WWW.RTSAK.COM - opentextbook.org

Search for IP or hostnames:

opentextbook.org checked at 2025-10-05T01:01:32.193Z 208ms 108/108/108 100% R:13

`opentextbook.org`

NS	`ns1.namebrightdns.com`
		A	2600:1f18:683a:ae1a:825a:d1a5:f442:e975 ^{🇺🇸 Amazon}
		A	2600:1f18:683a:ae1b:df6a:242d:75f2:cf21 ^{🇺🇸 Amazon}
		A	3.90.212.101^{🇺🇸 Amazon}
			PTR	`ec2-3-90-212-101.compute-1.amazonaws.com`
		A	54.175.233.126^{🇺🇸 Amazon}
			PTR	`ec2-54-175-233-126.compute-1.amazonaws.com`
NS	`ns2.namebrightdns.com`
		A	2600:1f18:683a:ae1a:c5a3:8bd8:dc6a:405c ^{🇺🇸 Amazon}
		A	2600:1f18:683a:ae1b:3338:c909:6ecf:6115 ^{🇺🇸 Amazon}
		A	54.234.93.138^{🇺🇸 Amazon}
			PTR	`ec2-54-234-93-138.compute-1.amazonaws.com`
		A	54.236.236.150^{🇺🇸 Amazon}
			PTR	`ec2-54-236-236-150.compute-1.amazonaws.com`
MX	`mail1.namebrightmail.com`
		A	66.35.35.26^{🇺🇸 Iron Mountain Data Centers (fka IO Data Centers)}
			PTR	`mail1.namebrightmail.com`
MX	`mail2.namebrightmail.com`
		A	66.35.35.28^{🇺🇸 Iron Mountain Data Centers (fka IO Data Centers)}
			PTR	`mail2.namebrightmail.com`
A	2600:1f18:4ae:c607:d1d9:565f:b122:bfdb ^{🇺🇸 Amazon}
A	2600:1f18:4ae:c608:83f8:2f9c:4a61:7b6a ^{🇺🇸 Amazon}
A	52.44.244.98^{🇺🇸 Amazon}
		PTR	`ec2-52-44-244-98.compute-1.amazonaws.com`
A	54.165.131.183^{🇺🇸 Amazon}
		PTR	`ec2-54-165-131-183.compute-1.amazonaws.com`

`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`

Starts with same word

opentextbook.org

opentextbook.com

opentextbook.ca

opentextbook.site

Starts similarily

opentextbook.org

opentextbook.com

opentextbook.ca

opentextbook.site

AI analysis

opentextbook.org resolves to four IPs: 2600:1f18:4ae:c607:d1d9:565f:b122:bfdb, 2600:1f18:4ae:c608:83f8:2f9c:4a61:7b6a, 52.44.244.98 and 54.165.131.183.

Other host names such as tooww.com, allstarpartyrentals.com, mikiz.com, glassattractions.com and visitingthebahamas.com share IP numbers with opentextbook.org.

opentextbook.org is delegated to two name servers: ns1.namebrightdns.com and ns2.namebrightdns.com.

opentextbook.org uses the same name server setup as other domains, including usereco.com, legissimo.com, ns4.hellofarmers.com, chochas.hostingsiteforfree.com and deckernet.com.

Host names with four IPs

ns1.namebrightdns.com points to: 2600:1f18:683a:ae1a:825a:d1a5:f442:e975, 2600:1f18:683a:ae1b:df6a:242d:75f2:cf21, 3.90.212.101 and 54.175.233.126

ns2.namebrightdns.com points to: 2600:1f18:683a:ae1a:c5a3:8bd8:dc6a:405c, 2600:1f18:683a:ae1b:3338:c909:6ecf:6115, 54.234.93.138 and 54.236.236.150

opentextbook.org is handled by two mail servers: mail1.namebrightmail.com and mail2.namebrightmail.com.

opentextbook.org uses the same mail server setup as other domains, for instance 141sale.com, mebella.com, investfl.com, artsumie.com and seguel.com.

Some mail servers are shared between opentextbook.org and other domains, for instance crocmex.com.

Hostnames with a single IP

mail1.namebrightmail.com resolves to: 66.35.35.26.

mail2.namebrightmail.com resolves to: 66.35.35.28.

dbq