CF1760032030594-tsm20251009080619

WWW.RTSAK.COM - open-book.org

Search for IP or hostnames:

open-book.org checked at 2025-10-09T17:47:10.566Z 472ms 168/168/168 100% R:11

open-book.org

NSlaura.ns.cloudflare.com
A2606:4700:50::adf5:3ab7 🇺🇸 Cloudflare
PTRlaura.ns.cloudflare.com
A2803:f800:50::6ca2:c0b7 🇨🇷 Cloudflare
PTRlaura.ns.cloudflare.com
A2a06:98c1:50::ac40:20b7 🇺🇸 Cloudflare
PTRlaura.ns.cloudflare.com
A108.162.192.183🇺🇸 Cloudflare
PTRlaura.ns.cloudflare.com
A172.64.32.183🇺🇸 Cloudflare
PTRlaura.ns.cloudflare.com
A173.245.58.183🇺🇸 Cloudflare
PTRlaura.ns.cloudflare.com
NSnitin.ns.cloudflare.com
A2606:4700:58::adf5:3bd7 🇺🇸 Cloudflare
PTRnitin.ns.cloudflare.com
A2803:f800:50::6ca2:c1d7 🇨🇷 Cloudflare
PTRnitin.ns.cloudflare.com
A2a06:98c1:50::ac40:21d7 🇺🇸 Cloudflare
PTRnitin.ns.cloudflare.com
A108.162.193.215🇺🇸 Cloudflare
PTRnitin.ns.cloudflare.com
A172.64.33.215🇺🇸 Cloudflare
PTRnitin.ns.cloudflare.com
A173.245.59.215🇺🇸 Cloudflare
PTRnitin.ns.cloudflare.com
MXaspmx.l.google.com
A2a00:1450:400c:c1f::1a 🇧🇪 Google
PTRwi-in-f26.1e100.net
A64.233.167.27🇺🇸 Google
PTRwl-in-f27.1e100.net
MXalt1.aspmx.l.google.com
A2a00:1450:4013:c1e::1a 🇳🇱 Google
PTRyugrqzs-in-f26.1e100.net
A192.178.213.27🇺🇸 Google
PTRyugrqzs-in-f27.1e100.net
MXalt2.aspmx.l.google.com
A2607:f8b0:4001:c70::1b 🇺🇸 Google
PTRyucbful-in-f27.1e100.net
A192.178.209.26🇺🇸 Google
PTRyucbful-in-f26.1e100.net
MXalt3.aspmx.l.google.com
A2a00:1450:4010:c0e::1a 🇫🇮 Google
PTRlu-in-f26.1e100.net
PTRlu-in-x1a.1e100.net
A74.125.131.26🇺🇸 Google
PTRlu-in-f26.1e100.net
MXalt4.aspmx.l.google.com
A2404:6800:4003:c06::1b 🇸🇬 Google
PTRsm-in-f27.1e100.net
A142.250.4.27🇺🇸 Google
PTRsm-in-f27.1e100.net
A2606:4700:3034::ac43:8e90 🇺🇸 Cloudflare
A2606:4700:3035::6815:4f42 🇺🇸 Cloudflare
A104.21.79.66 Cloudflare
A172.67.142.144🇺🇸 Cloudflare

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

Starts with same word

Starts similarily

AI analysis

open-book.org maps to four IP numbers: 2606:4700:3034::ac43:8e90, 2606:4700:3035::6815:4f42, 104.21.79.66 and 172.67.142.144.

Other host names such as www.tualkota.go.id.cdn.cloudflare.net, united-oil-products.com, btctoken.exchange, asiatek.redsun43078.workers.dev and www.boostervolume.com share IPs with open-book.org.

Two name servers laura.ns.cloudflare.com and nitin.ns.cloudflare.com handle the delegation for open-book.org.

open-book.org shares the same name server setup as other domains, for example federaciondelasindustriascreativas.com, hippoedit.com, solidus.io, devour.asia and armyairfieldkingmanmuseum.com.

open-book.org at least partially shares name servers with other domains, for example ak.country, qwscene.net, latestuploads.net, mwec.com.au and indeed.pk.

these name servers commonly pair with augustus.ns.cloudflare.com, carter.ns.cloudflare.com, cass.ns.cloudflare.com and rodney.ns.cloudflare.com.

Host names with six IP numbers:

laura.ns.cloudflare.com points to 2606:4700:50::adf5:3ab7, 2803:f800:50::6ca2:c0b7, 2a06:98c1:50::ac40:20b7, 108.162.192.183, 172.64.32.183 and 173.245.58.183.

nitin.ns.cloudflare.com points to 2606:4700:58::adf5:3bd7, 2803:f800:50::6ca2:c1d7, 2a06:98c1:50::ac40:21d7, 108.162.193.215, 172.64.33.215 and 173.245.59.215.

open-book.org is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

open-book.org shares at least partially some mail servers with other domains, for instance questlight.net, humble.ca, znc.com.br, fleezyart.com and feedus.net.

These mail servers are often used with aspmx2.googlemail.com and aspmx3.googlemail.com.

Host names with two IP numbers

Each host name points to two IP numbers:

aspmx.l.google.com points to 2a00:1450:400c:c1f::1a and 64.233.167.27

alt1.aspmx.l.google.com points to 2a00:1450:4013:c1e::1a and 192.178.213.27

alt2.aspmx.l.google.com points to 2607:f8b0:4001:c70::1b and 192.178.209.26

alt3.aspmx.l.google.com points to 2a00:1450:4010:c0e::1a and 74.125.131.26

alt4.aspmx.l.google.com points to 2404:6800:4003:c06::1b and 142.250.4.27

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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