ROBTEX.COM - openstax.org

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openstax.org checked at 2025-12-25T22:25:21.068Z 537ms 176/176/176 100% R:13 allDone:true timedOut:false cfaller:d093e43a/9:e7047db7:17947:undefined

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::1b🇮🇪 Google
PTRdj-in-f27.1e100.net
A172.253.116.26🇺🇸 Google
PTRdj-in-f26.1e100.net
MXaspmx3.googlemail.com
A2a00:1450:4009:c0f::1a🇬🇧 Google
PTRyulhrs-in-f26.1e100.net
A192.178.223.26🇺🇸 Google
PTRyulhrs-in-f26.1e100.net
MXaspmx4.googlemail.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
MXaspmx5.googlemail.com
A2a00:1450:4025:402::1b🇳🇱 Google
PTRrb-in-f27.1e100.net
A142.250.102.26🇺🇸 Google
PTRrb-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:c1d::1b🇺🇸 Google
PTRww-in-f27.1e100.net
A172.253.62.26🇺🇸 Google
PTRbc-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::1b🇮🇪 Google
PTRdj-in-f27.1e100.net
A172.253.116.27🇺🇸 Google
PTRdj-in-f27.1e100.net
MXalt2.aspmx.l.google.com
A2a00:1450:4009:c0f::1b🇬🇧 Google
PTRyulhrs-in-f27.1e100.net
A192.178.223.27🇺🇸 Google
PTRyulhrs-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

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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, ajax-amsterdam.fan.at, can3d.can3d.de and d3l97hud7wbaln.cloudfront.net 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 points to 2a00:1450:400b:c02::1b and 172.253.116.26.

aspmx3.googlemail.com points to 2a00:1450:4009:c0f::1a and 192.178.223.26.

aspmx4.googlemail.com points to 2a00:1450:400c:c00::1b and 173.194.76.27.

aspmx5.googlemail.com points to 2a00:1450:4025:402::1b and 142.250.102.26.

aspmx.l.google.com points to 2607:f8b0:4004:c1d::1b and 172.253.62.26.

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

alt2.aspmx.l.google.com points to 2a00:1450:4009:c0f::1b and 192.178.223.27.

Hosts pointing to 2a00:1450:400b:c02::1b: aspmx2.googlemail.com, alt1.aspmx.l.google.com.