CF1759992610526-tsm20251009061048

WWW.ROBTEX.COM - openstax.org

Search for IP or hostnames:

openstax.org checked at 2025-10-09T06:50:10.509Z 119ms 310/310/310 100% R:8

openstax.org

NSns-358.awsdns-44.com
A2600:9000:5301:6600::1🇺🇸 Amazon
PTRns-358.awsdns-44.com
A205.251.193.102🇺🇸 Amazon
PTRns-358.awsdns-44.com
MXaspmx2.googlemail.com
A2a00:1450:400b:c02::1a🇮🇪 Google
PTRdj-in-f26.1e100.net
A172.253.116.26🇺🇸 Google
PTRdj-in-f26.1e100.net
MXaspmx3.googlemail.com
A2a00:1450:400c:c00::1a🇧🇪 Google
PTRws-in-f26.1e100.net
PTRws-in-x1a.1e100.net
A173.194.76.26🇺🇸 Google
PTRws-in-f26.1e100.net
MXaspmx4.googlemail.com
A2607:f8b0:4001:c70::1b🇺🇸 Google
PTRyucbful-in-f27.1e100.net
A192.178.209.26🇺🇸 Google
PTRyucbful-in-f26.1e100.net
MXaspmx5.googlemail.com
A2607:f8b0:4024:c0d::1b🇺🇸 Google
PTRmj-in-f27.1e100.net
A192.178.152.26🇺🇸 Google
PTRmj-in-f26.1e100.net
NSns-602.awsdns-11.net
A2600:9000:5302:5a00::1🇺🇸 Amazon
PTRns-602.awsdns-11.net
A205.251.194.90🇺🇸 Amazon
PTRns-602.awsdns-11.net
NSns-1195.awsdns-21.org
A2600:9000:5304:ab00::1🇺🇸 Amazon
PTRns-1195.awsdns-21.org
A205.251.196.171🇺🇸 Amazon
PTRns-1195.awsdns-21.org
MXaspmx.l.google.com
A2607:f8b0:4004:c07::1a🇺🇸 Google
PTRbc-in-f26.1e100.net
A142.251.179.26🇺🇸 Google
PTRpd-in-f26.1e100.net
NSns-2027.awsdns-61.co.uk
A2600:9000:5307:eb00::1🇺🇸 Amazon
PTRns-2027.awsdns-61.co.uk
A205.251.199.235🇺🇸 Amazon
PTRns-2027.awsdns-61.co.uk
MXalt1.aspmx.l.google.com
A2a00:1450:400b:c02::1a🇮🇪 Google
PTRdj-in-f26.1e100.net
A172.253.116.27🇺🇸 Google
PTRdj-in-f27.1e100.net
MXalt2.aspmx.l.google.com
A2a00:1450:400c:c00::1b🇧🇪 Google
PTRws-in-f27.1e100.net
PTRws-in-x1b.1e100.net
A173.194.76.27🇺🇸 Google
PTRws-in-f27.1e100.net
A99.84.188.30🇺🇸 Amazon
PTRserver-99-84-188-30.iad89.r.cloudfront.net
A99.84.188.50🇺🇸 Amazon
PTRserver-99-84-188-50.iad89.r.cloudfront.net
A99.84.188.78🇺🇸 Amazon
PTRserver-99-84-188-78.iad89.r.cloudfront.net
A99.84.188.119🇺🇸 Amazon
PTRserver-99-84-188-119.iad89.r.cloudfront.net

org

NSa0.org.afilias-nst.info
NSa2.org.afilias-nst.info
NSc0.org.afilias-nst.info
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSd0.org.afilias-nst.org
rank #7018 globally
rank #800 in the tld

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Starts with same word

Starts similarily

AI analysis

openstax.org is the parent of www.openstax.org.

Four IP numbers are pointed to by openstax.org: 99.84.188.30, 99.84.188.50, 99.84.188.78 and 99.84.188.119.

other host names including quiltbasketncreations.com, theinlab.com, universalpediatricsinc.com, api.targeting.almamedia.fi and milfs24.com share IP numbers with openstax.org.

openstax.org is delegated to 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 at least partially shares name servers with other domains, for instance cornerstoneespresso.com, rkdplatform.com, stackbooster.io, youronlinepsychic.net and payap.com.

These name servers are commonly used with the following name servers: ns-1770.awsdns-29.co.uk, ns-262.awsdns-32.com, ns-1461.awsdns-54.org, ns-578.awsdns-08.net, ns-226.awsdns-28.com, ns-610.awsdns-12.net, ns-1323.awsdns-37.org, ns-649.awsdns-17.net, ns-323.awsdns-40.com and ns-1699.awsdns-20.co.uk.

Host names with two IP numbers:

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.

openstax.org is handled by seven mail servers: 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, for instance thefariafamily.com, lbaldwin.com, niasa.com, littlebossglasses.com and dulichvoigiare.com.

These mail servers are commonly used alongside alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

Host names with two IP numbers:

aspmx2.googlemail.com points to: 2a00:1450:400b:c02::1a and 172.253.116.26

aspmx3.googlemail.com points to: 2a00:1450:400c:c00::1a and 173.194.76.26

aspmx4.googlemail.com points to: 2607:f8b0:4001:c70::1b and 192.178.209.26

aspmx5.googlemail.com points to: 2607:f8b0:4024:c0d::1b and 192.178.152.26

aspmx.l.google.com points to: 2607:f8b0:4004:c07::1a and 142.251.179.26

alt1.aspmx.l.google.com points to: 2a00:1450:400b:c02::1a and 172.253.116.27

alt2.aspmx.l.google.com points to: 2a00:1450:400c:c00::1b and 173.194.76.27

Host names pointing to 2a00:1450:400b:c02::1a: aspmx2.googlemail.com and alt1.aspmx.l.google.com

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
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