WWW.ROBTEX.COM - mdcalc.com

Search for IP or hostnames:

mdcalc.com checked at 2025-11-10T16:52:55.553Z 559ms 307/307/307 100% R:16 allDone:true timedOut:false

`mdcalc.com`

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	173.194.76.26^{🇺🇸 Google}
			PTR	`ws-in-f26.1e100.net`
NS	`janet.ns.cloudflare.com`
		A	2606:4700:50::adf5:3aa9^{🇺🇸 Cloudflare}
			PTR	`janet.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0a9^{🇨🇷 Cloudflare}
			PTR	`janet.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20a9^{🇺🇸 Cloudflare}
			PTR	`janet.ns.cloudflare.com`
		A	108.162.192.169^{🇺🇸 Cloudflare}
			PTR	`janet.ns.cloudflare.com`
		A	172.64.32.169^{🇺🇸 Cloudflare}
			PTR	`janet.ns.cloudflare.com`
		A	173.245.58.169^{🇺🇸 Cloudflare}
			PTR	`janet.ns.cloudflare.com`
NS	`vick.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bf4^{🇺🇸 Cloudflare}
			PTR	`vick.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1f4^{🇨🇷 Cloudflare}
			PTR	`vick.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21f4^{🇺🇸 Cloudflare}
			PTR	`vick.ns.cloudflare.com`
		A	108.162.193.244^{🇺🇸 Cloudflare}
			PTR	`vick.ns.cloudflare.com`
		A	172.64.33.244^{🇺🇸 Cloudflare}
			PTR	`vick.ns.cloudflare.com`
		A	173.245.59.244^{🇺🇸 Cloudflare}
			PTR	`vick.ns.cloudflare.com`
MX	`aspmx.l.google.com`
		A	2607:f8b0:4004:c09::1b^{🇺🇸 Google}
			PTR	`bh-in-f27.1e100.net`
		A	172.253.63.26^{🇺🇸 Google}
			PTR	`bi-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.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	`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	104.26.6.31^Cloudflare
A	104.26.7.31^Cloudflare
A	172.67.75.135^{🇺🇸 Cloudflare}

`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`

rank #29150 globally
rank #14847 in the tld

Up

api-dev.mdcalc.com

dev.mdcalc.com

ns1.mdcalc.com

cdn-web.mdcalc.com

cdn-web-img.mdcalc.com

ns2.mdcalc.com

api.mdcalc.com

www.mdcalc.com

Starts with same word

mdcalc.com

Starts similarily

laccmd.com

mlccad.com

mdcalc.com

cmlcad.com

mlccad.us

calmdc.com

mlcdac.org

AI analysis

mdcalc.com is the parent of api-dev.mdcalc.com, dev.mdcalc.com, ns1.mdcalc.com, cdn-web.mdcalc.com, cdn-web-img.mdcalc.com and several other host names.

Three IP numbers for mdcalc.com are 104.26.6.31, 104.26.7.31 and 172.67.75.135.

Other host names, for instance comporta.com, stratokey.com, www.demarco.com.uy, dns1.singaporeexpats.com and broom.id share IP numbers with mdcalc.com.

mdcalc.com's delegation is to two name servers janet.ns.cloudflare.com and vick.ns.cloudflare.com.

mdcalc.com shares the same name server configuration as other domains, such as f3bbs.com, staffino.fr, midwestregionalfunding.com, underthebigskyfest.com and lifewisefunding.com.

mdcalc.com at least partially shares its name servers with other domains, for instance lapetitebanane.com, tuuci.com, tresagavesmargarita.com, compplan.codes and parnity.co.

These name servers are commonly used alongside etta.ns.cloudflare.com and denver.ns.cloudflare.com.

Host names with six IP numbers:

janet.ns.cloudflare.com points to: 2606:4700:50::adf5:3aa9, 2803:f800:50::6ca2:c0a9, 2a06:98c1:50::ac40:20a9, 108.162.192.169, 172.64.32.169 and 173.245.58.169.

vick.ns.cloudflare.com points to: 2606:4700:58::adf5:3bf4, 2803:f800:50::6ca2:c1f4, 2a06:98c1:50::ac40:21f4, 108.162.193.244, 172.64.33.244 and 173.245.59.244.

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

mdcalc.com shares some mail servers with other domains, including tierio.de, healthessentials.org, jkwebdesign.ca, westdrake.com and approven.com.

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

Host names with two IPs:

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 173.194.76.26

aspmx.l.google.com points to 2607:f8b0:4004:c09::1b and 172.253.63.26

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

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

Host names that point to 2a00:1450:400b:c02::1a: aspmx2.googlemail.com and alt1.aspmx.l.google.com

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

Host names that point to 2a00:1450:400c:c00::1b: aspmx3.googlemail.com and alt2.aspmx.l.google.com

Host names that point to 173.194.76.26: aspmx3.googlemail.com and alt2.aspmx.l.google.com

dbq