CF1762541565174-tsm20251105200708

WWW.ROBTEX.COM - openstax.org

Search for IP or hostnames:

openstax.org checked at 2025-11-07T18:52:45.124Z 463ms 318/318/318 100% R:13

openstax.org

NSns-358.awsdns-44.com
A2600:9000:5301:6600::1๐Ÿ‡บ๐Ÿ‡ธ Amazon
PTRns-358.awsdns-44.com
A205.251.193.102๐Ÿ‡บ๐Ÿ‡ธ Amazon
PTRns-358.awsdns-44.com
MXaspmx2.googlemail.com
A2a00:1450:400b:c02::1a๐Ÿ‡ฎ๐Ÿ‡ช Google
PTRdj-in-f26.1e100.net
A172.253.116.27๐Ÿ‡บ๐Ÿ‡ธ Google
PTRdj-in-f27.1e100.net
MXaspmx3.googlemail.com
A2a00:1450:4025:c01::1a๐Ÿ‡ต๐Ÿ‡ฑ Google
PTRrd-in-f26.1e100.net
A142.250.147.27๐Ÿ‡บ๐Ÿ‡ธ Google
PTRrd-in-f27.1e100.net
MXaspmx4.googlemail.com
A2a00:1450:4025:402::1a๐Ÿ‡ณ๐Ÿ‡ฑ Google
PTRrb-in-f26.1e100.net
A142.250.102.27๐Ÿ‡บ๐Ÿ‡ธ Google
PTRrb-in-f27.1e100.net
MXaspmx5.googlemail.com
A2a00:1450:4013:c1e::1a๐Ÿ‡ณ๐Ÿ‡ฑ Google
PTRyugrqzs-in-f26.1e100.net
A192.178.213.26๐Ÿ‡บ๐Ÿ‡ธ Google
PTRyugrqzs-in-f26.1e100.net
NSns-602.awsdns-11.net
A2600:9000:5302:5a00::1๐Ÿ‡บ๐Ÿ‡ธ Amazon
PTRns-602.awsdns-11.net
A205.251.194.90๐Ÿ‡บ๐Ÿ‡ธ Amazon
PTRns-602.awsdns-11.net
NSns-1195.awsdns-21.org
A2600:9000:5304:ab00::1๐Ÿ‡บ๐Ÿ‡ธ Amazon
PTRns-1195.awsdns-21.org
A205.251.196.171๐Ÿ‡บ๐Ÿ‡ธ Amazon
PTRns-1195.awsdns-21.org
MXaspmx.l.google.com
A2a00:1450:400c:c0d::1a๐Ÿ‡ง๐Ÿ‡ช Google
PTRwf-in-f26.1e100.net
A74.125.133.27๐Ÿ‡บ๐Ÿ‡ธ Google
PTRwo-in-f27.1e100.net
NSns-2027.awsdns-61.co.uk
A2600:9000:5307:eb00::1๐Ÿ‡บ๐Ÿ‡ธ Amazon
PTRns-2027.awsdns-61.co.uk
A205.251.199.235๐Ÿ‡บ๐Ÿ‡ธ Amazon
PTRns-2027.awsdns-61.co.uk
MXalt1.aspmx.l.google.com
A2a00:1450:4013:c1e::1a๐Ÿ‡ณ๐Ÿ‡ฑ Google
PTRyugrqzs-in-f26.1e100.net
A192.178.213.26๐Ÿ‡บ๐Ÿ‡ธ Google
PTRyugrqzs-in-f26.1e100.net
MXalt2.aspmx.l.google.com
A2a00:1450:4025:c01::1b๐Ÿ‡ต๐Ÿ‡ฑ Google
PTRrd-in-f27.1e100.net
A142.250.147.27๐Ÿ‡บ๐Ÿ‡ธ Google
PTRrd-in-f27.1e100.net
A99.84.188.30๐Ÿ‡บ๐Ÿ‡ธ Amazon
PTRserver-99-84-188-30.iad89.r.cloudfront.net
A99.84.188.50๐Ÿ‡บ๐Ÿ‡ธ Amazon
PTRserver-99-84-188-50.iad89.r.cloudfront.net
A99.84.188.78๐Ÿ‡บ๐Ÿ‡ธ Amazon
PTRserver-99-84-188-78.iad89.r.cloudfront.net
A99.84.188.119๐Ÿ‡บ๐Ÿ‡ธ 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

Up

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 officefriends.cdn.evostore.io, quiltbasketncreations.com, theinlab.com, taramd.com and dinitlab.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 sonora.co.id.

Name servers commonly used together include 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-649.awsdns-17.net and ns-323.awsdns-40.com.

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 172.253.116.27.

aspmx3.googlemail.com points to: 2a00:1450:4025:c01::1a and 142.250.147.27.

aspmx4.googlemail.com points to: 2a00:1450:4025:402::1a and 142.250.102.27.

aspmx5.googlemail.com points to: 2a00:1450:4013:c1e::1a and 192.178.213.26.

aspmx.l.google.com points to: 2a00:1450:400c:c0d::1a and 74.125.133.27.

alt1.aspmx.l.google.com points to: 2a00:1450:4013:c1e::1a and 192.178.213.26.

alt2.aspmx.l.google.com points to: 2a00:1450:4025:c01::1b and 142.250.147.27.

Hosts that point to 142.250.147.27: aspmx3.googlemail.com and alt2.aspmx.l.google.com.

Hosts that point to 2a00:1450:4013:c1e::1a: aspmx5.googlemail.com and alt1.aspmx.l.google.com.

Hosts that point to 192.178.213.26: aspmx5.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.
dbq