IPLIST.NET - openctf.com

Search for IP or hostnames:

openctf.com checked at 2025-09-13T01:07:12.351Z 1014ms 153/153/153 100% R:14

`openctf.com`

MX	`aspmx2.googlemail.com`
		A	2a00:1450:400b:c02::1b ^{🇮🇪 Google}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.26^{🇺🇸 Google}
			PTR	`dj-in-f26.1e100.net`
MX	`aspmx3.googlemail.com`
		A	2a00:1450:400c:c00::1b ^{🇧🇪 Google}
			PTR	`ws-in-f27.1e100.net`
			PTR	`ws-in-x1b.1e100.net`
		A	173.194.76.26^{🇺🇸 Google}
			PTR	`ws-in-f26.1e100.net`
NS	`ns1.he.net`
		A	2001:470:100::2 ^{🇺🇸 Hurricane Electric}
			PTR	`ns1.he.net`
		A	216.218.130.2^{🇺🇸 Hurricane Electric}
			PTR	`ns1.he.net`
NS	`ns2.he.net`
		A	2001:470:200::2 ^{🇺🇸 Hurricane Electric}
			PTR	`ns2.he.net`
		A	216.218.131.2^{🇺🇸 Hurricane Electric}
			PTR	`ns2.he.net`
NS	`ns3.he.net`
		A	2001:470:300::2 ^{🇺🇸 Hurricane Electric}
			PTR	`ns3.he.net`
		A	216.218.132.2^{🇺🇸 Hurricane Electric}
			PTR	`ns3.he.net`
NS	`ns4.he.net`
		A	2001:470:400::2 ^{🇺🇸 Hurricane Electric}
			PTR	`ns4.he.net`
		A	216.66.1.2^{🇺🇸 Hurricane Electric}
			PTR	`ns4.he.net`
NS	`ns5.he.net`
		A	2001:470:500::2 ^{🇺🇸 Hurricane Electric}
			PTR	`ns5.he.net`
		A	216.66.80.18^{🇺🇸 Hurricane Electric}
			PTR	`ns5.he.net`
MX	`aspmx.l.google.com`
		A	2607:f8b0:4004:c09::1b ^{🇺🇸 Google}
			PTR	`bh-in-f27.1e100.net`
		A	142.251.179.27^{🇺🇸 Google}
			PTR	`pd-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`
		A	2a00:1450:400b:c02::1b ^{🇮🇪 Google}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.27^{🇺🇸 Google}
			PTR	`dj-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`
		A	2a00:1450:400c:c00::1b ^{🇧🇪 Google}
			PTR	`ws-in-f27.1e100.net`
			PTR	`ws-in-x1b.1e100.net`
		A	173.194.76.26^{🇺🇸 Google}
			PTR	`ws-in-f26.1e100.net`
A	2a05:d018:c8b:6900:9efb:4720:b690:5228 ^{🇮🇪 Amazon}
A	52.18.145.92^{🇮🇪 Amazon}
		PTR	`ec2-52-18-145-92.eu-west-1.compute.amazonaws.com`

`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

www.openctf.com

Starts with same word

openctf.com

Starts similarily

opentfc.com

foncept.com

openctf.com

AI analysis

The parent of www.openctf.com is openctf.com.

openctf.com points to two IP numbers: 2a05:d018:c8b:6900:9efb:4720:b690:5228 and 52.18.145.92.

For example, IP numbers are shared between ec2-52-18-145-92.eu-west-1.compute.amazonaws.com and other host names like openctf.com.

Five name servers, ns1.he.net, ns2.he.net, ns3.he.net, ns4.he.net, and ns5.he.net, are delegated to openctf.com.

The domain openctf.com shares its name servers at least partially with other domains such as 246.76.185.in-addr.arpa, landofhaze.net, usworkers.com, lhyde.com, and irmacos.net.

ns1.he.net, 2001:470:100::2, and 216.218.130.2 are interconnected.

ns2.he.net, 2001:470:200::2, and 216.218.131.2 are interconnected.

ns3.he.net, 2001:470:300::2, and 216.218.132.2 are interconnected.

ns4.he.net, 2001:470:400::2, and 216.66.1.2 are interconnected.

ns5.he.net, 2001:470:500::2, and 216.66.80.18 are interconnected.

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

Some mail servers are shared, at least partially, by openctf.com with other domains like businessdatacodes.com, universal-publishers.com, saleduck.com.my, emagroupsrl.it, and xinstec.com.

The mail servers aspmx4.googlemail.com, aspmx5.googlemail.com, alt3.aspmx.l.google.com, and alt4.aspmx.l.google.com are frequently utilized in conjunction.

aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com, and alt2.aspmx.l.google.com all point to two IP numbers each: 2a00:1450:400b:c02::1b and 172.253.116.26, 2a00:1450:400c:c00::1b and 173.194.76.26, 2607:f8b0:4004:c09::1b and 142.251.179.27, 2a00:1450:400b:c02::1b and 172.253.116.27, 2a00:1450:400c:c00::1b and 173.194.76.26 respectively.

dbq