DNSWHOIS.INFO - qa.circleback.com

Search for IP or hostnames:

qa.circleback.com checked at 2025-10-09T00:31:13.436Z 196ms 86/86/86 100% R:14

`qa.circleback.com`

NS	`ns-38.awsdns-04.com`
		A	2600:9000:5300:2600::1 ^{🇺🇸 Amazon}
			PTR	`ns-38.awsdns-04.com`
		A	205.251.192.38^{🇺🇸 Amazon}
			PTR	`ns-38.awsdns-04.com`
NS	`ns-688.awsdns-22.net`
		A	2600:9000:5302:b000::1 ^{🇺🇸 Amazon}
			PTR	`ns-688.awsdns-22.net`
		A	205.251.194.176^{🇺🇸 Amazon}
			PTR	`ns-688.awsdns-22.net`
NS	`ns-1435.awsdns-51.org`
		A	2600:9000:5305:9b00::1 ^{🇺🇸 Amazon}
			PTR	`ns-1435.awsdns-51.org`
		A	205.251.197.155^{🇺🇸 Amazon}
			PTR	`ns-1435.awsdns-51.org`
MX	`mail.qa.circleback.com`
		A	52.0.105.248^{🇺🇸 Amazon}
			PTR	`ec2-52-0-105-248.compute-1.amazonaws.com`
NS	`ns-1896.awsdns-45.co.uk`
		A	2600:9000:5307:6800::1 ^{🇺🇸 Amazon}
			PTR	`ns-1896.awsdns-45.co.uk`
		A	205.251.199.104^{🇺🇸 Amazon}
			PTR	`ns-1896.awsdns-45.co.uk`

`circleback.com`

	NS	`ns-61.awsdns-07.com`
	MX	`aspmx2.googlemail.com`
	MX	`aspmx3.googlemail.com`
	NS	`ns-850.awsdns-42.net`
	NS	`ns-1531.awsdns-63.org`
	MX	`aspmx.l.google.com`
	NS	`ns-1857.awsdns-40.co.uk`
	MX	`alt1.aspmx.l.google.com`
	MX	`alt2.aspmx.l.google.com`
	A	141.193.213.10^{🇺🇸 Cloudflare London}
	A	141.193.213.11^{🇺🇸 Cloudflare London}

rank #692437 globally
rank #358024 in the tld

Up

mail.qa.circleback.com

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AI analysis

qa.circleback.com is the parent of mail.qa.circleback.com.

qa.circleback.com is delegated to four name servers: ns-38.awsdns-04.com, ns-688.awsdns-22.net, ns-1435.awsdns-51.org and ns-1896.awsdns-45.co.uk.

qa.circleback.com at least partially shares name servers with other domains, for instance 247.136.200.in-addr.arpa, derbyhotels.net, d10y8g1ick5cyc.cloudfront.net, businessdissolutionjournal.com and sammods.com.

These name servers are often used together with the name servers ns-680.awsdns-21.net, ns-198.awsdns-24.com, ns-1063.awsdns-04.org, ns-624.awsdns-14.net, ns-859.awsdns-43.net, ns-1905.awsdns-46.co.uk, ns-976.awsdns-58.net, ns-933.awsdns-52.net, ns-801.awsdns-36.net and ns-932.awsdns-52.net.

Host names with two IP numbers:

Host name ns-38.awsdns-04.com points to: 2600:9000:5300:2600::1 and 205.251.192.38.

Host name ns-688.awsdns-22.net points to: 2600:9000:5302:b000::1 and 205.251.194.176.

Host name ns-1435.awsdns-51.org points to: 2600:9000:5305:9b00::1 and 205.251.197.155.

Host name ns-1896.awsdns-45.co.uk points to: 2600:9000:5307:6800::1 and 205.251.199.104.

qa.circleback.com is handled by a single mail server, mail.qa.circleback.com.

Host name mail.qa.circleback.com points to IP address 52.0.105.248.

dbq