 and 185.199.111.153.

Other host names such as www.biabl.github.io, questionableengineering.com, vzaccaria.github.io, oliverh22.github.io and airception.com share IPs with sharedtask.duolingo.com.