CF1760363890750-tsm20251012143351

NSLIST.NET - concurrent.co

Search for IP or hostnames:

concurrent.co checked at 2025-10-13T13:58:10.712Z 712ms 126/126/126 100% R:12

concurrent.co

MXaspmx2.googlemail.com
A2a00:1450:400b:c02::1a 🇮🇪 Google
PTRdj-in-f26.1e100.net
A172.253.116.27🇺🇸 Google
PTRdj-in-f27.1e100.net
MXaspmx3.googlemail.com
A2a00:1450:400c:c00::1a 🇧🇪 Google
PTRws-in-f26.1e100.net
PTRws-in-x1a.1e100.net
A173.194.76.27🇺🇸 Google
PTRws-in-f27.1e100.net
NSdns1.registrar-servers.com
A2610:a1:1024::200 🇺🇸 Neustar
PTRdns1.namecheaphosting.com
PTRdns1.registrar-servers.com
A156.154.132.200🇺🇸 Neustar
PTRdns1.namecheaphosting.com
PTRdns1.registrar-servers.com
NSdns2.registrar-servers.com
A2610:a1:1025::200 🇺🇸 Neustar
PTRdns2.namecheaphosting.com
PTRdns2.registrar-servers.com
A156.154.133.200🇺🇸 Neustar
PTRdns2.namecheaphosting.com
PTRdns2.registrar-servers.com
MXaspmx.l.google.com
A2607:f8b0:4004:c19::1a 🇺🇸 Google
PTRbk-in-f26.1e100.net
A172.253.122.26🇺🇸 Google
PTRbh-in-f26.1e100.net
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
A2a00:1450:400c:c00::1b 🇧🇪 Google
PTRws-in-f27.1e100.net
PTRws-in-x1b.1e100.net
A173.194.76.27🇺🇸 Google
PTRws-in-f27.1e100.net
A141.193.213.10🇺🇸 Cloudflare London
A141.193.213.11🇺🇸 Cloudflare London

co

NSa.registrydns.co
NSb.registrydns.co
NSc.registrydns.co
NSd.registrydns.co

Starts with same word

Starts similarily

AI analysis

concurrent.co points to two IP numbers: 141.193.213.10 and 141.193.213.11.

Other host names such as heritagestoneonline.com, franserv.com, transcheminc.com, antiquepurveyor.com and zbrains.net share IPs with concurrent.co.

concurrent.co is delegated to two name servers: dns1.registrar-servers.com and dns2.registrar-servers.com.

concurrent.co shares the same name server setup as thompth.com, biophysicscorp.com, cautiontape.ca, highclimbers.net and holydb.com.

concurrent.co shares name servers with other domains, at least partially, for example cncresolutions.ca, agwinstake.com and b1-2g.com as well as mangamessengers.com.

These name servers are commonly used together with dns3.registrar-servers.com, dns4.registrar-servers.com and dns5.registrar-servers.com.

Host names with two IP numbers: dns1.registrar-servers.com points to: 2610:a1:1024::200 and 156.154.132.200; dns2.registrar-servers.com points to: 2610:a1:1025::200 and 156.154.133.200.

Five mail servers handle concurrent.co: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.

concurrent.co shares at least partially some mail servers with other domains, including lilith.fi, kenttraders.co.uk, entropyunlimited.com, mail.alumetal.ch and chrislaing.net.

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

Host names with two IP numbers

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

The host name aspmx3.googlemail.com points to 2a00:1450:400c:c00::1a and 173.194.76.27

The host name aspmx.l.google.com points to 2607:f8b0:4004:c19::1a and 172.253.122.26

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

The host name alt2.aspmx.l.google.com points to 2a00:1450:400c:c00::1b and 173.194.76.27

Host names that point to 172.253.116.27: aspmx2.googlemail.com and alt1.aspmx.l.google.com

Host names that point to 173.194.76.27: 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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PpVxPsN CF johedugfp 2025-10-13