MXLIST.NET - substack.com
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substack.com checked at 2025-10-17T21:51:21.057Z 323ms 137/137/137 100% R:15substack.com
| MX | mxa.mailgun.org | ||||||
| A | 34.160.13.42đēđ¸ Google | ||||||
| PTR | 42.13.160.34.bc.googleusercontent.com | ||||||
| MX | mxb.mailgun.org | ||||||
| A | 34.160.13.42đēđ¸ Google | ||||||
| PTR | 42.13.160.34.bc.googleusercontent.com | ||||||
| NS | ali.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3a3b đēđ¸ Cloudflare | ||||||
| PTR | ali.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c03b đ¨đˇ Cloudflare | ||||||
| PTR | ali.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:203b đēđ¸ Cloudflare | ||||||
| PTR | ali.ns.cloudflare.com | ||||||
| A | 108.162.192.59đēđ¸ Cloudflare | ||||||
| PTR | ali.ns.cloudflare.com | ||||||
| A | 172.64.32.59đēđ¸ Cloudflare | ||||||
| PTR | ali.ns.cloudflare.com | ||||||
| A | 173.245.58.59đēđ¸ Cloudflare | ||||||
| PTR | ali.ns.cloudflare.com | ||||||
| NS | lee.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3b81 đēđ¸ Cloudflare | ||||||
| PTR | lee.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c181 đ¨đˇ Cloudflare | ||||||
| PTR | lee.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2181 đēđ¸ Cloudflare | ||||||
| PTR | lee.ns.cloudflare.com | ||||||
| A | 108.162.193.129đēđ¸ Cloudflare | ||||||
| PTR | lee.ns.cloudflare.com | ||||||
| A | 172.64.33.129đēđ¸ Cloudflare | ||||||
| PTR | lee.ns.cloudflare.com | ||||||
| A | 173.245.59.129đēđ¸ Cloudflare | ||||||
| PTR | lee.ns.cloudflare.com | ||||||
| A | 2606:4700:4400::ac40:9638 đēđ¸ Cloudflare | ||||||
| A | 2606:4700:440b::6812:25c8 đēđ¸ Cloudflare | ||||||
| A | 104.18.37.200 Cloudflare | ||||||
| A | 172.64.150.56đēđ¸ Cloudflare | ||||||
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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AI analysis
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 such as 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 is delegated to two name servers: ali.ns.cloudflare.com and lee.ns.cloudflare.com.
substack.com uses the same name server setup as other domains, including vzsp.ru, kafein.org, jkpcoin.com, randompress.net and mndr.be.
At least part of the name servers for substack.com are shared with other domains, for instance fourscale.com, austinmoms.com, communionmusic.co.uk, articlequery.com and hillromdifference.com.
These name servers are commonly used together with the name servers matteo.ns.cloudflare.com, woz.ns.cloudflare.com, dan.ns.cloudflare.com, abby.ns.cloudflare.com, ned.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 handled by two mail servers: mxa.mailgun.org and mxb.mailgun.org.
substack.com uses the same mail server setup as other domains, for instance mason-rose.ca, post.leadhit.ru, z.teachablemail.com, buycoins.ca and philadelphiavotes.com.
substack.com shares at least some mail servers with other domains, for example lokobuzz.com, myoneoffer.com, ihtspirit.com, sitetor.com and ketengo.com.
these mail servers are often used together with the 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.
Host names sharing a single IP: mxa.mailgun.org and mxb.mailgun.org point to 34.160.13.42.