WWW.RTSAK.COM - firstco.com

Search for IP or hostnames:

firstco.com checked at 2025-10-27T04:24:48.318Z 286ms 87/87/87 100% R:14

`firstco.com`

NS	`ns1.firstco.com`
		A	209.39.20.21^{🇺🇸 COGENT}
			PTR	`smtpserver.firstco.com`
NS	`ns2.firstco.com`
		A	209.39.20.22^{🇺🇸 COGENT}
			PTR	`host22.firstco.com`
MX	`d258425a.ess.barracudanetworks.com`
		A	209.222.82.252^{🇺🇸 Amazon}
			PTR	`mail.ess.barracuda.com`
		A	209.222.82.253^{🇺🇸 Amazon}
			PTR	`mail.ess.barracuda.com`
		A	209.222.82.255^{🇺🇸 Amazon}
			PTR	`mail.ess.barracuda.com`
MX	`d258425b.ess.barracudanetworks.com`
		A	209.222.82.252^{🇺🇸 Amazon}
			PTR	`mail.ess.barracuda.com`
		A	209.222.82.253^{🇺🇸 Amazon}
			PTR	`mail.ess.barracuda.com`
		A	209.222.82.255^{🇺🇸 Amazon}
			PTR	`mail.ess.barracuda.com`
A	141.193.213.20^{🇺🇸 Cloudflare London}
A	141.193.213.21^{🇺🇸 Cloudflare London}

`com`

	NS	`a.gtld-servers.net`
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`

Up

ns2.firstco.com

ns1.firstco.com

www.firstco.com

barracuda.firstco.com

Starts with same word

firstco.com

firstco.uk.com

firstco.co.uk

Starts similarily

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forcist.com

AI analysis

firstco.com is a parent of ns2.firstco.com, ns1.firstco.com, www.firstco.com and barracuda.firstco.com.

firstco.com points to two IP numbers: 141.193.213.20 and 141.193.213.21.

Other host names such as vitexsystems.com, highlandeurope.com, quartzbenefits.com, www.bofainternational.com and planningshopintl.com share IPs with firstco.com.

firstco.com is delegated to two name servers: ns1.firstco.com and ns2.firstco.com.

firstco.com uses the same name server setup as other domains, for example ae-air.com.

Host names with a single IP:

ns1.firstco.com points to 209.39.20.21.

ns2.firstco.com points to 209.39.20.22.

firstco.com is handled by two mail servers: d258425a.ess.barracudanetworks.com and d258425b.ess.barracudanetworks.com.

Host names with three IP numbers:

d258425a.ess.barracudanetworks.com points to 209.222.82.252, 209.222.82.253 and 209.222.82.255.

d258425b.ess.barracudanetworks.com points to 209.222.82.252, 209.222.82.253 and 209.222.82.255.

Names that point to 209.222.82.252: d258425a.ess.barracudanetworks.com and d258425b.ess.barracudanetworks.com.

Names that point to 209.222.82.253: d258425a.ess.barracudanetworks.com and d258425b.ess.barracudanetworks.com.

Names that point to 209.222.82.255: d258425a.ess.barracudanetworks.com and d258425b.ess.barracudanetworks.com.

dbq