IPLIST.NET - substack.com
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substack.com checked at 2025-09-22T20:36:33.191Z 241ms 137/137/137 100% R:14substack.com
com
rank #278 in the tld
This domain, "substack.com", is an online platform that provides publishing tools for independent writers and journalists. It allows them to send digital newsletters directly to subscribers. The platform offers a business model that enables writers to monetize their work through subscriptions.
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substack.com is a parent of qbcutomerservicenumber.substack.com, officialhelpcare.substack.com, newsreviews.substack.com, wisdomblend.substack.com, chandanamandawala.substack.com and hundreds of other host names.
substack.com resolves to four IPs: 2606:4700:4400::ac40:9638, 2606:4700:440b::6812:25c8, 104.18.37.200 and 172.64.150.56.
Other host names, for instance caitlinjohnstone.substack.com, officialexpediahelp.substack.com, fun88india.substack.com, dcplanetfr.substack.com and luxembourg.decathlon.be.cdn.cloudflare.net share IP numbers with substack.com.
substack.com has two name servers: ali.ns.cloudflare.com and lee.ns.cloudflare.com.
substack.com shares the same name server setup as other domains, for example vzsp.ru, kafein.org, jkpcoin.com, randompress.net and mndr.be.
substack.com shares some name servers with other domains, for example fourscale.com, austinmoms.com, communionmusic.co.uk, articlequery.com and hillromdifference.com.
These name servers are commonly used with the name servers matteo.ns.cloudflare.com, woz.ns.cloudflare.com, abby.ns.cloudflare.com, dan.ns.cloudflare.com, jeff.ns.cloudflare.com and hank.ns.cloudflare.com.
Host names with six IP numbers: ali.ns.cloudflare.com points to: 2606:4700:50::adf5:3a3b, 2803:f800:50::6ca2:c03b, 2a06:98c1:50::ac40:203b, 108.162.192.59, 172.64.32.59 and 173.245.58.59; lee.ns.cloudflare.com points to: 2606:4700:58::adf5:3b81, 2803:f800:50::6ca2:c181, 2a06:98c1:50::ac40:2181, 108.162.193.129, 172.64.33.129 and 173.245.59.129.
substack.com is served by two mail servers: mxa.mailgun.org and mxb.mailgun.org.
substack.com shares the mail server setup with other domains, for example mason-rose.ca, post.leadhit.ru, z.teachablemail.com, philadelphiavotes.com and greyfell.net.
substack.com shares some mail servers with other domains, at least partially; for instance lokobuzz.com, myoneoffer.com, ihtspirit.com, sitetor.com and ketengo.com.
these mail servers are often used with 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.
Host names with a single IP:
mxa.mailgun.org points to 34.160.63.108
mxb.mailgun.org points to 34.160.157.95