ROBTEX.COM - openstax.org

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openstax.org checked at 2025-12-26T08:27:33.034Z 1340ms 176/176/176 100% R:18 allDone:true timedOut:false cfaller:10357b1d/13:c73c2fe6:18534:undefined

`openstax.org`

	NS	`ns-358.awsdns-44.com`
			A	2600:9000:5301:6600::1^{🇺🇸 Amazon}
				PTR	`ns-358.awsdns-44.com`
			A	205.251.193.102^{🇺🇸 Amazon}
				PTR	`ns-358.awsdns-44.com`
	MX	`aspmx2.googlemail.com`
			A	2607:f8b0:4023:1015::1a^{🇺🇸 Google}
				PTR	`yudfwta-in-f26.1e100.net`
			A	172.253.135.27^{🇺🇸 Google}
				PTR	`yudfwta-in-f27.1e100.net`
	MX	`aspmx3.googlemail.com`
			A	2607:f8b0:4023:3001::1a^{🇺🇸 Google}
				PTR	`yulnkec-in-f26.1e100.net`
			A	172.217.74.27^{🇺🇸 Google}
				PTR	`yulnkec-in-f27.1e100.net`
	MX	`aspmx4.googlemail.com`
			A	2a00:1450:4025:c01::1a^{🇵🇱 Google}
				PTR	`rd-in-f26.1e100.net`
			A	142.250.147.27^{🇺🇸 Google}
				PTR	`rd-in-f27.1e100.net`
	MX	`aspmx5.googlemail.com`
			A	2a00:1450:4010:c20::1b^{🇫🇮 Google}
				PTR	`yulppbn-in-f27.1e100.net`
			A	172.253.130.27^{🇺🇸 Google}
				PTR	`yulppbn-in-f27.1e100.net`
	NS	`ns-602.awsdns-11.net`
			A	2600:9000:5302:5a00::1^{🇺🇸 Amazon}
				PTR	`ns-602.awsdns-11.net`
			A	205.251.194.90^{🇺🇸 Amazon}
				PTR	`ns-602.awsdns-11.net`
	NS	`ns-1195.awsdns-21.org`
			A	2600:9000:5304:ab00::1^{🇺🇸 Amazon}
				PTR	`ns-1195.awsdns-21.org`
			A	205.251.196.171^{🇺🇸 Amazon}
				PTR	`ns-1195.awsdns-21.org`
	MX	`aspmx.l.google.com`
			A	2a00:1450:4009:c0f::1b^{🇬🇧 Google}
				PTR	`yulhrs-in-f27.1e100.net`
			A	192.178.223.26^{🇺🇸 Google}
				PTR	`yulhrs-in-f26.1e100.net`
	NS	`ns-2027.awsdns-61.co.uk`
			A	2600:9000:5307:eb00::1^{🇺🇸 Amazon}
				PTR	`ns-2027.awsdns-61.co.uk`
			A	205.251.199.235^{🇺🇸 Amazon}
				PTR	`ns-2027.awsdns-61.co.uk`
	MX	`alt1.aspmx.l.google.com`
			A	2a00:1450:4025:402::1a^{🇳🇱 Google}
				PTR	`rb-in-f26.1e100.net`
			A	142.250.102.27^{🇺🇸 Google}
				PTR	`rb-in-f27.1e100.net`
	MX	`alt2.aspmx.l.google.com`
			A	2a00:1450:4013:c1e::1b^{🇳🇱 Google}
				PTR	`yugrqzs-in-f27.1e100.net`
			A	192.178.213.26^{🇺🇸 Google}
				PTR	`yugrqzs-in-f26.1e100.net`
	A	99.84.188.30^{🇺🇸 Amazon}
			PTR	`server-99-84-188-30.iad89.r.cloudfront.net`
	A	99.84.188.50^{🇺🇸 Amazon}
			PTR	`server-99-84-188-50.iad89.r.cloudfront.net`
	A	99.84.188.78^{🇺🇸 Amazon}
			PTR	`server-99-84-188-78.iad89.r.cloudfront.net`
	A	99.84.188.119^{🇺🇸 Amazon}
			PTR	`server-99-84-188-119.iad89.r.cloudfront.net`

`org`

	NS	`a0.org.afilias-nst.info`
	NS	`a2.org.afilias-nst.info`
	NS	`c0.org.afilias-nst.info`
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`d0.org.afilias-nst.org`

rank #7018 globally
rank #800 in the tld

Up

www.openstax.org

Starts with same word

openstax.org

openstax.co

openstax.com

openstax.us

openstax.mobi

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openstax.com

AI analysis

The parent of www.openstax.org is openstax.org.

openstax.org maps to four IP numbers: 99.84.188.30, 99.84.188.50, 99.84.188.78 and 99.84.188.119.

Other host names, for instance quiltbasketncreations.com, api.targeting.almamedia.fi, d295j7cy9604tp.cloudfront.net, ajax-amsterdam.fan.at and can3d.can3d.de share IP numbers with openstax.org.

openstax.org's delegation is handled by four name servers: ns-358.awsdns-44.com, ns-602.awsdns-11.net, ns-1195.awsdns-21.org and ns-2027.awsdns-61.co.uk.

openstax.org partially shares name servers with other domains; examples include cornerstoneespresso.com, rkdplatform.com, stackbooster.io, youronlinepsychic.net and sonora.co.id.

These name servers are commonly used alongside ns-1770.awsdns-29.co.uk, ns-262.awsdns-32.com, ns-1461.awsdns-54.org, ns-578.awsdns-08.net, ns-610.awsdns-12.net, ns-1323.awsdns-37.org, ns-1082.awsdns-07.org, ns-323.awsdns-40.com, ns-1699.awsdns-20.co.uk and ns-1184.awsdns-20.org.

Host names with two IPs:

ns-358.awsdns-44.com points to 2600:9000:5301:6600::1 and 205.251.193.102

ns-602.awsdns-11.net points to 2600:9000:5302:5a00::1 and 205.251.194.90

ns-1195.awsdns-21.org points to 2600:9000:5304:ab00::1 and 205.251.196.171

ns-2027.awsdns-61.co.uk points to 2600:9000:5307:eb00::1 and 205.251.199.235

Seven mail servers handle openstax.org: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com, aspmx5.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.

openstax.org shares some mail servers with other domains, at least partially, such as thefariafamily.com, lbaldwin.com, niasa.com, ns500821.ns500821.ns500795.ns500795.ns500794.ns500795.ns500794.ns500794.ns500795.ns500795.lustypartnersfinder.com and dulichvoigiare.com.

These mail servers are often used together with alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

Host names with two IP numbers

aspmx2.googlemail.com has IPs 2607:f8b0:4023:1015::1a and 172.253.135.27.

aspmx3.googlemail.com has IPs 2607:f8b0:4023:3001::1a and 172.217.74.27.

aspmx4.googlemail.com has IPs 2a00:1450:4025:c01::1a and 142.250.147.27.

aspmx5.googlemail.com has IPs 2a00:1450:4010:c20::1b and 172.253.130.27.

aspmx.l.google.com has IPs 2a00:1450:4009:c0f::1b and 192.178.223.26.

alt1.aspmx.l.google.com has IPs 2a00:1450:4025:402::1a and 142.250.102.27.

alt2.aspmx.l.google.com has IPs 2a00:1450:4013:c1e::1b and 192.178.213.26.