WWW.RTSAK.COM - checkpoint.cz

Search for IP or hostnames:

checkpoint.cz checked at 2025-10-16T05:13:12.767Z 607ms 142/142/142 100% R:13

`checkpoint.cz`

MX	`aspmx2.googlemail.com`
		A	2a00:1450:400b:c02::1a ^{🇮🇪 Google}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.27^{🇺🇸 Google}
			PTR	`dj-in-f27.1e100.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	173.194.76.27^{🇺🇸 Google}
			PTR	`ws-in-f27.1e100.net`
MX	`aspmx4.googlemail.com`
		A	2a00:1450:4025:402::1b ^{🇳🇱 Google}
			PTR	`rb-in-f27.1e100.net`
		A	142.250.102.27^{🇺🇸 Google}
			PTR	`rb-in-f27.1e100.net`
MX	`aspmx5.googlemail.com`
		A	2a00:1450:4013:c1e::1b ^{🇳🇱 Google}
			PTR	`yugrqzs-in-f27.1e100.net`
		A	192.178.213.27^{🇺🇸 Google}
			PTR	`yugrqzs-in-f27.1e100.net`
NS	`ns1.regzone.cz`
		A	2a00:19a0:3:71:0:d9c6:710a:1 ^{🇨🇿 ZONER-AS}
			PTR	`ns1.regzone.cz`
		A	217.198.113.10^{🇨🇿 ZONER-AS}
			PTR	`ns1.regzone.cz`
NS	`ns1.regzone.de`
		A	2600:3c02::f03c:91ff:fedb:a6e7 ^{🇺🇸 Linode AS63949}
			PTR	`ns1.regzone.de`
		A	23.92.29.43^{🇺🇸 Linode AS63949}
			PTR	`ns1.regzone.de`
NS	`ns1.regzone.info`
		A	2001:1528:147::10 ^{🇨🇿 Casablanca INT a.s.}
			PTR	`ns1.regzone.info`
		A	81.0.233.10^{🇨🇿 Casablanca INT a.s.}
			PTR	`ns1.regzone.info`
MX	`aspmx.l.google.com`
		A	2a00:1450:400c:c1d::1b ^{🇧🇪 Google}
			PTR	`wh-in-f27.1e100.net`
		A	108.177.15.26^{🇺🇸 Google}
			PTR	`wr-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`
		A	2a00:1450:4013:c1e::1b ^{🇳🇱 Google}
			PTR	`yugrqzs-in-f27.1e100.net`
		A	192.178.213.26^{🇺🇸 Google}
			PTR	`yugrqzs-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`
		A	2a00:1450:4025:c01::1b ^{🇵🇱 Google}
			PTR	`rd-in-f27.1e100.net`
		A	142.250.147.27^{🇺🇸 Google}
			PTR	`rd-in-f27.1e100.net`
A	209.87.209.38^{🇺🇸 CPST}
		PTR	`checkpoint.cz`

`cz`

	NS	`a.ns.nic.cz`
	NS	`b.ns.nic.cz`
	NS	`c.ns.nic.cz`
	NS	`d.ns.nic.cz`

PTR for

38.209.87.209.in-addr.arpa

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AI analysis

checkpoint.cz points to a single IP number: 209.87.209.38.

The delegation for checkpoint.cz is handled by three name servers: ns1.regzone.cz, ns1.regzone.de and ns1.regzone.info.

checkpoint.cz at least partially shares name servers with other domains, for instance ok-steel.eu, sdh-humpolec.cz, forsia.cz, alveno.cz and algocc.com.

Two IP numbers per host:

ns1.regzone.cz points to 2a00:19a0:3:71:0:d9c6:710a:1 and 217.198.113.10.

ns1.regzone.de points to 2600:3c02::f03c:91ff:fedb:a6e7 and 23.92.29.43.

ns1.regzone.info points to 2001:1528:147::10 and 81.0.233.10.

checkpoint.cz is handled by seven mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com, aspmx5.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.

checkpoint.cz shares mail servers with other domains at least in part, for instance helpling.com.sg, rcanto.com, talktothecamera.com, trinequest.net and ddl-distillery.com.

these mail servers are often used with alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

Two IP numbers per host:

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

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

aspmx4.googlemail.com points to 2a00:1450:4025:402::1b and 142.250.102.27.

aspmx5.googlemail.com points to 2a00:1450:4013:c1e::1b and 192.178.213.27.

aspmx.l.google.com points to 2a00:1450:400c:c1d::1b and 108.177.15.26.

alt1.aspmx.l.google.com points to 2a00:1450:4013:c1e::1b and 192.178.213.26.

alt2.aspmx.l.google.com points to 2a00:1450:4025:c01::1b and 142.250.147.27.

Hosts pointing to 2a00:1450:4013:c1e::1b: aspmx5.googlemail.com and alt1.aspmx.l.google.com.

dbq