DNSWHOIS.INFO - 42courses.com

Search for IP or hostnames:

42courses.com checked at 2025-10-27T09:34:07.974Z 307ms 153/153/153 100% R:15

`42courses.com`

NS	`ns1.dnsimple.com`
		A	2400:cb00:2049:1::a29f:1804 ^{🇺🇸 Cloudflare}
			PTR	`ns1.dnsimple.com`
		A	162.159.24.4^Cloudflare
			PTR	`ns1.dnsimple.com`
NS	`ns2.dnsimple.com`
		A	2620:111:8005::53 ^{🇺🇸 AS32771}
		A	199.247.153.53^{🇺🇸 AS32771}
NS	`ns3.dnsimple.com`
		A	2400:cb00:2049:1::a29f:1a04 ^{🇺🇸 Cloudflare}
			PTR	`ns3.dnsimple.com`
		A	162.159.26.4^Cloudflare
			PTR	`ns3.dnsimple.com`
NS	`ns4.dnsimple.com`
		A	2620:111:8007::53 ^{🇺🇸 AS32771}
		A	199.247.155.53^{🇺🇸 AS32771}
MX	`aspmx.l.google.com`
		A	2607:f8b0:4004:c17::1b ^{🇺🇸 Google}
			PTR	`bl-in-f27.1e100.net`
		A	142.251.163.27^{🇺🇸 Google}
			PTR	`wv-in-f27.1e100.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	2a00:1450:400c: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`
MX	`alt3.aspmx.l.google.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	`alt4.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`
A	3.33.249.164^{🇺🇸 Amazon}
		PTR	`aa415c6ca9a0cf0bf.awsglobalaccelerator.com`
A	15.197.253.240^{🇺🇸 Amazon}
		PTR	`aa415c6ca9a0cf0bf.awsglobalaccelerator.com`
A	52.223.53.203^{🇺🇸 Amazon}
		PTR	`aac3fde1e70d827ee.awsglobalaccelerator.com`
A	99.83.185.157^{🇺🇸 Amazon}
		PTR	`aac3fde1e70d827ee.awsglobalaccelerator.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`

Starts with same word

42courses.com

Starts similarily

42courses.com

courses24.net

AI analysis

42courses.com resolves to four IPs: 3.33.249.164, 15.197.253.240, 52.223.53.203 and 99.83.185.157.

Other host names, for instance lively-passionflower-9mxdf8shkrhtz3l9n7x4x2h1.herokudns.com, api.sandbox.mytwido.com.herokudns.com, taxx.lu, modern-hawthorn-1b36xno0y5u1rz6rc5mawdal.herokudns.com and alejandropalomes.com share IP numbers with 42courses.com.

42courses.com is delegated to four name servers: ns1.dnsimple.com, ns2.dnsimple.com, ns3.dnsimple.com and ns4.dnsimple.com.

42courses.com shares some name servers with other domains, for example elevenm.com.au, comfortmaxx.net, balsallheathhistory.co.uk, westwoodlodge.com.au and settlersystems.com.

These name servers are commonly used together with ns4.dnsimple-edge.org and ns2.dnsimple-edge.net.

Host names with two IP numbers

Two IPs per host:

ns1.dnsimple.com points to 2400:cb00:2049:1::a29f:1804 and 162.159.24.4

ns2.dnsimple.com points to 2620:111:8005::53 and 199.247.153.53

ns3.dnsimple.com points to 2400:cb00:2049:1::a29f:1a04 and 162.159.26.4

ns4.dnsimple.com points to 2620:111:8007::53 and 199.247.155.53

42courses.com is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

42courses.com shares some mail servers with other domains, at least partially; for instance agent4naples.com, jessicabeauty.com, comaser.cl, pd-solutions.com and equityspotlight.com.

these mail servers are commonly used alongside aspmx2.googlemail.com and aspmx3.googlemail.com.

Host names with two IPs:

- aspmx.l.google.com points to 2607:f8b0:4004:c17::1b and 142.251.163.27

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

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

- alt3.aspmx.l.google.com points to 2a00:1450:4025:402::1b and 142.250.102.27

- alt4.aspmx.l.google.com points to 2a00:1450:4013:c1e::1b and 192.178.213.26

Host names that point to 2a00:1450:4013:c1e::1b: alt1.aspmx.l.google.com and alt4.aspmx.l.google.com

Host names that point to 192.178.213.26: alt1.aspmx.l.google.com and alt4.aspmx.l.google.com

dbq