problemputnam.org - robtex.com

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problemputnam.org checked at 2026-01-12T23:12:14.004Z 0ms 110/110/110 100% R:0 allDone:true timedOut:false cfaller:2c243c35/2:e1a2f076:15372:-

`problemputnam.org`

NS	`ns-155.awsdns-19.com`
		A	2600:9000:5300:9b00::1^{🇺🇸 Amazon}
			PTR	`ns-155.awsdns-19.com`
		A	205.251.192.155^{🇺🇸 Amazon}
			PTR	`ns-155.awsdns-19.com`
NS	`ns-809.awsdns-37.net`
		A	2600:9000:5303:2900::1^{🇺🇸 Amazon}
			PTR	`ns-809.awsdns-37.net`
		A	205.251.195.41^{🇺🇸 Amazon}
			PTR	`ns-809.awsdns-37.net`
NS	`ns-1343.awsdns-39.org`
		A	2600:9000:5305:3f00::1^{🇺🇸 Amazon}
			PTR	`ns-1343.awsdns-39.org`
		A	205.251.197.63^{🇺🇸 Amazon}
			PTR	`ns-1343.awsdns-39.org`
NS	`ns-1720.awsdns-23.co.uk`
		A	2600:9000:5306:b800::1^{🇺🇸 Amazon}
			PTR	`ns-1720.awsdns-23.co.uk`
		A	205.251.198.184^{🇺🇸 Amazon}
			PTR	`ns-1720.awsdns-23.co.uk`
A	3.5.16.66^{🇺🇸 Amazon}
		PTR	`s3-website.us-east-1.amazonaws.com`
A	16.15.207.57^{🇺🇸 Amazon}
A	16.15.223.47^{🇺🇸 Amazon}
A	52.217.120.13^{🇺🇸 Amazon}
		PTR	`s3-website-us-east-1.amazonaws.com`
A	52.217.136.157^{🇺🇸 Amazon}
		PTR	`s3-website-us-east-1.amazonaws.com`
A	52.217.161.149^{🇺🇸 Amazon}
		PTR	`s3-website-us-east-1.amazonaws.com`
A	52.217.173.101^{🇺🇸 Amazon}
		PTR	`s3-website-us-east-1.amazonaws.com`
A	54.231.225.61^{🇺🇸 Amazon}
		PTR	`s3-website-us-east-1.amazonaws.com`

Other host names, for instance osbornefarrar.com, agnubawoc.com, antithesis.ai, www.myhopestory.org and mapinfo.com share IP numbers with problemputnam.org.

problemputnam.org at least partially shares its name servers with other domains, for instance spd-hilter.de, 1degree.org, workluky.com, d3r0dhqv5zq7lp.cloudfront.net and saedi.com.