CF1759754907668-tsm20251005211530

DNSWHOIS.INFO - rcosecurity.us

Search for IP or hostnames:

rcosecurity.us checked at 2025-10-06T12:48:27.619Z 321ms 121/121/121 100% R:15

rcosecurity.us

MXaspmx2.googlemail.com
A2a00:1450:400b:c02::1b 🇮🇪 Google
PTRdj-in-f27.1e100.net
A172.253.116.27🇺🇸 Google
PTRdj-in-f27.1e100.net
MXaspmx3.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
MXaspmx.l.google.com
A2607:f8b0:4004:c17::1b 🇺🇸 Google
PTRbl-in-f27.1e100.net
A142.251.179.26🇺🇸 Google
PTRpd-in-f26.1e100.net
NSns.phx5.nearlyfreespeech.net
A2607:ff18:80:53::5 🇺🇸 GridFury
PTRns.phx5.nearlyfreespeech.net
A208.94.116.129🇺🇸 GridFury
PTRns.phx5.nearlyfreespeech.net
NSns.phx7.nearlyfreespeech.net
A2607:ff18:80:53::7 🇺🇸 GridFury
PTRns.phx7.nearlyfreespeech.net
A208.94.117.1🇺🇸 GridFury
PTRns.phx7.nearlyfreespeech.net
MXalt1.aspmx.l.google.com
A2a00:1450:400b:c02::1b 🇮🇪 Google
PTRdj-in-f27.1e100.net
A172.253.116.26🇺🇸 Google
PTRdj-in-f26.1e100.net
MXalt2.aspmx.l.google.com
A2a00:1450:400c:c00::1b 🇧🇪 Google
PTRws-in-f27.1e100.net
PTRws-in-x1b.1e100.net
A173.194.76.26🇺🇸 Google
PTRws-in-f26.1e100.net
A45.40.149.159🇺🇸 AS398787
PTR159.149.40.45.host.secureserver.net

us

NSb.cctld.us
NSf.cctld.us
NSk.cctld.us
NSm.cctld.us
NSn.cctld.us
NSw.cctld.us
NSx.cctld.us
NSy.cctld.us

Starts with same word

Starts similarily

AI analysis

rcosecurity.us resolves to one IP number: 45.40.149.159.

Other host names, for instance tincherdc.com, ldreeves.com, act-austin.com, emercient.com and marlotec.com share IP numbers with rcosecurity.us.

rcosecurity.us's delegation uses two name servers: ns.phx5.nearlyfreespeech.net and ns.phx7.nearlyfreespeech.net.

rcosecurity.us uses the same name server setup as other domains, such as maxlang.name, getapricot.com, madebyevan.com, routebox.net and not-just-embedded.com.

rcosecurity.us at least partially shares name servers with other domains, including makeitfrom.com, ablewasi.com, mapeditor.org, internetdevilry.com and ratschoice.com.

These name servers are commonly used with ns.phx4.nearlyfreespeech.net, ns.phx8.nearlyfreespeech.net, ns.phx3.nearlyfreespeech.net, ns.phx6.nearlyfreespeech.net, ns.phx2.nearlyfreespeech.net and ns.phx1.nearlyfreespeech.net.

Host names with two IPs:

ns.phx5.nearlyfreespeech.net points to 2607:ff18:80:53::5 and 208.94.116.129

ns.phx7.nearlyfreespeech.net points to 2607:ff18:80:53::7 and 208.94.117.1

rcosecurity.us is handled by five mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.

rcosecurity.us shares at least some mail servers with other domains, for example iso400.se, tamraspradlin.com, sts9.com, adattare.com.br and psakim.org.

these mail servers are often used with aspmx4.googlemail.com, aspmx5.googlemail.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

Hosts with two IP numbers:

aspmx2.googlemail.com points to: 2a00:1450:400b:c02::1b and 172.253.116.27.

aspmx3.googlemail.com points to: 2a00:1450:400c:c00::1b and 173.194.76.27.

aspmx.l.google.com points to: 2607:f8b0:4004:c17::1b and 142.251.179.26.

alt1.aspmx.l.google.com points to: 2a00:1450:400b:c02::1b and 172.253.116.26.

alt2.aspmx.l.google.com points to: 2a00:1450:400c:c00::1b and 173.194.76.26.

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

Hosts pointing to 2a00:1450:400c:c00::1b: aspmx3.googlemail.com and alt2.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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CCxuuCl CF johedugfp 2025-10-06