problemputnam.org - robtex.com

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problemputnam.org checked at 2026-01-14T14:12:27.408Z 1738ms 110/110/110 100% R:29 allDone:true timedOut:false cfaller:66ce7f66/17:1dddea00:4:17803:-

`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	16.15.185.142^{🇺🇸 Amazon}
A	16.15.207.80^{🇺🇸 Amazon}
A	52.216.10.66^{🇺🇸 Amazon}
		PTR	`s3-website-us-east-1.amazonaws.com`
A	52.216.43.133^{🇺🇸 Amazon}
		PTR	`s3-website-us-east-1.amazonaws.com`
A	52.216.78.35^{🇺🇸 Amazon}
		PTR	`s3-website-us-east-1.amazonaws.com`
A	52.216.205.202^{🇺🇸 Amazon}
		PTR	`s3-website-us-east-1.amazonaws.com`
A	54.231.168.53^{🇺🇸 Amazon}
		PTR	`s3-website-us-east-1.amazonaws.com`
A	54.231.197.181^{🇺🇸 Amazon}
		PTR	`s3-website-us-east-1.amazonaws.com`

problemputnam.org

problemputnam.org

Other host names, for instance greycat.net, code-mindful.com, www.asianaudience.com, www.amenityune.com and supercell.fi share IP numbers with problemputnam.org.

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

Host names with two IP numbers: