ROBTEX.COM - letsencrypt.s3.amazonaws.com

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letsencrypt.s3.amazonaws.com checked at 2025-12-24T18:45:40.681Z 1799ms 138/138/138 100% R:21 allDone:true timedOut:false

`letsencrypt.s3.amazonaws.com`

	CNAME	`s3-3-w.amazonaws.com`
	NS	`ns-299.awsdns-37.com`
			A	2600:9000:5301:2b00::1^{🇺🇸 Amazon}
				PTR	`ns-299.awsdns-37.com`
			A	205.251.193.43^{🇺🇸 Amazon}
				PTR	`ns-299.awsdns-37.com`
	NS	`ns-687.awsdns-21.net`
			A	2600:9000:5302:af00::1^{🇺🇸 Amazon}
				PTR	`ns-687.awsdns-21.net`
			A	205.251.194.175^{🇺🇸 Amazon}
				PTR	`ns-687.awsdns-21.net`
	NS	`ns-1425.awsdns-50.org`
			A	2600:9000:5305:9100::1^{🇺🇸 Amazon}
				PTR	`ns-1425.awsdns-50.org`
			A	205.251.197.145^{🇺🇸 Amazon}
				PTR	`ns-1425.awsdns-50.org`
	NS	`ns-1573.awsdns-04.co.uk`
			A	2600:9000:5306:2500::1^{🇺🇸 Amazon}
				PTR	`ns-1573.awsdns-04.co.uk`
			A	205.251.198.37^{🇺🇸 Amazon}
				PTR	`ns-1573.awsdns-04.co.uk`
	A	3.5.67.245^{🇮🇪 Amazon}
			PTR	`s3-website.eu-west-1.amazonaws.com`
	A	3.5.68.65^{🇮🇪 Amazon}
			PTR	`s3-w.eu-west-1.amazonaws.com`
	A	3.5.69.45^{🇮🇪 Amazon}
	A	3.5.69.54^{🇮🇪 Amazon}
	A	52.92.19.169^{🇺🇸 Amazon}
			PTR	`s3-3-w.amazonaws.com`
	A	52.92.35.57^{🇮🇪 Amazon}
			PTR	`s3-3-w.amazonaws.com`
	A	52.92.36.137^{🇮🇪 Amazon}
			PTR	`s3-3-w.amazonaws.com`
	A	52.218.1.138^{🇮🇪 Amazon}
			PTR	`s3-3-w.amazonaws.com`

`s3.amazonaws.com`

	NS	`ns-63.awsdns-07.com`
	NS	`ns-771.awsdns-32.net`
	NS	`ns-1300.awsdns-34.org`
	NS	`ns-1579.awsdns-05.co.uk`
	A	16.15.176.193^{🇺🇸 Amazon}
	A	16.15.179.24^{🇺🇸 Amazon}
	A	16.15.185.175^{🇺🇸 Amazon}
	A	16.182.73.136^{🇺🇸 Amazon}
	A	52.216.213.128^{🇺🇸 Amazon}
	A	52.216.222.64^{🇺🇸 Amazon}
	A	52.217.201.104^{🇺🇸 Amazon}
	A	54.231.236.128^{🇺🇸 Amazon}

Up

testing.letsencrypt.s3.amazonaws.com

Starts with same word

letsencrypt.com

letsencrypt.io

letsencrypt.eu.com

letsencrypt.s3.amazonaws.com

letsencrypt.email

letsencrypt.de

letsencrypt.net

letsencrypt.org

letsencrypt.cc

letsencrypt.jp

letsencrypt.us

Starts similarily

letsencrypt.org

letsencrypt.cc

letsencrypt.jp

letsencrypt.us

letsencrypt.com

letsencrypt.io

letsencrypt.eu.com

letsencrypt.s3.amazonaws.com

letsencrypt.email

letsencrypt.de

letsencrypt.net

AI analysis

letsencrypt.s3.amazonaws.com is the parent of testing.letsencrypt.s3.amazonaws.com.

Eight IP numbers are targeted by letsencrypt.s3.amazonaws.com: 3.5.67.245, 3.5.68.65, 3.5.69.45, 3.5.69.54, 52.92.19.169, 52.92.35.57, 52.92.36.137 and 52.218.1.138.

Other host names, for instance s3-3-w.amazonaws.com, share IP numbers with letsencrypt.s3.amazonaws.com.

letsencrypt.s3.amazonaws.com is delegated to four name servers: ns-299.awsdns-37.com, ns-687.awsdns-21.net, ns-1425.awsdns-50.org and ns-1573.awsdns-04.co.uk.

letsencrypt.s3.amazonaws.com at least partially shares name servers with other domains, for instance axisbase.net, d3l5kqzip91o6t.cloudfront.net, d1a5gl5gxfy8r5.cloudfront.net, freeonlinegames.com.au and aws-cof-fs-core-pub-prd-waf-uw2.capitalonegslbex.com.

These name servers are commonly used alongside ns-45.awsdns-05.com, ns-1087.awsdns-07.org, ns-1772.awsdns-29.co.uk, ns-1301.awsdns-34.org, ns-320.awsdns-40.com and ns-288.awsdns-36.com.

Host names with two IP numbers:

ns-299.awsdns-37.com points to 2600:9000:5301:2b00::1 and 205.251.193.43; ns-687.awsdns-21.net points to 2600:9000:5302:af00::1 and 205.251.194.175; ns-1425.awsdns-50.org points to 2600:9000:5305:9100::1 and 205.251.197.145; ns-1573.awsdns-04.co.uk points to 2600:9000:5306:2500::1 and 205.251.198.37.